Semiconductor Specification Sheet

265
MSM80C154S/83C154S¡ Semiconductor
PIN CONFIGURATION (Continued)
NC : No-connection pin
44-Pin Plastic QFJ
P0.3
P0.2
P0.1
P0.0
V
CC
NC
P1.0/T2
P1.1/T2EX
P1.2
P1.3
P1.4
P2.3
P2.2
P2.1
P2.0
NC
V
SS
XTAL1
XTAL2
P3.7/RD
P3.6/WR
P1.5 P1.6 P1.7
RESET
P3.0/RXD
NC
P3.1/TXD
P3.2/INT0 P3.3/INT1
P3.4/T0
P0.5 P0.6 P0.7 EA NC ALE PSEN P2.7 P2.6 P2.5 P0.4
P2.4
P3.5/T1/HPDI
40
41
42
43
44
1
2
3
4
5
6
7 8 9
10 11 12 13 14 15 16 17
28
27
26
25
24
23
22
21
20
19
18
39 38 37 36 35 34 33 32 31 30 29