T
T
T
S
S
S
6
6
6
4
4
4
M
M
M
~
~
~
1
1
1
G
G
G
R
R
R
M
M
M
M
M
M
C
C
C
4
4
4
MMCmobile
Transcend Information Inc.
1
Description
TS64MRMMC4 ~ TS1GRMMC4 is a 64MB ~ 1GB
MMCmobile memory card. It’s a fastest, low-power,
highly integration memory card. TS64MRMMC4 ~
TS1GRMMC4 is designed to provide an inexpensive,
mechanically robust storage medium in card form for
multimedia consumer applications and mobile
devices (handheld PCs, digital cameras, MP3
players, etc.) to store, copy, and move data at
high-speed transfer rate.
Placement
Features
•
Storage Capacity: 64MB ~ 1GB
•
Support Dual Operating Voltage: 2.7~3.6V/1.65~1.95V
•
Support clock frequencies: 0~52MHz
•
Support different Bus width: x1, x4, x8
•
Operating Temperature: -25°C ~ 85°C
•
Data access mode: Byte mode
•
Fully compatible with MultiMediaCard system
specification version 4.0 and backwards compatibility
with previous specification
•
Form Factor: 18mm x 24mm x 1.4mm
Front Back
Pin Definition
MMC Mode
SPI Mode
Pin No.
Name
Type
Description
Name
Type
Description
1 DAT3 I/O/PP
Data
CS
I
Chip
select
2 CMD
I/O/PP/OD
Command/Response
DI
I/PP
Data
in
3 VSS1
S
Ground
VSS
S
Ground
4
VDD
S
Power supply
VDD
S
Power supply
5
CLK
I Clock
SCLK
I Clock
6
VSS2 S
Ground VSS2 S
Ground
7 DAT0 I/O/PP
Data
DO O/PP
Data
out
8 DAT1 I/O/PP
Data
Not
used
9 DAT2 I/O/PP
Data
Not
used
10 DAT4 I/O/PP
Data
Not
used
11 DAT5 I/O/PP
Data
Not
used
12 DAT6 I/O/PP
Data
Not
used
13 DAT7 I/O/PP
Data
Not used
S: Power Supply; I:Input; O:Output; PP:Push-Pull; OD:Open-Drain; NC:Not Connected
