TMS370 datasheet(52/66 Pages) TI

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TMS370Cx4x

8-BIT MICROCONTROLLER

SPNS016C – NOVEMBER 1992 – REVISED FEBRUARY 1997

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

PARAMETER MEASUREMENT INFORMATION

timing parameter symbology

Timing parameter symbols have been created in accordance with JEDEC Standard 100. In order to shorten the

symbols, some of the pin names and other related terminology have been abbreviated as follows:

Address

Read

Array

RXD

SCIRXD

Byte

SYSCLK

XTAL2/CLKIN

SCC

SCICLK

Data

TXD

SCITXD

PGM

Program

Write

Lowercase subscripts and their meanings are:

cycle time (period)

rise time

delay time

setup time

fall time

valid time

hold time

pulse duration (width)

The following additional letters are used with these meanings:

High

Valid

Low

High Impedance

All timings are measured between high and low measurement points as indicated in the figures below.

General Measurement Points

XTAL2/CLKIN Measurement Points

0.8 V (Low)

2 V (High)

0.8 V (Low)

0.8 VCC V (High)

TMS370 Datasheet(PDF) 52 Page - Texas Instruments

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