Reference Manual

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www.ConnectCore 9M 2443 & Wi-9M 2443 Hardware Reference.com 118
90 I/O SD_CD# EINT1/GPF1 Configured as
input, pull-up
disabled
Card detect
Connected to X14
91 - - NC Connected to X11;C23
92 O ROE# OE# 22R series resistor
on module
Connected to X33 Peripheral
Application Header
93 O RWE# WE# 22R series resistor
on module
Connected to X33 Peripheral
Application Header
94 I WAIT# WAIT# Pullup 5k to
+3.3V on module
Not used
95 I/O RCS1# RCS1# Chip select, not
used on module,
22R series resistor
on module.
Defaults to
Output/High at
reset
Connected to X33 Peripheral
Application Header
96 I/O RCS2# RCS2# Chip select, not
used on module,
22R series resistor
on module.
Defaults to
Output/High at
reset
Not used
97 I/O RCS3# RCS3# Chip select, not
used on module,
22R series resistor
on module,
defaults to
Output/High at
reset
Not used
98 I/O RCS4# RCS4# Chip select, used
on CCW9M2443
module for
wireless LAN.
Not used
99 O - PWREN 1.3V power
control signal
0 = Power for
unneeded parts is
switched off
Must be left
unconnected if not
used
Connected to CPLD
X1 Type U-Boot Module
Functionality
Comments Usage on
development board