TSC87251G1A
5. Pin Description
5.1. Pinout
1
40 VDD
P1.0/T2
2
39 P0.0/AD0
38 P0.1/AD1
37 P0.2/AD2
36 P0.3/AD3
35 P0.4/AD4
34 P0.5/AD5
33 P0.6/AD6
32 P0.7/AD7
31 EA#/VPP
30 ALE/PROG#
29 PSEN#
P1.1/T2EX
P1.2/ECI
3
4
P1.3/CEX0
5
P1.4/CEX1
6
P1.5/CEX2/MISO
P1.6/CEX3/SCL/SCK
P1.7/A17/CEX4/SDA/MOSI
RST
7
8
9
10
11
12
13
14
15
16
17
18
19
P3.0/RXD
TSC87251G1A
P3.1/TXD
P3.2/INT0#
28 P2.7/A15
27 P2.6/A14
26 P2.5/A13
25 P2.4/A12
24 P2.3/A11
23 P2.2/A10
22 P2.1/A9
21 P2.0/A8
P3.3/INT1#
P3.4/T0
P3.5/T1
P3.6/WR#
P3.7/A16/RD#
XTAL2
XTAL1
VSS 20
Figure 2. TSC87251G1A 40–pin DIP package
P1.5/CEX2/MISO
7
8
9
39 P0.4/AD4
P1.6/CEX3/SCL/SCK
38 P0.5/AD5
37 P0.6/AD6
36 P0.7/AD7
35 EA#/VPP
34 NC
P1.7/A17/CEX4/SDA/MOSI
RST 10
P3.0/RXD 11
NC 12
TSC87251G1A
P3.1/TXD 13
P3.2/INT0# 14
P3.3/INT1# 15
P3.4/T0 16
33 ALE/PROG#
32 PSEN#
31 P2.7/A15
30 P2.6/A14
29 P2.5/A13
P3.5/T1 17
Figure 3. TSC87251G1A 44–pin PLCC/CQPJ Package
4
Rev. A – September 21, 1998
TEMIC [ TEMIC SEMICONDUCTORS ]
