7516 datasheet(68/90 Pages) RENESAS

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7516 Datasheet(PDF) 68 Page - Renesas Technology Corp

Part #	7516

Description	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

PDF	90 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

Logo

68 / 90 page

Rev.1.01

Jul 01, 2003

page 68 of 89

7516 Group

qDownload Command

This command downloads a program to the RAM for execution.

Execute the download command as explained here following.

(1) Transfer the “FA16” command code with the 1st byte.

(2) Transfer the program size with the 2nd and 3rd bytes.

(3) Transfer the check sum with the 4th byte. The check sum is

added to all data sent with the 5th byte onward.

(4) The program to execute is sent with the 5th byte onward.

When all data has been transmitted, if the check sum matches,

the downloaded program is executed. The size of the program will

vary according to the internal RAM.

Fig. 71 Timing for download

FA16

Program

data

Program

data

Data size

(low)

Check

sum

SCLK

RxD

TxD

SRDY1(BUSY)

Data size

(high)

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