Microcontroller User's Manual

8XC196L X SUPPLEMENT
A-6
Table A-3. 83C196LD Signals Arranged by Functional Categories
Addr & Data Input/Output Input/Output (Cont’d) Processor Control
Name Pin Name Pin Name Pin Name Pin
AD0 22 P1.0/EPA0/T2CLK 44 P4.7 7 CLKOUT 32
AD1 21 P1.1/EPA1 43
P5.0 2 EA# 24
AD2 20 P1.2/EPA2/T2DIR 42
P5.2 6 EXTINT 29
AD3 19 P1.3/EPA3 41
P5.3 5 ONCE# 31
AD4 18 P2.0/TXD 27
P6.0/EPA8 45 RESET# 23
AD5 17 P2.1/RXD 28
P6.1/EPA9 46 XTAL1 52
AD6 16
P2.2 29 P6.4/SC0 47 XTAL2 51
AD7 15
P2.4 30 P6.5/SD0 48
AD8 14
P2.6 31 P6.6/SC1 49 Bus Control & Status
AD9 13
P2.7 32 P6.7/SD1 50 Name Pin
AD10 12 P3.0 22
ADV#/ALE 2
AD11 11 P3.1 21 Power & Ground
RD# 5
AD12 10 P3.2 20 Name Pin
WR#/WRL# 6
AD13 9 P3.3 19
V
CC
26
AD14 8 P3.4 18
V
CC
40
AD15 7 P3.5 17
V
PP
4
P3.6 16
V
SS
1
Input P3.7 15
V
SS
3
Name Pin P4.0 14 V
SS
25
P0.2 33 P4.1 13 V
SS
39
P0.3 34 P4.2 12
P0.4 35 P4.3 11
P0.5 36 P4.4 10
P0.6 37 P4.5 9
P0.7 38 P4.6 8