80C652 Datasheet, PDF (3/25 Pages) NXP Semiconductors – CMOS single-chip 8-bit microcontrollers

Phlips Semiconductors
CMOS single-chip 8-bit microcontrollers
CERAMIC AND PLASTIC LEADED
CHIP CARRIER PIN FUNCTIONS
6
1
40
PLASTIC QUAD FLAT PACK
PIN FUNCTIONS
44
34
7
39
CERAMIC
AND
PLASTIC
LEADED CHIP
CARRIER
17
29
1
33
PLASTIC
QUAD
FLAT
PACK
11
23
18
Pin Function
1 NC*
2 P1.0
3 P1.1
4 P1.2
5 P1.3
6 P1.4
7 P1.5
8 P1.6/SCL
9 P1.7/SDA
10 RST
11 P3.0/RxD
12 NC*
13 P3.1/TxD
14 P3.2/INT0
15 P3.3/INT1
16 P3.4/T0
17 P3.5/T1
18 P3.6/WR
19 P3.7/RD
20 XTAL2
21 XTAL1
22
V_SS
*DO NOT CONNECT
28
Pin Function
23 NC*
24 P2.0/A8
25 P2.1/A9
26 P2.2/A10
27 P2.3/A11
28 P2.4/A12
29 P2.5/A13
30 P2.6/A14
31 P2.7/A15
32 PSEN
33 ALE
34 NC*
35 EA
36 P0.7/AD7
37 P0.6/AD6
38 P0.5/AD5
39 P0.4/AD4
40 P0.3/AD3
41 P0.2/AD2
42 P0.1/AD1
43 P0.0/AD0
44
V_DD
12
Pin Function
1 P1.5
2 P1.6/SCL
3 P1.7/SDA
4 RST
5 P3.0/RxD
6
V_SS4
7 P3.1/TxD
8 P3.2/INT0
9 P3.3/INT1
10 P3.4/T0
11 P3.5/T1
12 P3.6/WR
13 P3.7/RD
14 XTAL2
15 XTAL1
16
V_SS1
17 NC*
18 P2.0/A8
19 P2.1/A9
20 P2.2/A10
21 P2.3/A11
22 P2.4/A12
22
Pin Function
23 P2.5/A13
24 P2.6/A14
25 P2.7/A15
26 PSEN
27 ALE
28
V_SS2
29 _EA/VPP
30 P0.7/AD7
31 P0.6/AD6
32 P0.5/AD5
33 P0.4/AD4
34 P0.3/AD3
35 P0.2/AD2
36 P0.1/AD1
37 P0.0/AD0
38
V_DD
39
V_SS3
40 P1.0
41 P1.1
42 P1.2
43 P1.3
44 P1.4
*DO NOT CONNECT
NOTES TO QFP ONLY:
1. Due to EMC improvements, all V_SS pins
(6, 16, 28, 39) must be connected to V_SS
on the 80C652/83C652.
Product specification
80C652/83C652
1996 Aug 15
3