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ConnectCore 9M 2443 & Wi-9M 2443 Hardware Reference
C h a p t e r   2
100
I
-
BATT_FLT#
Battery fault 
Pull-up 10k to 
+3.3V on module, 
can be left 
unconnected.
Not used
101
I/O
CAMCLKOUT
CAMPCLKOUT
GPJ11
Master clock to 
the camera 
processor output 
with pull-up 
enabled
Connected to X28
102
I/O
CAMRESET
CAMRESET
GPJ12
Software reset or 
power down to the 
camera processor 
output with pull-
up enabled
Connected to X28
103
O
-
RBEO#
Upper 
Byte/Lower Byte 
Enable
Not used
104
O
-
RBE1#
Not used
105
O
-
Not used
106
O
-
Not used
107
I/O
SS0# SS0#GPL13 
SPI0, 
pull-up 
enabled
Connected to X8 SPI 
connector
108
I/O
SPIMISO0
SPIMISO0
GPE11
Pull-up enabled
Connected to X8 SPI 
connector
109
I/O
SPIMOS10
SPIMOSI0
GPE12
Pull-up enabled
Connected to X8 SPI 
connector
110
I/O
SPICLK0
SPICLK0
GPE13
Pull-up disabled
Connected to X8 SPI 
connector
111
I/O
IICSCL
IICSCL
GPE14
I
2
C clock, pullup 
4k7 to 3.3V on 
module
Connected to X33, X28, X15, 
U5, U7
112
I/O
IICSDA
IICSDA
GPE15
I
2
C clock, pullup 
4k7 to 3.3V on 
module
Connected to X33, X28, X15, 
U5, U7
113
I/O
O
USB_DT/PW
GPG0
EINT8
Default GPG0 
input.
Optional output to switch on 
1k5 pull-up resistor for USB 
device (CC9M2440 
compatibility)
114
I/O
USBP
DP_UDEV
USB device
USB device data line + 
connected to X12
X1
Type
U-Boot
Module 
Functionality
Comments
Usage on 
development board