Reference Manual

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www.ConnectCore 9M 2443 & Wi-9M 2443 Hardware Reference.com 112
9 I - TRST# JTAG, Pull-up
10k to +3.3V on
module
"JTAG connector X13
10 I - CONF0#
DEBUGEN#
Debug enable,
Pull-up 10k to
+3.3V on module
0 = Debug
enabled, TRST#
isolated from
PWRGOOD
Conneected to DIP-switch
S2.1
ON: connected to GND
11 I - CONF1
NAND_FWP#
NAND Flash
Write Protect,
Pull-up 10k to
+3.3V on module
0 = NAND Flash
write protected
Connected to DIP-switch S4.2
ON: connected to GND
12 I I- CONF2
VD0
GPC8
Pull-up 10k to
+3.3V on module
Connected to DIP-switch S4.3
ON: connected to GND
13 I I CONF3
VD1
GPC9
Reserved, do not
connect, Pull-up
10k to +3.3V on
module
Connected to DIP-switch S4.4
ON: connected to GND
14 I/O I CONF4
VD8
GPD0
Pull-up 10k to
+3.3V on module
Connected to DIP-switch S4.5
ON: connected to GND
15 I/O I CONF5
VD9
GPD1
Pull-up 10k to
+3.3V on module
Connected to DIP-switch S4.6
ON: connected to GND
16 I/O I CONF6
VD16
GPD8
Pull-up 10k to
+3.3V on module
Connected to DIP-switch S4.7
ON: connected to GND
17 I/O I CONF7
VD17
GPD9
Pull-up 10k to
+3.3V on module
Connected to DIP-switch S4.8
ON: connected to GND
18 I/O TxD0 TxD0
GPH0
Configured to
TxD0
Connected via RS232 driver to
COMA, X27
19 I/O RxD0 RxD0
GPH1
Configured to
RxD0
Connected via RS232 driver to
COMA, X27
20 I/O RTS0# RTS0#
GPH9
Configured to
RTS0#
Connected via RS232 driver to
COMA, X27
21 I/O CTS0# CTS0#
GPH8
Configured to
CTS0#
Connected via RS232 driver to
COMA, X27
X1 Type U-Boot Module
Functionality
Comments Usage on
development board