AT89C531 Starter Kit Hardware Doc4245
22
AT89C5131A Starter Kit ............................................................................................. Hardware User Guide
Transcript of AT89C531 Starter Kit Hardware Doc4245
AT89C5131A Starter Kit ..............................................................................................
Hardware User Guide
Table of Contents
1 AT89C5131A Starter Kit Hardware User User Guide
4245A–USB–11/04
Section 1Introduction ........................................................................................... 1-1
1.1 Features....................................................................................................1-1
Section 2Hardware Description ........................................................................... 2-3
2.1 Block Diagram...........................................................................................2-32.2 Power Supply............................................................................................2-42.3 C51 Standard Settings..............................................................................2-52.4 Feature Description...................................................................................2-62.5 External Connectors .................................................................................2-8
Section 3Device Programming ............................................................................ 3-9
3.1 In-System Programming ...........................................................................3-93.2 Using a Programmer.................................................................................3-9
Section 4Appendix............................................................................................. 4-11
4.1 Electrical Schematics..............................................................................4-124.2 Component Placement ...........................................................................4-164.3 Mechanical Outlines................................................................................4-174.4 Bill of Materials........................................................................................4-17
Section 1
Introduction
This document describes the AT89C5131A Starter Kit Evaluation Board dedicated tothe AT89C5131A USB microcontroller. This board is designed to allow an easy evalua-tion of the product using demonstration software (refer to Software Guide).
1.1 Features The AT89C5131A evaluation board provides the following features:
Possibility to choose between two packages for the AT89C5131A
– PLCC 52-pin package
– VQFP 64-pin package
On-board power supply circuitry
– from an external power connector
– from an external battery
– from the USB line via the USB on-board connector
On-board reset, INT0, LEDs, EA, ISP and programming interface
Power, ALE, RS232 Rx and Tx LEDs
External system clock connector
PCA clock connector
USB, TWI, SPI and RS232 hardware connectors
Two Connectors available for extended board
AT89C5131A Starter Kit Hardware User Guide 1-1
Rev. 4245A–USB–11/04
Introduction
Figure 1-1. AT89C5131A Evaluation Board
1-2 AT89C5131A Starter Kit Hardware User Guide
4245A–USB–11/04
Hardware Description
Section 2
Hardware Description
2.1 Block Diagram
Figure 2-1. AT89C5131A Evaluation Board Components
AT89C5131A
PowerSupply
USB TWI
SPI
RS232
LEDC51 Generic Board Interface
ResetISPEA
INT0
Device
Device
Host,Device...
HumanC51 Generic Board
Programming
Specific Device
Interface
AT89C5131A Starter Kit Hardware User Guide 2-3
4245A–USB–11/04
Hardware Description
2.2 Power Supply The on-board power supply circuitry allows various power supply configurations.
The power source can be:
– VBUS from USB (5V)
– VBUS from USB (5V) through the current limiter
– External power supply (from 6 to 12V) or 9V battery
The voltage output can be the direct power source, regulated at 5V or 3.3V.
The power supply selection is performed using the JP2, JP3, JP4 and JP5 jumpers.
The power supply can be turned on/off using the “power” switch (SW6). Once the poweris established, the power LED (D9) is lit.
Figure 2-2. Different Power Configurations
LIM
REG
VB
US
5V
3.3V
ICC
PWR.S.
PWR
VCC
LIM
REG
VB
US
5V
3.3V
ICC
PWR.S.
PWR
VCC
LIM
REG
VB
US
5V
3.3V
ICC
PWR.S.
PWR
VCC
LIM
REG
VB
US
5V
3.3V
ICC
PWR.S.
PWR
VCC
LIM
REG
VB
US
5V
3.3V
ICC
PWR.S.
PWR
VCC
LIM
REG
VB
US
5V
3.3V
ICC
PWR.S.
PWR
VCC
LIM
REG
VB
US
5V
3.3V
ICC
PWR.S.
PWR
VCC
LIM
REG
VB
US
5V
3.3V
ICC
PWR.S.
PWR
VCC
LIM
REG
VB
US
5V
3.3V
ICC
PWR.S.
PWR
VCC
VBUS VBUS andCurrent Limiter
External
Direct Input
5V Regulate
3.3V Regulate
PowerSource
Regulation
2-4 AT89C5131A Starter Kit Hardware User Guide
4245A–USB–11/04
Hardware Description
2.3 C51 Standard Settings
2.3.1 Reset The external Reset push-button (SW3) is provided to easily generate a warm reset. Thisbutton is used for ISP process. The Reset applied is active low.
2.3.2 Clock A crystal can be easily installed on the Y1 socket. The clock can also be provided usingthe J8 connector instead of the crystal.
Note: Remove the clock generators before the using the programmer.
2.3.3 EA Place a jumper on the EA connector (J10) to force the EA pin to ground and executeexternal code. Otherwise internal code will be executed.
Figure 2-3. EA Circuitry
2.3.4 INT0 In order to use the on-board INT0 circuitry, connect the J7 Jumper to the AT89C5131A.
When you press the INT0 button (SW5), the P3.2 pin will go low which induces an inter-rupt event.Note: Remove the J7 jumper before using the programmer. Otherwise the program-
mer will not function.
Figure 2-4. INT0 Circuitry
AT89C5131A Starter Kit Hardware User Guide 2-5
4245A–USB–11/04
Hardware Description
2.4 Feature Description
2.4.1 RS232 The AT89C5131A evaluation board includes all the required hardware to manage theRS232 communication.
Figure 2-5. RS232 On-board Circuitry
2.4.2 USB Peripheral The AT89C5131A evaluation board provides all the required hardware to develop aUSB firmware for the AT89C5131A, this includes:
– a USB connector
– 2 test points on D+ and D-
– 1 test point on VBUS
– a USB UNLOAD button which allows to disconnect the pull-up on D+ and thento simulate an Attach/Detach of the USB cable
The USB peripheral can also be used to perform an In-System Programming.
2-6 AT89C5131A Starter Kit Hardware User Guide
4245A–USB–11/04
Hardware Description
2.4.3 TWI Peripheral The CT3 and CT5 contacts have to be soldered in order to use the SDA and SCL alter-nate P4.1 and P4.0 port configuration on the SPI connector (J4).
In order to use these signals on the J5 extension connector (SDA and SCL), the CT4and CT6 contacts have to also be soldered.
2.4.4 SPI Peripheral
2.4.5 LED Controller The AT89C5131A controller includes an LED controller on:
– P3.3 (LED 0)
– P3.5 (LED 1)
– P3.6 (LED 2)
– P3.7 (LED 3)
The on board LEDs can be controlled with the AT89C5131A if the corresponding con-tacts CT9, CT10, CT11 and CT12 are bypassed.
Figure 2-6. On-board LEDs for LED Controller
0
1
LED3
2
CT9
CT10
CT11
CT12
LED 0
LED 1
LED 2
LED 3
AT89C5131A Starter Kit Hardware User Guide 2-7
4245A–USB–11/04
Hardware Description
2.5 External Connectors
These two external connectors to build a customer extended board easily.
Figure 2-7. Top View of J5 and J6 Connectors
P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7P3.0P3.1P3.2P3.3P3.4P3.5
P3.6 - WRP3.7 - RD
NCNCNCNCNCNCNCNC
VCCVSSSDASCLNCRESETEABP1A16NCVSSXTAL2VSSNCNCNCNCNCNCNCNCBUZZERVSSVSS
4745434139373533312927252321191715131197531
48464442403836343230282624222018161412108642
4.35 12V4.35 12V
VSSNCNCNCNCNCNCNCNC
PSENVSSALE
P1.0 - KBD 0P1.1 - KBD 1P1.2 - KBD 2P1.3 - KBD 3P1.4 - KBD 4P1.5 - KBD 5P1.6 - KBD 6P1.7 - KBD 7
VSSVSS
P0.0P0.1P0.2P0.3P0.4P0.5P0.6P0.7P2.0P2.1P2.2P2.3P2.4P2.5P2.6P2.7P4.0P4.1NCNCNCNCNCNC
4745434139373533312927252321191715131197531
48464442403836343230282624222018161412108642
J5 J6
2-8 AT89C5131A Starter Kit Hardware User Guide
4245A–USB–11/04
Section 3
Device Programming
3.1 In-System Programming
The user memory of the AT89C5131A part can be programmed using the ISP mode ofthe device. In order to enter in ISP mode, first select the high pin count mode (PSEN) orthe low pin count mode (P1.0) using the ISP switch (SW2).
To enter in ISP mode, press both the RESET (SW3) and ISP (SW4) buttons simulta-neously. First release the RESET button and then the ISP button. The device enters inISP mode.
ISP can then be performed using the USB bus (or with the peripheral correspondingwith the bootloader version). The user may need to re-enumerate the USB bus using theUSB UNLOAD button (SW1) if the USB cable is already connected.
3.2 Using a Programmer
The AT89C5131A microcontroller can also be programmed using a programmer withthe J3 connector. Connect all required signals between the programmer and the J3 con-nector and remove the J7 jumper to disconnect the EA circuitry. No clock should beenabled on the board, except the clock coming from the J3 connector.
Figure 3-1. J3 Connector Schematic
1 VCC2 VSS3 XTAL14 VSS5 NC6 RST7 P3.2 (Test0)8 VSS9 P3.4 (Test1)10 VSS
J3
AT89C5131A Starter Kit Hardware User Guide 3-9
Rev. 4245A–USB–11/04
Section 4
Appendix
AT89C5131A Starter Kit Hardware User Guide 4-11
Rev. 4245A–USB–11/04
Appendix
4.1 Electrical Schematics5 5
4 4
3 3
2 2
1 1
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27
Electrical Schematics5 5
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2 2
1 1
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CC
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27
4-12 AT89C5131A Starter Kit Hardware User Guide
4245A–USB–11/04
Appendix
5 5
4 4
3 3
2 2
1 1
DD
CC
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3_3
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AT89C5131A Starter Kit Hardware User Guide 4-13
4245A–USB–11/04
Appendix
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
VSS
P0_1
P0_2
P0_3
P0_4
P0_5
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P0_2
P0_3
P0_4
P0_5
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P2_2
P2_3
P2_4
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P3_5
P3_4
P3_3
P3_2
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D-
AV
DD
PLLF
AV
SS
P4_0
P4_1
P1_7
P1_6
P1_5
P1_4
P1_3
P1_2
P1_1
P1_0
_R
ST
P3_0
P3_1
VssV
cc
XT
AL1
_R
ST
XT
AL2_G
_R
ST
_G
Title
Siz
eD
ocum
ent N
um
ber
Rev
Date
:S
heet
of
11.0
.2
AT
89C
5131 E
vab_2.0
.0-
CP
U
A
34
Thurs
day, M
ay 1
3, 2004
Title
Siz
eD
ocum
ent N
um
ber
Rev
Date
:S
heet
of
11.0
.2
AT
89C
5131 E
vab_2.0
.0-
CP
U
A
34
Thurs
day, M
ay 1
3, 2004
Title
Siz
eD
ocum
ent N
um
ber
Rev
Date
:S
heet
of
11.0
.2
AT
89C
5131 E
vab_2.0
.0-
CP
U
A
34
Thurs
day, M
ay 1
3, 2004
Not Mounted for v2.0.0
Closed for v2.0.0
Closed for v2.0.0
C14
10 n
F
C14
10 n
F
MR
1
VC
C2
GND3
PF
I4
PF
O5
RS
T7
RS
T8
U2
MA
X708S
CS
AU
2M
AX
708S
CS
A
12
CT
13
CO
NT
AC
TC
T13
CO
NT
AC
T
R13
1 K
R13
1 K
12
CT
8C
ON
TA
CT
CT
8C
ON
TA
CT
D7
LE
D R
ED
ALE
D7
LE
D R
ED
ALE
12
CT
11C
ON
TA
CT
CT
11C
ON
TA
CT
P2.0/A8/D856
P2.1/A9/D957
P2.2/A10/D1058
P1.5/CEX2/KIN5/MISO59
P1.6/CEX3/KIN6/SCK60
P1.7/CEX4/KIN7/MOSI61
P4.0/SCL62
P4.1/SDA63
P2.3
/A11/D
11
2
P2.4
/A12/D
12
3
P2.5
/A13/D
13
4
XT
AL2
5
XT
AL1
6
P2.6
/A14/D
14
7
P2.7
/A15/D
15
8
VD
D9
AV
DD
10
UC
AP
11
AV
SS
12
P3.0
/RxD
14
PLLF19
D-20
D+21
VREF22
UVSS23
EA24
ALE25
PSEN26
P3.1/TxD27
P3.2/INT028
P3.3/INT1/LED029
P3.4/T030
P3.5/T1/LED131
nc11
34
P3.6
/WR
/LE
D2
35
P0.7
/AD
7/D
736
P0.6
/AD
6/D
637
P0.5
/AD
5/D
538
P3.7
/RD
/LE
D3
39
P0.4
/AD
4/D
440
VS
S42
P0.3
/AD
3/D
343
RS
T44
P0.2
/AD
2/D
245
P0.1
/AD
1/D
146
nc13
47
P0.0/AD0/D055
P1.4/CEX1/KIN454
P1.3/CEX0/KIN353
P1.2/ECI/KIN252
P1.1/T2EX/KIN1/SS51
P1.0/T2/KIN050
nc1664
nc1
1
nc1549
nc14
48
nc12
41
nc10
33
nc932
nc718
nc617
nc5
16
nc4
15
nc3
13
U5
AT
89C
5131A
-M_64
U5
AT
89C
5131A
-M_64
C11
22 p
F
C11
22 p
F
C8
0.1
µF
C8
0.1
µF
C22
1µ
F
C22
1µ
F
1
2
J8
SY
S C
LK
J8
SY
S C
LK
Y1
CR
YS
TA
L
Y1
CR
YS
TA
L
12
J7
INT
0
J7
INT
012
CT
14
CO
NT
AC
TC
T14
CO
NT
AC
T
C21
1 µ
F
C21
1 µ
F
C9
100 n
F
C9
100 n
F
12
CT
9C
ON
TA
CT
CT
9C
ON
TA
CT
C12
22 p
F
C12
22 p
F
R9
4.7
K
R9
4.7
K
12
J10
EA
J10
EA
D3
LE
D P
WR
GR
EE
NLE
D0
D3
LE
D P
WR
GR
EE
NLE
D0
SW
3R
ES
ET
SW
3R
ES
ET
SW
5
INT
0
SW
5
INT
0
R12
10 KR
12
10 K
D6
LE
D P
WR
GR
EE
NLE
D3
D6
LE
D P
WR
GR
EE
NLE
D3
C10
10 n
F
C10
10 n
F
12
CT
10C
ON
TA
CT
CT
10C
ON
TA
CT
C13
100 n
F
C13
100 n
F
P2.0
/A8/D
81
P2.1
/A9/D
92
P2.2
/A10/D
10
3
P1.5
/CE
X2/K
IN5/M
ISO
4P
1.6
/CE
X3/K
IN6/S
CK
5P
1.7
/CE
X4/K
IN7/M
OS
I6
P4.0
/SC
L7
P4.1
/SD
A8
P2.3
/A11/D
11
9
P2.4
/A12/D
12
10
P2.5
/A13/D
13
11
XT
AL2
12
XT
AL1
13
P2.6
/A14/D
14
14
P2.7
/A15/D
15
15
VDD16
AV
DD
17
UCAP18
AV
SS
19
P3.0
/RxD
20
PLLF
21
D-
22
D+
23
VR
EF
24
UVSS25
EA
26
ALE
27
PS
EN
28
P3.1
/TxD
29
P3.2
/IN
T0
30
P3.3
/IN
T1/L
ED
031
P3.4
/T0
32
P3.5
/T1/L
ED
133
nc334
P3.6
/WR
/LE
D2
35
P0.7
/AD
7/D
736
P0.6
/AD
6/D
637
P0.5
/AD
5/D
538
P3.7
/RD
/LE
D3
39
P0.4
/AD
4/D
440
VSS41
P0.3
/AD
3/D
342
RS
T43
P0.2
/AD
2/D
244
P0.1
/AD
1/D
145
nc446
P0.0
/AD
0/D
052
P1.4
/CE
X1/K
IN4
51
P1.3
/CE
X0/K
IN3
50
P1.2
/EC
I/K
IN2
49
P1.1
/T2E
X/K
IN1/S
S48
P1.0
/T2/K
IN0
47
U3
AT
89C
5131_52
U3
AT
89C
5131_52
R10
2.2
KR
10
2.2
K
SW
2IS
P S
witch
SW
2IS
P S
witch
D5
LE
D P
WR
GR
EE
NLE
D2
D5
LE
D P
WR
GR
EE
NLE
D2
1
2
J9
PC
A C
LK
J9
PC
A C
LK
D4
LE
D P
WR
GR
EE
NLE
D1
D4
LE
D P
WR
GR
EE
NLE
D1
R11
10 K
R11
10 K
SW
4
ISP
SW
4
ISP
4-16 AT89C5131A Starter Kit Hardware User Guide
4245A–USB–11/04
Appendix
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
VSS
P0
_1
P0
_2
P0
_3
P0
_4
P0
_5
P0
_6
P0
_7
P2
_0
P2
_1
P2
_2
P2
_3
P2
_4
P2
_5
P2
_7
P2
_6
AL
E_
EA
_P
SE
NP
3_
7P
3_
6P
3_
5P
3_
4P
3_
3P
3_
2
AV
DD
PL
LF
AV
SS
P4
_0
P4
_1
P1
_7
P1
_5
P1
_4
P1
_3
P1
_1
P1
_0
_R
ST
XT
AL
1X
TA
L2
P3
_0
P3
_1
VD
D
P0
_0
VR
EF
D+
D-
_E
A
P1
_2
P1
_6
P2
_7
P2_1
P1_4
P2
_6
_EA
P1_3P1_2
ALE
P2
_4
P1_1
P3
_0
P4_0
P3_5
P4_1
P1_6P1_5
XT
AL
1
P2
_3
P1_7
P3_3
VD
D
P2_0
D-
AV
SS
P2
_5
P2_2
P3_2
VREF
P0_0 _PSEN
P3_4
D+
PLLF
AV
DD
P1_0
XT
AL
2
XT
AL
2
EC
IP
1_
2X
TA
L1
AL
E_
L
LE
D0
P3
_3
LE
D1
P3
_5
LE
D2
P3
_6
LE
D3
P3
_7
Vss
_R
ST
_S
W
Vcc
Vss
XT
AL
1
P3
_2
Vss
P3_1
_P
SE
N
P1
_0
XT
AL
2_
GX
TA
L2
_R
ST
_G
_R
ST
AL
E_
LA
LE
UC
AP
UC
AP
UCAP
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
P0
_0
P0
_1
P0
_2
P0
_3
P0
_4
P0
_5
P0
_6
P0
_7
P2
_0
P2
_1
P2
_2
P2
_3
P2
_4
P2
_5
P2
_6
P2
_7
AL
E_
EA
_P
SE
NP
3_
7P
3_
6P
3_
5P
3_
4P
3_
3P
3_
2
VR
EF
D+
D-
AV
DD
PL
LF
AV
SS
P4
_0
P4
_1
P1
_7
P1
_6
P1
_5
P1
_4
P1
_3
P1
_2
P1
_1
P1
_0
_R
ST
P3
_0
P3
_1
VssV
cc
XT
AL
1
_R
ST
XT
AL
2_
G_
RS
T_
G
Title
Siz
eD
ocu
me
nt
Nu
mb
er
Re
v
Da
te:
Sh
ee
to
f
11
.0.2
AT
89
C5
13
1 E
va
b_
2.0
.0-
CP
U
A
34
Th
urs
da
y,
Ma
y 1
3,
20
04
Title
Siz
eD
ocu
me
nt
Nu
mb
er
Re
v
Da
te:
Sh
ee
to
f
11
.0.2
AT
89
C5
13
1 E
va
b_
2.0
.0-
CP
U
A
34
Th
urs
da
y,
Ma
y 1
3,
20
04
Title
Siz
eD
ocu
me
nt
Nu
mb
er
Re
v
Da
te:
Sh
ee
to
f
11
.0.2
AT
89
C5
13
1 E
va
b_
2.0
.0-
CP
U
A
34
Th
urs
da
y,
Ma
y 1
3,
20
04
Not Mounted for v2.0.0
Closed for v2.0.0
Closed for v2.0.0
C1
4
10
nF
C1
4
10
nF
MR
1
VC
C2
GND3
PF
I4
PF
O5
RS
T7
RS
T8
U2
MA
X7
08
SC
SA
U2
MA
X7
08
SC
SA
12
CT
13
CO
NT
AC
TC
T1
3C
ON
TA
CT
R1
3
1 K
R1
3
1 K
12
CT
8C
ON
TA
CT
CT
8C
ON
TA
CT
D7
LE
D R
ED
AL
E
D7
LE
D R
ED
AL
E
12
CT
11C
ON
TA
CT
CT
11C
ON
TA
CT
P2.0/A8/D856
P2.1/A9/D957
P2.2/A10/D1058
P1.5/CEX2/KIN5/MISO59
P1.6/CEX3/KIN6/SCK60
P1.7/CEX4/KIN7/MOSI61
P4.0/SCL62
P4.1/SDA63
P2
.3/A
11
/D1
12
P2
.4/A
12
/D1
23
P2
.5/A
13
/D1
34
XT
AL
25
XT
AL
16
P2
.6/A
14
/D1
47
P2
.7/A
15
/D1
58
VD
D9
AV
DD
10
UC
AP
11
AV
SS
12
P3
.0/R
xD
14
PLLF19
D-20
D+21
VREF22
UVSS23
EA24
ALE25
PSEN26
P3.1/TxD27
P3.2/INT028
P3.3/INT1/LED029
P3.4/T030
P3.5/T1/LED131
nc1
13
4P
3.6
/WR
/LE
D2
35
P0
.7/A
D7
/D7
36
P0
.6/A
D6
/D6
37
P0
.5/A
D5
/D5
38
P3
.7/R
D/L
ED
33
9P
0.4
/AD
4/D
44
0
VS
S4
2P
0.3
/AD
3/D
34
3R
ST
44
P0
.2/A
D2
/D2
45
P0
.1/A
D1
/D1
46
nc1
34
7
P0.0/AD0/D055
P1.4/CEX1/KIN454
P1.3/CEX0/KIN353
P1.2/ECI/KIN252
P1.1/T2EX/KIN1/SS51
P1.0/T2/KIN050
nc1664
nc1
1
nc1549
nc1
44
8
nc1
24
1
nc1
03
3
nc932
nc718
nc617
nc5
16
nc4
15
nc3
13
U5
AT
89
C5
13
1A
-M_
64
U5
AT
89
C5
13
1A
-M_
64
C1
1
22
pF
C1
1
22
pF
C8
0.1
µF
C8
0.1
µF
C2
2
1µ
F
C2
2
1µ
F
1
2
J8
SY
S C
LK
J8
SY
S C
LK
Y1
CR
YS
TA
L
Y1
CR
YS
TA
L
12
J7
INT
0
J7
INT
012
CT
14
CO
NT
AC
TC
T1
4C
ON
TA
CT
C2
1
1 µ
F
C2
1
1 µ
F
C9
10
0 n
F
C9
10
0 n
F
12
CT
9C
ON
TA
CT
CT
9C
ON
TA
CT
C1
2
22
pF
C1
2
22
pF
R9
4.7
K
R9
4.7
K
12
J1
0
EA
J1
0
EA
D3
LE
D P
WR
GR
EE
NL
ED
0
D3
LE
D P
WR
GR
EE
NL
ED
0
SW
3R
ES
ET
SW
3R
ES
ET
SW
5
INT
0
SW
5
INT
0
R1
21
0 KR
12
10
KD
6
LE
D P
WR
GR
EE
NL
ED
3
D6
LE
D P
WR
GR
EE
NL
ED
3
C1
0
10
nF
C1
0
10
nF
12
CT
10C
ON
TA
CT
CT
10C
ON
TA
CT
C1
3
10
0 n
F
C1
3
10
0 n
F
P2
.0/A
8/D
81
P2
.1/A
9/D
92
P2
.2/A
10
/D1
03
P1
.5/C
EX
2/K
IN5
/MIS
O4
P1
.6/C
EX
3/K
IN6
/SC
K5
P1
.7/C
EX
4/K
IN7
/MO
SI
6
P4
.0/S
CL
7
P4
.1/S
DA
8
P2
.3/A
11
/D1
19
P2
.4/A
12
/D1
21
0
P2
.5/A
13
/D1
31
1
XT
AL
21
2X
TA
L1
13
P2
.6/A
14
/D1
41
4
P2
.7/A
15
/D1
51
5
VDD16
AV
DD
17
UCAP18
AV
SS
19
P3
.0/R
xD
20
PL
LF
21
D-
22
D+
23
VR
EF
24
UVSS25
EA
26
AL
E2
7
PS
EN
28
P3
.1/T
xD
29
P3
.2/I
NT
03
0P
3.3
/IN
T1
/LE
D0
31
P3
.4/T
03
2P
3.5
/T1
/LE
D1
33
nc334
P3
.6/W
R/L
ED
23
5
P0
.7/A
D7
/D7
36
P0
.6/A
D6
/D6
37
P0
.5/A
D5
/D5
38
P3
.7/R
D/L
ED
33
9
P0
.4/A
D4
/D4
40
VSS41
P0
.3/A
D3
/D3
42
RS
T4
3
P0
.2/A
D2
/D2
44
P0
.1/A
D1
/D1
45
nc446
P0
.0/A
D0
/D0
52
P1
.4/C
EX
1/K
IN4
51
P1
.3/C
EX
0/K
IN3
50
P1
.2/E
CI/
KIN
24
9
P1
.1/T
2E
X/K
IN1
/SS
48
P1
.0/T
2/K
IN0
47
U3
AT
89
C5
13
1_
52
U3
AT
89
C5
13
1_
52
R1
02
.2 K
R1
02
.2 K
SW
2IS
P S
witch
SW
2IS
P S
witch
D5
LE
D P
WR
GR
EE
NL
ED
2
D5
LE
D P
WR
GR
EE
NL
ED
2
1
2
J9
PC
A C
LK
J9
PC
A C
LK
D4
LE
D P
WR
GR
EE
NL
ED
1
D4
LE
D P
WR
GR
EE
NL
ED
1
R1
1
10
K
R1
1
10
K
SW
4
ISP
SW
4
ISP
AT89C5131A Starter Kit Hardware User Guide 4-17
4245A–USB–11/04
Appendix
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
limit
er_i
n
Po
we
r S
up
ply
2
PO
WE
R
RE
G_
IN
RE
G_
OU
TV
cc
GN
DG
ND
Vb
us
RE
G_
IN
Pow
er
Po
we
r S
up
ply
1
PO
WE
R
9V
Po
we
r S
upp
ly
limit
er_o
ut
over
_lim
iter
Po
we
r S
upp
ly
Po
we
r S
upp
ly
RE
G_
FB
Vb
us
RE
G_
OU
T
RE
G_
FB
Vcc
4.3
5_12
V
Vb
us
Titl
e
Siz
eD
ocu
me
nt
Nu
mb
er
Re
v
Da
te:
She
eto
f
11
.0.2
AT
89
C5
13
1 E
vab
_1
.0.2
- P
OW
ER
A
44
Fri
da
y, O
ctob
er 2
5, 2
002
TP
3
Vcc
TP
1
U9
LM10
84/T
O26
3
IN3
OU
T2
ADJ 1
JP3
Po
we
r S
ourc
e Ju
mpe
r
12
34
56
JP4
Reg
ulat
or J
umpe
r
11 22
3 3
R2
219
6-1
%
J12
Ch
arg
e
12
D9
LE
D R
EDP
ower
R1
91
K
C1
91
0 µ
FR
21
365-
1%
J11
CO
NN
EC
TO
R S
IP2
9V M
ale1 2
JP5
Vcc
Lev
el j
umpe
r
1 122
33
CT
12C
ON
TA
CT
12
J13
CO
NN
EC
TO
R J
AC
K P
WR
3 2 1
D8
MR
A4
00
7
12
TP
4
Vbu
s T
P
1
C1
81
0 µ
F T
AN
TA
L.
U6
TP
S2
041A
D
GND 1
IN1
2
IN2
3
EN
4O
C5
OU
T1
6O
UT
27
OU
T3
8
SW
6
Pow
er S
wit
chC
17
0.1
µF
TP
5
GN
D T
P1
1
R1
518
0
D1
01
N40
02 12
R1
4
10
K
C1
61
0 µ
F
C2
00
.1 µ
F
-+
U8
DF
00
5S
1
3
2
4
C1
50
.1 µ
F
TP
6
GN
D T
P2
1
JP2
Lim
iter
Jum
per
11 22
3 3
D1
1S
MB
J9.0
AR
20
121-
1%
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
limit
er_i
n
Po
we
r S
up
ply
2
PO
WE
R
RE
G_
IN
RE
G_
OU
TV
cc
GN
DG
ND
Vb
us
RE
G_
IN
Pow
er
Po
we
r S
up
ply
1
PO
WE
R
9V
Po
we
r S
upp
ly
limit
er_o
ut
over
_lim
iter
Po
we
r S
upp
ly
Po
we
r S
upp
ly
RE
G_
FB
Vb
us
RE
G_
OU
T
RE
G_
FB
Vcc
4.3
5_12
V
Vb
us
Titl
e
Siz
eD
ocu
me
nt
Nu
mb
er
Re
v
Da
te:
She
eto
f
11
.0.2
AT
89
C5
13
1 E
vab
_1
.0.2
- P
OW
ER
A
44
Fri
da
y, O
ctob
er 2
5, 2
002
TP
3
Vcc
TP
1
U9
LM10
84/T
O26
3
IN3
OU
T2
ADJ 1
JP3
Po
we
r S
ourc
e Ju
mpe
r
12
34
56
JP4
Reg
ulat
or J
umpe
r
11 22
3 3
R2
219
6-1
%
J12
Ch
arg
e
12
D9
LE
D R
EDP
ower
R1
91
K
C1
91
0 µ
FR
21
365-
1%
J11
CO
NN
EC
TO
R S
IP2
9V M
ale1 2
JP5
Vcc
Lev
el j
umpe
r
1 122
33
CT
12C
ON
TA
CT
12
J13
CO
NN
EC
TO
R J
AC
K P
WR
3 2 1
D8
MR
A4
00
7
12
TP
4
Vbu
s T
P
1
C1
81
0 µ
F T
AN
TA
L.
U6
TP
S2
041A
D
GND 1
IN1
2
IN2
3
EN
4O
C5
OU
T1
6O
UT
27
OU
T3
8
SW
6
Pow
er S
wit
chC
17
0.1
µF
TP
5
GN
D T
P1
1
R1
518
0
D1
01
N40
02 12
R1
4
10
K
C1
61
0 µ
F
C2
00
.1 µ
F
-+
U8
DF
00
5S
1
3
2
4
C1
50
.1 µ
F
TP
6
GN
D T
P2
1
JP2
Lim
iter
Jum
per
11 22
3 3
D1
1S
MB
J9.0
AR
20
121-
1%
4-18 AT89C5131A Starter Kit Hardware User Guide
4245A–USB–11/04
Appendix
4.2 Component Placement
Figure 4-1. AT89C5131A Evaluation Board Overview
Figure 4-2. AT89C5131A Evaluation Board Component Implementation
MIS
O
_SS
SC
KM
OS
I
SPI
VC
C
GN
D
SD
AS
CL
TWI
PC
A
RX TXRS232
CH
IP
CO
NN
GE
N
TWI
0
1
LED
D+ D-USB
BATT
BU
ZZ
SYSCLK
LPC TEST MODE
ISP
RS
T
INT
0
POWER
ON
OF
F
EA
ALE
PWR
VC
C
VBUS
GN
D
CRYSTAL
GND
USBUNLOAD
LIM
REG
VB
US
5V
3.3V
ICC
PWR.S.
PWR
1 23 45 67 8
9 10
12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 2830
3234
36
37 38
39
414345
47
A16
+-
AT89C5131A Evab 1.0.2
VCCIN
T129
31
33
35
11
GN
D
9V
3
2
VC
C
P1.
0
PS
EN
1
1
J2 J4
J11
P1J1 J13
J9
J8J3
J5 J6
CT1 CT2CT4
CT6
CT3
CT5 D1 D2
TP1 TP2
J12
CT7
CT9
CT10
CT11
CT12
D3
D4
D5
D6
JP2
JP3
JP4JP5
TP6
U3
U5
Y1
SW1
JP1
SW4
J7
SW5 SW3
J10
SW6
D7
D9CT13
TP4
TP3 TP5
1234
5678
9101112131415161718
1920
2122
2324
2526
2728
2930
31323334
3536
3738
39404142
43444546
4748
1234
5678
9101112131415161718
1920
2122
2324
2526
2728
2930
31323334
3536
3738
39404142
43444546
47481 2 3 4 5 1 2 3
1
23
1 2
3 4
1
2
3
1
2
3
1
1
12
3
5 6
SW2
6 4
AT89C5131A Starter Kit Hardware User Guide 4-19
4245A–USB–11/04
Appendix
4.3 Mechanical Outlines
Figure 4-3. AT89C5131A Evaluation Board Mechanical Outlines
4.4 Bill of Materials
6.35
mm
C51 Generic Board’s
Top view
TOP
BOTTOM
LEF
T
2.54 mm
93.98 mm (37*2.54 mm)
RIG
HT
5.08 mm
5.08
mm
75 m
m
99.06 mm
Right connectorC51 Generic Board’sLeft connector
2.54 mm
2.54
mm
7.00
mm
Table 4-1. Bill of Materials
Reference Part
C11, C12 22 pF
C2 2.2 nF
C1, C10, C14 10 nF
C9, C13 100 nF
C3, C4, C5, C6, C7, C8, C15, C17,
C20, C21
0.1 µF
C16, C19 10 µF
R4, R5 27
R3 100
R15 180
R1, R6, R13, R19 1K
R2 1.5K
R10 2.2K
R7, R8, R9 4.7K
R11, R12, R14 10K
4-20 AT89C5131A Starter Kit H
4245A–USB–11/04
ardware User Guide
Appendix
D2 LED GREEN
D1, D7, D9 LEDs RED
D3, D4, D5, D6 LEDs PWR GREEN
D8 MRA4007
D11 SMBJ9.0A
U1 MAX202ECSE
U8 DF005S
TP1, TP2, TP3, TP4, TP5, TP6
TEST POINTS
J7, J10, J12 JUMPER
J13 CONNECTOR JACK PWR
J8, J9 CONNECTORS BNC
P1 SUB-D9 FEMALE
J1 USB B
J6, J5 HEADER 24X2
J11 CONNECTOR SIP2
J4 CONNECTOR SIP4 RA
J2 CONNECTOR SIP6 RA
J3 CONNECTOR HE10
SW2, SW6 SW KEY-SPDT
U3 AT89C5131A_52
U5 AT89C5131A_VQFP64
CT1, CT2, CT3, CT4, CT5, CT6, CT7, CT8, CT9,
CT10, CT11, CT12, CT13,
CT14
CONTACT
C18 10 µF TANTAL
D10 1N4002
JP1 A16_Buzz Jumper
JP2 Limiter Jumper
JP3 Power Source Jumper
JP4 Regulator Jumper
JP5 VCC Level jumper
R20 121-1%
R21 365-1%
R22 196-1%
SW1 CONTACT BREAKER
Table 4-1. Bill of Materials (Continued)
Reference Part
AT89C5131A Starter Kit Hardware User Guide
4-214245A–USB–11/04
Appendix
SW3, SW4, SW5 PUSH-BUTTON
U2 MAX708SCSA
U6 TPS2041AD
U9 LM1084/TO263
Y1 CRYSTAL
Table 4-1. Bill of Materials (Continued)
Reference Part
AT89C5131A Starter Kit Hardware User Guide
4-224245A–USB–11/04
Printed on recycled paper.
Disclaimer: Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standardwarranty which is detailed in Atmel’s Terms and Conditions located on the Company’s web site. The Company assumes no responsibility for anyerrors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, anddoes not make any commitment to update the information contained herein. No licenses to patents or other intellectual property of Atmel aregranted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel’s products are not authorized for useas critical components in life support devices or systems.
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4245A–USB–11/04 /xM
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