TS128M~4GMMC4
MMCplus
Description
Features
TS128MMC4 ~ TS4GMMC4 is a 128MB ~ 4GB
•
Storage Capacity: 128MB ~ 4GB
MMCplus memory card. It’s a fastest, low-power,
•
Operating Voltage: 2.7~3.6V
highly integration memory card. It is designed to
•
Support clock frequencies: 0~52MHz
provide an inexpensive, mechanically robust storage
•
Support different Bus width: x1, x4, x8
medium in card form for multimedia consumer
•
Operating Temperature: -25°C ~ 85°C
applications and mobile devices (handheld PCs,
•
Data access mode: Byte mode
digital cameras, MP3 players, etc.) to store, copy,
•
Fully compatible with MultiMediaCard system
and move data at high-speed transfer rate.
specification version 4.0 and backwards compatibility
Placement
with previous specification
•
Front
Form Factor: 32mm x 24mm x 1.4mm
Back
Pin Definition
MMC Mode
SPI Mode
Pin No.
1
2
3
4
5
6
7
Name
DAT3
CMD
VSS1
VDD
CLK
VSS2
DAT0
Type
I/O/PP
I/O/PP/OD
S
S
I
S
I/O/PP
Description
Data
Command/Response
Ground
Power supply
Clock
Ground
Data
Name
CS
DI
VSS
VDD
SCLK
VSS2
DO
8
9
10
11
12
13
DAT1
DAT2
DAT4
DAT5
DAT6
DAT7
I/O/PP
I/O/PP
I/O/PP
I/O/PP
I/O/PP
I/O/PP
Data
Data
Data
Data
Data
Data
Type
I
I/PP
S
S
I
S
O/PP
Description
Chip select
Data in
Ground
Power supply
Clock
Ground
Data out
Not used
Not used
Not used
Not used
Not used
Not used
S: Power Supply; I:Input; O:Output; PP:Push-Pull; OD:Open-Drain; NC:Not Connected
Transcend Information Inc.
1