Transcend Information TS1GRMMC4 manual MMCmobile, Description Features, Placement, Pin Definition

TS64M~1GRMMC4	MMCmobile
Description	Features
TS64MRMMC4 ~ TS1GRMMC4 is a 64MB ~ 1GB	• Storage Capacity: 64MB ~ 1GB
MMCmobile memory card. It’s a fastest, low-power,	• Support Dual Operating Voltage: 2.7~3.6V/1.65~1.95V
highly integration memory card. TS64MRMMC4 ~	• Support clock frequencies: 0~52MHz
TS1GRMMC4 is designed to provide an inexpensive,	• Support different Bus width: x1, x4, x8
mechanically robust storage medium in card form for	• Operating Temperature: -25°C ~ 85°C
multimedia consumer applications and mobile	• Data access mode: Byte mode
devices (handheld PCs, digital cameras, MP3	• Fully compatible with MultiMediaCard system
players, etc.) to store, copy, and move data at	specification version 4.0 and backwards compatibility
high-speed transfer rate.	with previous specification
	• Form Factor: 18mm x 24mm x 1.4mm
Placement

FrontBack

Pin Definition

		MMC Mode
Pin No.	Name	Type	Description
1	DAT3	I/O/PP	Data
2	CMD	I/O/PP/OD	Command/Response
3	VSS1	S	Ground
4	VDD	S	Power supply
5	CLK	I	Clock
6	VSS2	S	Ground
7	DAT0	I/O/PP	Data

8	DAT1	I/O/PP	Data
9	DAT2	I/O/PP	Data
10	DAT4	I/O/PP	Data
11	DAT5	I/O/PP	Data
12	DAT6	I/O/PP	Data
13	DAT7	I/O/PP	Data

Name

CS

DI

VSS

VDD

SCLK

VSS2

DO

Not used Not used Not used Not used Not used Not used

SPI Mode

Type	Description
I	Chip select
I/PP	Data in
S	Ground
S	Power supply
I	Clock
S	Ground
O/PP	Data out

S: Power Supply; I:Input; O:Output; PP:Push-Pull; OD:Open-Drain; NC:Not Connected

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