OM5232SLASHFBB datasheet(1/11 Pages) PHILIPS

部件名	OM5232/FBB

功能描述	CMOS single-chip 8-bit microcontroller

PDF	11 Pages

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制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

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Philips Semiconductors

Product specification

OM5232

CMOS single-chip 8-bit microcontroller

1

December 1994

DESCRIPTION

The OM5232 Single-Chip 8-Bit Microcontroller is manufactured in an

advanced CMOS process and is a derivative of the 80C51

microcontroller family. The OM5232 has the same instruction set as

the 80C51.

See also:

– OM5202 — ROMless version

– OM5234 — 16K bytes mask programmable ROM

– OM5238 — 32K bytes mask programmable ROM

This device provides architectural enhancements that make it

applicable in a variety of applications for general control systems.

The OM5232 contains a non-volatile 8k

× 8 read-only program

memory, a volatile 256

× 8 read/write data memory, four 8-bit I/O

ports, two 16-bit timer/event counters (identical to the timers of the

80C51), a multi-source, two-priority-level, nested interrupt structure,

UART and on-chip oscillator and timing circuits. For systems that

require extra capability, the OM5232 can be expanded using

standard TTL compatible memories and logic.

The device also functions as an arithmetic processor having

facilities for both binary and BCD arithmetic plus bit-handling

capabilities. The instruction set consists of over 100 instructions: 49

one-byte, 45 two-byte and 17 three-byte. With a 16MHz crystal, 58%

of the instructions are executed in 0.75

µs and 40% in 1.5µs. Multiply

and divide instructions require 3

µs.

FEATURES

• 80C51 central processing unit

• 8k × 8 ROM, expandable externally to 64k bytes

• 256 × 8 RAM, expandable externally to 64k bytes

• Two standard 16-bit timer/counters

• Four 8-bit I/O ports

• Two open drain I/O’s (P1.6, P1.7)

• Full-duplex UART facilities

• Power control modes

– Idle mode

– Power-down mode

• ROM code protection

• Extended frequency range: 1.2 to 16 MHz

• Operating ambient temperature range: 0 to +70°C

PIN CONFIGURATIONS

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

P1.0

P1.1

P1.2

P1.3

P1.4

P1.5

P1.6

RST

RxD/P3.0

TxD/P3.1

INT0/P3.2

INT1/P3.3

T0/P3.4

T1/P3.5

P1.7

RD/P3.7

XTAL2

XTAL1

VSS

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

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

VDD

DIP

SEE PAGE 2 FOR QFP PIN FUNCTIONS.

QFP

44

34

1

11

33

23

12

22

WR/P3.6

(SOT307–2)

PART NUMBER SELECTION

PHILIPS PART

ORDER NUMBER

PART MARKING

PACKAGE NUMBER

TEMPERATURE RANGE

°C,

PACKAGE

FREQUENCY

MHz

OM5232/FBP/xxx 1)

SOT129

0 to +70, Plastic Dual In–line Package, 40 leads

1.2 to 16

OM5232/FBB/xxx 1)

SOT307–2

0 to +70, Plastic Quad Flat Pack, 44 leads

1.2 to 16

NOTE:

1. xxx denotes the ROM code number.

EQUIVALENT TYPES

Details are as specified by the data sheet for the equivalent type:

OM5202 = P80C652 without I2C function.

OM5232 = P83C652 without I2C function.

OM5234 = P83C654 without I2C function.

OM5238 = P83C528 without I2C function.

类似零件编号 - OM5232/FBB

制造商	部件名	数据表	功能描述
List of Unclassifed Man...	OM5233DT	35Kb / 2P	HERMETIC JEDEC TO-257AA HIGH EFFICIENCY, CENTER-TAP RECTIFIER
	OM5233DT	25Kb / 2P	HERMETIC JEDEC TO-257AA HIGH EFFICIENCY, CENTER-TAP RECTIFIER
	OM5233RT	35Kb / 2P	HERMETIC JEDEC TO-257AA HIGH EFFICIENCY, CENTER-TAP RECTIFIER
	OM5233RT	25Kb / 2P	HERMETIC JEDEC TO-257AA HIGH EFFICIENCY, CENTER-TAP RECTIFIER
	OM5233ST	35Kb / 2P	HERMETIC JEDEC TO-257AA HIGH EFFICIENCY, CENTER-TAP RECTIFIER

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类似说明 - OM5232/FBB

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