7641 데이터 시트보기 (PDF) - Mitsumi

부품명

상세내역

일치하는 목록

7641

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Mitsumi 

PRELIMINARY NSocothimcaene:gpTeah.riasmisetnrioct laimfiintsalasrepescuibfijceacttioton.

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.

MITSUBISHI MICROCOMPUTERS

7641 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

SCLK

SRXD

STXD

SRDY (BUSY)

Fig. 111 Timing for download

FA16

Data size Data size

(low)

(high)

Check

sum

Program

data

Program

data

130

Share Link: