LG KF700Q Service Manual page 66

3.11.11 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
3.11.12 Power Domain
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
MICROSD_CMD
MICROSD_DATA(0)
MICROSD_CLK
F25
SDCC_DAT1_GPIO99
M25
SDCC_DAT2_GPIO100
M26
SDCC_DAT3_GPIO101
AE3
MDP_VSYNC_SECONDA_GPIO104
- 67 -
H14
MMC_CMD_GPIO30
L14
MMC_DATA_SDCC_DAT0_GPIO32
M16
MMC_CLK_SDCC_CLK_GPIO31
MICROSD_DATA(1)
MICROSD_DATA(2)
MICROSD_DATA(3)
LGE Internal Use Only