P87C552 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

P87C552

80C51 8-bit microcontroller 8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, low voltage (2.7V–5.5V), low power

Philips Electronics 

Philips Semiconductors

80C51 8-bit microcontroller

8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM,

capture/compare, high I/O, low voltage (2.7V–5.5V), low power

PIN CONFIGURATIONS

Plastic Leaded Chip Carrier pin functions

9

1

61

10

60

PLASTIC

LEADED

CHIP CARRIER

26

27

44

43

Pin Function

1 P5.0/ADC0

2 VDD

3 STADC

4 PWM0

5 PWM1

6 EW

7 P4.0/CMSR0

8 P4.1/CMSR1

9 P4.2/CMSR2

10 P4.3/CMSR3

11 P4.4/CMSR4

12 P4.5/CMSR5

13 P4.6/CMT0

14 P4.7/CMT1

15 RST

16 P1.0/CT0I

17 P1.1/CT1I

18 P1.2/CT2I

19 P1.3/CT3I

20 P1.4/T2

21 P1.5/RT2

22 P1.6/SCL

23 P1.7/SDA

Pin Function

24 P3.0/RxD

25 P3.1/TxD

26 P3.2/INT0

27 P3.3/INT1

28 P3.4/T0

29 P3.5/T1

30 P3.6/WR

31 P3.7/RD

32 NC

33 NC

34 XTAL2

35 XTAL1

36 VSS

37 VSS

38 NC

39 P2.0/A08

40 P2.1/A09

41 P2.2/A10

42 P2.3/A11

43 P2.4/A12

44 P2.5/A13

45 P2.6/A14

46 P2.7/A15

Pin Function

47 PSEN

48 ALE/PROG

49 EA/VPP

50 P0.7/AD7

51 P0.6/AD6

52 P0.5/AD5

53 P0.4/AD4

54 P0.3/AD3

55 P0.2/AD2

56 P0.1/AD1

57 P0.0/AD0

58 AVref–

59 AVref+

60 AVSS

61 AVDD

62 P5.7/ADC7

63 P5.6/ADC6

64 P5.5/ADC5

65 P5.4/ADC4

66 P5.3/ADC3

67 P5.2/ADC2

68 P5.1/ADC1

SU00208

LOGIC SYMBOL

VSS

VDD

XTAL1

XTAL2

EA/VPP

ALE/PROG

PSEN

AVSS

AVDD

AVref+

AVref–

STADC

PWM0

PWM1

ADC0-7

CMSR0-5

CMT0

CMT1

RST

EW

Preliminary specification

P87C552

LOW ORDER

ADDRESS AND

DATA BUS

CT0I

CT1I

CT2I

CT3I

T2

RT2

SCL

SDA

HIGH ORDER

ADDRESS AND

DATA BUS

RxD/DATA

TxD/CLOCK

INT0

INT1

T0

T1

WR

RD

SU00210

1999 Mar 30

4

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