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B-9
SIGNAL DESCRIPTIONS
Table B-4. 8XC196MH Signals Arranged by Functional Categories
Address & Data Programming Control Input/Output Input/Output (Cont’d)
AD15:0 AINC# P0.5:0/ACH5:0 P5.0
CPVER P0.6/ACH6/T1CLK
P5.1
Bus Control & Status PACT# P0.7/ACH7/T1DIR P5.7:2
ALE/ADV# PALE# P1.0/TXD0 P6.0/WG1#
BHE#/WRH# PBUS.15:0 P1.1/RXD0 P6.1/WG1
BUSWIDTH PMODE.3:0 P1.2/TXD1 P6.2/WG2#
INST PROG# P1.3/RXD1 P6.3/WG2
READY PVER P2.0/EPA0 P6.4/WG3#
RD# P2.1/SCLK0#/BCLK0 P6.5/WG3
WR#/WRL# Processor Control P2.2/EPA1 P6.6/PWM0
EA# P2.3/COMP3
P6.7/PWM1
Power & Ground EXTINT P2.4/COMP0
ANGND NMI P2.5/COMP1
V
CC
ONCE# P2.6/COMP2
V
PP
RESET# P2.7/SCLK1#/BCLK1
V
REF
XTAL1 P3.7:0
V
SS
XTAL2 P4.7:0
NOTE: The shaded signals are not available in the 64-pin package.