P87C52 PHILIPS [NXP Semiconductors], P87C52 Datasheet - Page 5

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

Philips Semiconductors
PLASTIC QUAD FLAT PACK
PIN FUNCTIONS
1999 Jul 23
* NO INTERNAL CONNECTIONS
80C51 8-bit microcontrollers
16K/32K, 512 OTP, I
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
11
1
1
2
3
4
5
6
7
8
9
Function
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
NC*
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
SS
44
12
QFP
Pin
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
2
34
22
C, watchdog timer
Function
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
NC*
P1.0/T2
P1.1/T2EX
P1.2
P1.3
P1.4
DD
SU00164
33
23
5
87C524/87C528
Product specification