P87C52 PHILIPS [NXP Semiconductors], P87C52 Datasheet - Page 4

• Manufacturer Part Number: P87C52
• Description: 80C51 8-bit microcontrollers 16K/32K, 512 OTP, I2C, watchdog timer
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
PIN CONFIGURATIONS
1999 Jul 23
80C51 8-bit microcontrollers
16K/32K, 512 OTP, I
T2EX/P1.1
INT0/P3.2
INT1/P3.3
SDA/P1.7
SCL/P1.6
RxD/P3.0
TxD/P3.1
WR/P3.6
RD/P3.7
T2/P1.0
T0/P3.4
T1/P3.5
XTAL2
XTAL1
P1.2
P1.3
P1.4
P1.5
RST
V
SS
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
PACKAGE
IN-LINE
DUAL
2
C, watchdog timer
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
V
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
ALE
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P2.4/A12
P2.3/A11
P2.2/A10
P2.1/A9
P2.0/A8
SU00162
DD
4
PLASTIC LEADED CHIP CARRIER
PIN FUNCTIONS
* NO INTERNAL CONNECTIONS
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
17
7
Function
NC*
P1.0/T2
P1.1/T2EX
P1.2
P1.3
P1.4
P1.5
P1.6/SCL
P1.7/SDA
RST
P3.0/RxD
NC*
P3.1/TxD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
XTAL2
XTAL1
V
SS
18
6
LCC
1
87C524/87C528
Pin
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
40
28
Function
NC*
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
PSEN
ALE
NC*
EA
P0.7/AD7
P0.6/AD6
P0.5/AD5
P0.4/AD4
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
V
DD
SU00163A
39
29
Product specification