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74
VDD-IR
75
GND
76
GND
77
GND
78
HF-SPK+
79
HF-SPK-
80
GND
7.1.3
Main Board to SD/SIM Board Connector (J403 on main board)
The main board to SD/SIM board connector is a 25-pin inner signal exchanging connector that connects the main board with
the SD/SIM board for SD card, SIM card and other interface signals.
The signal names below are based on the signal names on the schematic of the main board.
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
PROVISIONAL ISSUE
Signal
Main
Name
SD/SIM
GND
GND
GND
GND
VMAIN
VMAIN
CC-CLK
CC-RST
VSIM1-SW
CC-IO
MMC-DAT0-
SPI-DI
SD-SWI
VSD
MMC-DAT3
MMC-DAT2
MMC-DAT1
VIB
MMC-CMD-
SPI-D0
KBI-R3
MMC-CLK
KBI-C5
GND
GND
GND
GND
Power supply for IrDA module
Ground
Ground
Ground
Hands free speaker output +
Hands free speaker output -
Ground
Function
Ground
Ground
Ground
Ground
VMAIN power supply
VMAIN power supply
SIM card clock from S-GOLD
SIM card reset control from S-GOLD
SIM card power supply controlled by S-GOLD
SIM card IO data from S-GOLD
SD card data line 0 from OMAP
SD card hot insertion/de-insertion detection line
to OMAP
Power supply for SD card
SD card data line 3 from OMAP
SD card data line 2 from OMAP
SD card data line 1 from OMAP
Vibrator control line from S/M power
SD card command line from OMAP
Keypad input line for row 3 to OMAP
SD card clock from OMAP
Keypad output line for column 5 to OMAP
Ground
Ground
Ground
Ground
− 7-4 −
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