MMC4.0 MultiMediaCard Plus
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Transcript of MMC4.0 MultiMediaCard Plus
• What’s MMCplus / MMCmobile?– The newest MMC card 4.0 spec, announced by MMCA on 2004.Feb
– Main features:• Highest transfer speed available
• Support Dual-Voltage
• Backwards compatible
– MMCplus, • The same size as MMC
• Focus on digital products
– MMCmobile • The same size as RS-MMC
• Focus on mobile phone
MMC4.0 Introduction
What is Dual-Voltage?
• Traditional flash memory cards only work under signal voltage, for example MMC 3.1 only support 3.3V.
• Dual Voltage: Operation Voltage is either 3.3V or 1.8V
• MMCmobile can work under either 1.8V or 3.3V voltage depends on the host, it can be use on .– All devices with MMC/RS-MMC slot. – Nokia 6630/6680/6681 mobile phones (1.8V voltage ).– Next generation digital products.
MMCplus / MMCmobile SpecificationMMCplus MMCmobile
Photo
Dimension 24x32x1.4mm 24x18x1.4mm
Pins 13 Pins 13 Pins
Storage Temperature -40°C to 85°C -40°C to 85°C
Transfer Bandwidth x1, x4 and x8 bits x1, x4 and x8 bits
Durability 10,000 insertion/removal cycles 10,000 insertion/removal cycles
Operating Voltage 3.3 V 1.8V / 3.3 (Dual)
Weight 1.5g 1.0g
RS-MMC VS. MMCmobile
RS-MMC MMCmobile
Size 24x18x1.4mm 24x18x1.4mm
Pins 7 Pin 13Pins
Data Bit X1 x1,x4,x8
Working voltage 3.3V 1.8V / 3.3V
Photo
MMCplus / MMCmobile Feature
Spec High-Speed Dual-Voltage
MMC 3.x
MMCplus 4.0 V
RS-MMC 3.x
MMCmobile 4.0 V V
MMCplus / MMCmobile Usage Today
•Mobile PhoneOKWAP 、 Siemens 、 Nokia 、 Innostream 、 Samsung 、MiTAC 、 Motorola 、 Sharp 、 Benq 、 HP PDA phone 、Dopod PDA phone 、 Eten PDA Phone 、 PalmOne PDA phone 、 Asus
•PDA
•Digital Camera
Mio PDA 、 Acer PDA
Benq 、 Casio 、 Canon 、 Kodak 、 KonicaMinolta
• Announced ready on MMCplus / MMCmobile– Transcend
– Kingston
– Apacer
– ATP
– Kingmax
– ATP
– Pretect
– RiData
Market
Test EnvironmentCPU Intel P4 2.4G
Memory Transcend DDR400 256*2MB
Main board MSI 845GE Max
OS Windows 2000 SP4
Card Reader GL819 Controller
Test Program FD Bench 1.0
Test Process Test flash card 2MB, 10MB, 20MB file size transfer rate , each for 5 times then average the performance.
***Note:Different test environment will make different performance***
MMC/RS-MMC/MMCplus/MMCmobile Speed Comparison
more little money makes great value
MMCplus / MMCmobile
MMC/ RS-MMC
MMCplus/MMCmobile Application
• Backward compatible to legacy host.
• Support Nokia 6630/6680/6681 (Tested with Taiwan Nokia on 2005.4) N70 / N90 1.8V mobile phone.
6630 6680 6681 N70 N90