UPD6708GS 查看數據表（PDF） - NEC => Renesas Technology

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UPD6708GS

IEBus™ (Inter Equipment Bus™) PROTOCOL CONTROL LSI

NEC => Renesas Technology 

DATA SHEET

MOS INTEGRATED CIRCUIT

µPD6708

IEBus™ (Inter Equipment Bus™) PROTOCOL CONTROL LSI

DESCRIPTION

The µPD6708 is a peripheral LSI for microcontrollers that controls the protocol of the IEBus.

This LSI processes the protocol of the IEBus. Because it is provided with a transmit/receive buffer, the microcontroller

can concentrate on the application processing of the IEBus. Because the µPD6708 also contains an IEBus driver/receiver,

it can be directly connected to the bus.

FEATURES

• Protocol control of IEBus

• Multi-master system

• Broadcast communication function (commu-

nication between one unit and multiple units)

• Choice of three modes with different trans-

mission speeds

Mode 0

Mode 1

Mode 2

At 12 MHz

Approx. 3.9 Kbps

Approx. 17 Kbps

Approx. 26 Kbps

At 12.58 MHz

Approx. 4.1 Kbps

Approx. 18 Kbps

Approx. 27 Kbps

• On-chip IEBus driver/receiver

• Transmit/receive buffer

Transmit: 4-byte FIFO

Receive: 20-byte FIFO

• Interface with microcontroller

• Three-line serial I/O (SCK, SO, SI pins)

• Transfer with MSB first

• Oscillation frequency (fX): 12 MHz, 12.58 MHz

• In modes 0 and 1: ±1.5 %

• In mode 2:

±0.5 %

• Supply voltage: VDD = 5 V ±10 %

ORDERING INFORMATION

Part Number

Package

µPD6708CX

µPD6708GS

16-pin plastic DIP (300 mil)

16-pin plastic SOP (300 mil)

APPLICATION FIELD

Fields where a small-scale digital data transfer system is required between equipment, such as automobile electronic

systems and industrial equipment

The information in this document is subject to change without notice.

Document No. U10680EJ2V0DS00 (2nd edition)

(Previous No. IC-3282)

Date Published January 1996 P

Printed in Japan

The mark 5 shows major revised points.

©

1993

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