Transcend TS128MMC4, TS1GMMC4, TS4GMMC4, TS512MMC4, TS2GMMC4 QQUICK INSTRUCTION GUIDE
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TS128M~4GMMC4 |
MMCplus |
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Description
TS128MMC4 ~ TS4GMMC4 is a 128MB ~ 4GB MMCplus memory card. It’s a fastest, low-power, highly integration memory card. It 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: 128MB ~ 4GB
Operating Voltage: 2.7~3.6V
Support clock frequencies: 0-20 MHz, 0-26 MHz, or 0-52 MHz
Support different Bus width: x1, x4, x8
Operating Temperature: -25°C ~ 85°C
Compatible with Multimedia Card system specification version 4.2
Form Factor: 32mm x 24mm x 1.4mm
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Front |
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Back |
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Pin Definition |
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Pin No. |
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MMC Mode |
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Name |
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Type |
Description |
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1 |
DAT3 |
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I/O/PP |
Data |
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2 |
CMD |
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I/O/PP/OD |
Command/Response |
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3 |
VSS1 |
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S |
Ground |
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4 |
VDD |
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S |
Power supply |
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5 |
CLK |
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I |
Clock |
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6 |
VSS2 |
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S |
Ground |
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7 |
DAT0 |
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I/O/PP |
Data |
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8 |
DAT1 |
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I/O/PP |
Data |
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9 |
DAT2 |
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I/O/PP |
Data |
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10 |
DAT4 |
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I/O/PP |
Data |
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11 |
DAT5 |
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I/O/PP |
Data |
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12 |
DAT6 |
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I/O/PP |
Data |
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13 |
DAT7 |
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I/O/PP |
Data |
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S: Power Supply; I:Input; O:Output; PP:Push-Pull; OD:Open-Drain; NC:Not Connected |
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Transcend Information Inc. |
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1 |
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TS128M~4GMMC4 |
MMCplus |
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Multimedia Card Architecture |
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Transcend Information Inc. |
2 |
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TS128M~4GMMC4 |
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MMCplus |
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Electrical DC Characteristics |
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•General bus operating conditions |
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Parameter |
Symbol |
Min |
Max |
Unit |
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Peak voltage on all lines |
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-0.5 |
3.6 |
V |
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All Inputs |
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Input Leakage Current (before initialization sequence |
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-100 |
100 |
uA |
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and/or the internal pull up resistors connected) |
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Input Leakage Current (after initialization sequence and |
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-10 |
10 |
uA |
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the internal pull up resistors disconnected) |
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All Outputs |
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Output Leakage Current (before initialization sequence) |
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-100 |
100 |
uA |
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Output Leakage Current (after initialization sequence) |
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-10 |
10 |
uA |
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•MMC high-voltage power supply voltage |
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Parameter |
Symbol |
Min |
Max |
Unit |
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Supply voltage |
VDD |
2.7 |
3.6 |
V |
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Supply voltage differentials (VSS1, VSS2) |
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-0.5 |
0.5 |
V |
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• Bus Signal Line Load
The total capacitance CL of each line of the MultiMedia Card bus is the sum of the bus master capacitance CHOST, the bus capacitance CBUS itself and the capacitance CCARD of the card connected to this line:
CL = CHOST + CBUS + CCARD
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Parameter |
Symbol |
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Min |
Max |
Unit |
Remark |
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Pull-up resistance for CMD |
RCMD |
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4.7 |
100 |
KOhm |
to prevent bus floating |
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Pull-up resistance for DAT0-7 |
RDAT |
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50 |
100 |
KOhm |
to prevent bus floating |
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Internal pull up resistance DAT1-DAT7 |
Rint |
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50 |
150 |
kOhm |
to prevent unconnected |
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lines floating |
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Bus signal line capacitance |
CL |
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30 |
pF |
Single card |
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Single card capacitance |
CCARD |
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7 |
pF |
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Maximum signal line inductance |
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16 |
nH |
fPP <= 52 MHz |
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Transcend Information Inc. |
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3 |
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