UPD72042 datasheet(1/92 Pages) NEC

tên linh kiện	UPD72042

Giải thích chi tiết về linh kiện	LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL

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2000

DATA SHEET

LSI DEVICES FOR Inter Equipment BusTM (IEBusTM)

PROTOCOL CONTROL

MOS INTEGRATED CIRCUIT

µPD72042

The

µPD72042 is a microcomputer peripheral LSI device for IEBus protocol control.

The

µPD72042 performs all the processing required for layers 1 and 2 of the IEBus. The devices incorporate large

transmission and reception buffers, allowing the microcomputer to perform IEBus operations without interruption.

They also contain an IEBus driver and receiver, allowing them to directly connected to the bus directly.

FEATURES

•• Control of layers 1 and 2 of the IEBus protocol

• Support of a multi-master scheme

• Broadcast function

• Two communication modes having different

transmission speeds can be selected.

•• Microcomputer interface

Three-/two-wire serial I/O,

Transfer starting with MSB

•• Program crashes can be detected by means of a

watchdog timer.

•• Low power consumption (standby mode):

50

µA (max)

•• Oscillator frequency (fX): 6 MHz

• frequency accuracy:

±1.5%

•• Operating voltage: 5 V ±10%

Document No. S14870EJ1V0DS00 (1st edition)

Date Published June 2000 N CP(N)

Printed in Japan

q

Built-in IEBus driver and receiver

q

Transmission and reception buffers

Transmission buffer

: 33 bytes, FIFO

Reception buffer

: 40 bytes, FIFO (capable of

holding more than one frame

of reception data.)

ORDERING INFORMATION

Part number

Package

µPD72042GT

16-pin plastic SOP (9.53 mm (375))

Transmission speed

Mode 0

Approx. 3.9 Kbps

Mode 1

Approx. 17 Kbps

The information in this document is subject to change without notice. Before using this document, please

confirm that this is the latest version.

Not all devices/types available in every country. Please check with local NEC representative for availability

and additional information.

Số phần tương tự - UPD72042

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
NEC	UPD72042A	541Kb / 92P	LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL
	UPD72042AGT	541Kb / 92P	LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL
	UPD72042B	541Kb / 92P	LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL
	UPD72042B	362Kb / 90P	LSI DEVICE FOR Inter Equipment Bus (IEBus) PROTOCOL CONTROL
Renesas Technology Corp	UPD72042B	524Kb / 92P	MOS INTEGRATED CIRCUIT 1995

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Mô tả tương tự - UPD72042

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Renesas Technology Corp	PD72042B	525Kb / 92P	LSI DEVICE FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL

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