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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.10.10 MMC interface
The MSM6280 has a 4-bit SD interface as shown below. It supports 4-bits of data and a command
signal.
• Supports 4-bit SD, 1-bit SD, and 1-bit MMC interface
• SW configurable edge latching (falling or rising)
• SW configurable data and command values change (rising or falling edge)
• Clock gating for power saving (and a power-saving option to always turn the clock off when bus is
idle)
• Flow control option to prevent overflow and underflow
• MCLK output up to 25 MHz
T-FLASH
VREG_MICROSD_3.0V
VA304
EVLC18S02003
VA303
EVLC18S02003
100K
R317
470K
R320
CMD_DI
DAT0_DO
DAT1_RSV
DAT2_RSV
GND
GND
VDD
VSS
S300
SCHA1A0102
CD_DAT3_CS
CLK_SCLK
VA305
ICVS0514X350FR
C350
0.1u
ICVS0514X350FR
VA306
100K
R318
MMC_CMD
MMC_DATA
MMC_CD
MMC_CLK
Z3X-BOX.COM
Summary of Contents for KF390
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