P87C552 NXP Semiconductors, P87C552 Datasheet - Page 4

• Manufacturer Part Number: P87C552
• Description: The 87C552 Single-Chip 8-Bit Microcontroller is manufactured in anadvanced CMOS process and is a derivative of the 80C51microcontroller family
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PIN CONFIGURATIONS
Plastic Leaded Chip Carrier pin functions
2003 Apr 01
80C51 8-bit microcontroller
8K/256 OTP, 8 channel 10 bit A/D, I
capture/compare, high I/O, low voltage (2.7 V to 5.5 V), low power
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
1
2
3
4
5
6
7
8
9
Function
P5.0/ADC0
V
STADC
PWM0
PWM1
EW
P4.0/CMSR0
P4.1/CMSR1
P4.2/CMSR2
P4.3/CMSR3
P4.4/CMSR4
P4.5/CMSR5
P4.6/CMT0
P4.7/CMT1
RST
P1.0/CT0I
P1.1/CT1I
P1.2/CT2I
P1.3/CT3I
P1.4/T2
P1.5/RT2
P1.6/SCL
P1.7/SDA
DD
10
26
Pin
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
27
9
CHIP CARRIER
Function
P3.0/RxD
P3.1/TxD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
NC
NC
XTAL2
XTAL1
V
V
NC
P2.0/A08
P2.1/A09
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
PLASTIC
LEADED
SS
SS
1
61
43
60
44
Pin
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
Function
PSEN
ALE/PROG
EA/V
P0.7/AD7
P0.6/AD6
P0.5/AD5
P0.4/AD4
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
AVref–
AVref+
AV
AV
P5.7/ADC7
P5.6/ADC6
P5.5/ADC5
P5.4/ADC4
P5.3/ADC3
P5.2/ADC2
P5.1/ADC1
2
C, PWM,
SS
DD
PP
SU00208
4
LOGIC SYMBOL
CMT0
CMT1
ADC0-7
CMSR0-5
ALE/PROG
EA/V
STADC
XTAL1
XTAL2
PWM0
PWM1
AVref+
AVref–
PSEN
AV
AV
RST
EW
V
V
SS
DD
PP
SS
DD
TxD/CLOCK
RxD/DATA
INT0
INT1
T0
T1
WR
RD
CT0I
CT1I
CT2I
CT3I
T2
RT2
SCL
SDA
ADDRESS AND
HIGH ORDER
DATA BUS
ADDRESS AND
LOW ORDER
P87C552
DATA BUS
Product data
SU00210