15
ROM-DB3900 User Manual
Chapter 2
H
/W Installation
2.4.4
Jumpers
Table 2.17: SD (SD slot)
Pin
Signal
Pin
Signal
1
SDIO_DATA3_X
2
SDIO_CMD
3
GND
4
+3V
5
SDIO_CK
6
GND
7
SDIO_DATA0
8
SDIO_DATA1
9
SDIO_DATA2
10
SDIO_CD#
11
GND
12
+3V_SDIO
H1
-
H2
-
H3
-
H4
GND
H5
GND
H6
GND
Table 2.18: BR2032HOLDER (CR-2032)
Pin
Signal
Pin
Signal
1
BAT_RTC
2
GND
Table 2.19: JP2201 (GPIO/Keypad selection for GPIO0/10)
Pin
Signal
1-2
GPIO0
2-3
GPIO10
Table 2.20: JP2202 (GPIO/Keypad selection for GPIO1/11)
Pin
Signal
1-2
GPIO1
2-3
GPIO11