W78C31BP-16 Winbond, W78C31BP-16 Datasheet

W78C31BP-16

Manufacturer Part Number

W78C31BP-16

Description

Manufacturer

Winbond

Datasheet

1.W78C31BP-16.pdf (16 pages)

Specifications of W78C31BP-16

Case

PLCC/44

Date_code

94+

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

W78C31BP-16

Manufacturer:

WINBOND

Quantity:

5 510

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

W78C31BP-16

Manufacturer:

TOS

Quantity:

5 510

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GENERAL DESCRIPTION

The W78C31B microcontroller supplies a wider frequency range than most 8-bit microcontrollers on

the market. It is compatible with the industry standard 80C31 microcontroller series.

The W78C31B contains four 8-bit bidirectional parallel ports, two 16-bit timer/counters, and a serial

port. These peripherals are supported by a five-source, two-level interrupt capability. There are 128

bytes of RAM, and the device supports ROMless operation for application programs.

The W78C31B microcontroller has two power reduction modes, idle mode and power-down mode,

both of which are software selectable. The idle mode turns off the processor clock but allows for

continued peripheral operation. The power-down mode stops the crystal oscillator for minimum power

consumption. The external clock can be stopped at any time and in any state without affecting the

processor.

FEATURES

8-bit CMOS microcontroller

Fully static design

Low standby current at full supply voltage

DC-40 MHz operation

128 bytes of on-chip scratchpad RAM

ROMless operation

64K bytes program memory address space

64K bytes data memory address space

Four 8-bit bidirectional ports

Two 16-bit timer/counters

One full duplex serial port

Boolean processor

Five

Built-in power management

Packages:

DIP 40: W78C31B-16/24/40

PLCC 44: W78C31BP-16/24/40

QFP 44: W78C31BF-16/24/40

TQFP 44: W78C31BM-16/24/40

-source, two-level interrupt capability

8-BIT MICROCONTROLLER

- 1 -

Publication Release Date: October 1997

W78C31B

Revision A3

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