P83C453EBAA datasheet(1/23 Pages) PHILIPS

номер детали	P83C453EBAA

подробное описание детали	CMOS single-chip 8-bit microcontrollers

PDF	23 Pages

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производитель	PHILIPS [NXP Semiconductors]

домашняя страница	http://www.nxp.com

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Philips Semiconductors

Preliminary specification

80C453/83C453/87C453

CMOS single-chip 8-bit microcontrollers

3-311

1996 Aug 15

DESCRIPTION

The Philips 8XC453 is an I/O expanded single-chip microcontroller

fabricated with Philips high-density CMOS technology. Philips

epitaxial substrate minimizes latch-up sensitivity.

The 8XC453 is a functional extension of the 87C51 microcontroller

with three additional I/O ports and four I/O control lines. The 8XC453

is available in 68-pin LCC packages. Four control lines associated

with port 6 facilitate high-speed asynchronous I/O functions.

The 87C453 includes an 8k

× 8 EPROM, a 256 × 8 RAM, 56 I/O

lines, two 16-bit timer/counters, a seven source, two priority level,

nested interrupt structure, a serial I/O port for either a full duplex

UART, I/O expansion, or multi-processor communications, and

on-chip oscillator and clock circuits.

The 87C453 has two software selectable modes of reduced activity

for further power reduction; idle mode and power-down mode. Idle

mode freezes the CPU while allowing the RAM, timers, serial port,

and interrupt system to continue functioning. Power-down mode

freezes the oscillator, causing all other chip functions to be

inoperative while maintaining the RAM contents.

FEATURES

• 80C51 based architecture

• Seven 8-bit I/O ports

• Port 6 features:

– Eight data pins

– Four control pins

– Direct MPU bus interface

– ISA Bus Interface

– Parallel printer interface

– IBF and OBF interrupts

– A flag latch on host write

• On the microcontroller:

– 8k

× 8 EPROM

Quick pulse programming algorithm

Two-level program security system

– 256

× 8 RAM

– Two 16-bit counter/timers

– Two external interrupts

• External memory addressing capability

– 64k ROM and 64k RAM

• Low power consumption:

– Normal operation: less than 24mA at 5V, 16MHz

– Idle mode

– Power-down mode

• Reduced EMI

• Full-duplex enhanced UART

– Framing error detection

– Automatic address recognition

LCC PIN FUNCTIONS

LCC

91

61

10

26

60

44

27

43

Function

1EA/VPP

2

P2.0/A8

3

P2.1/A9

4

P2.2/A10

5

P2.3/A11

6

P2.4/A12

7

P2.5/A13

8

P2.6/A14

9

P2.7/A15

10

P0.7/AD7

11

P0.6/AD6

12

P0.5/AD5

13

P0.4/AD4

14

P0.3/AD3

15

P0.2/AD2

16

P0.1/AD1

17

P0.0/AD0

18

VCC

19

P4.7

20

P4.6

21

P4.5

22

P4.4

23

P4.3

Function

24

P4.2

25

P4.1

26

P4.0

27

P1.0

28

P1.1

29

P1.2

30

P1.3

31

P1.4

32

P1.5

33

P1.6

34

P1.7

35

RST

36

P3.0/RxD

37

P3.1/TxD

38

P3.2/INTO

39

P3.3/INT1

40

P3.4/T0

41

P3.5/T1

42

P3.6/WR

43

P3.7/RD

44

P5.0

45

P5.1

46

P5.2

Function

47

P5.3

48

P5.4

49

P5.5

50

P5.6

51

P5.7

52

XTAL2

53

XTAL1

54

VSS

55

ODS

56

IDS

57

BFLAG

58

AFLAG

59

P6.0

60

P6.1

61

P6.2

62

P6.3

63

P6.4

64

P6.5

65

P6.6

66

P6.7

67

PSEN

68

ALE/PROG

SU00157

Аналогичный номер детали - P83C453EBAA

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NXP Semiconductors	P83C453EBAA	188Kb / 26P	80C51 8-bit microcontroller family 8K/256 OTP/ROM, expanded I/O 1998 Apr 23

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