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CLCD Display and Adaptor Board
C-18 Copyright © 2003-2007 ARM Limited. All rights reserved. ARM DUI 0224F
C.4.5 A/D and keypad connector
The signals on the connector J13 are shown in Table C-7 on page C-17.
This connector enables the connection of an external keypad (R[4:1] are the keypad row
scan output signals and C[4:1] are the column detect input signals). There are also
connections to the analog to digital converter inputs on the CLCD adaptor board
(AUX[2:1] and VBAT[2:1]).
Table C-8 A/D and keypad J13
Signal Pin Pin Signal
3V3 120 3V3
AUX1 219 GND
AUX2 318 GND
VBAT1 417 GND
VBAT2 516 GND
R1 615 C1
R2 714 C2
R3 813 C3
R4 912 C4
GND 10 11 GND