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
- 64 -
3. TECHNICAL BRIEF
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Route together
D
D
Route together
+VPWR
HSD1-
2
HSD2+
HSD2-
6
SEL
10
9
VCC
8
_OE
FSUSB30UMX
U404
D+
3
D-
5
GND
4
1
HSD1+
7
0.01u
C447
R420
DNI
R423
0
R425
0
VREG_MSMP_2.7V
EAR_SENSE_N
USB+_RINT
USB-_RADC
RMT_INT
RMT_ADC
USB_D+
USB_D-
4.7u
C426
USB_VBUS
USB_D_M
20
GP1_DRV_N(MPP7)
21
12
USB_OE_N
13
VSW_5V
14
USB_CTL_N
15
USB_VBUS
16
USB_DAT
17
USB_D_P
18
19
USB_SE0
11
USB_ID
VREG_5V
47K
R412
USB_OE_N
USB_CNT_N
USB_DAT
USB_D+
USB_SE0
USB_D-
Summary of Contents for KF700
Page 1: ...Service Manual Model KF700 Service Manual KF700 Date May 2008 Issue 1 1 Internal Use Only ...
Page 193: ...Note ...
Page 194: ...Note ...