参数资料
型号: M38503M2A-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 12.5 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-42
文件页数: 68/99页
文件大小: 1419K
代理商: M38503M2A-XXXSP
70
3850 Group (Spec. H/A)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
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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