m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 232

• Manufacturer Part Number: m30262f8gp
• Description: Renesas 16-bit Cmos Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

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Appendix Standard Serial I/O Mode 2 (Flash Memory Version)
Figure 1.23.8. Timing for download
Download Command
This command downloads a program to the RAM for execution. Execute the download command as
explained here following.
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.
(1) Transfer the “FA
(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
(4) The program to execute is sent with the 5th byte onward.
(M16C reception data)
(M16C transmit data)
byte onward.
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative and subject to change.
RxD1
TxD1
16
” command code with the 1st byte.
Renesas Technology Corp.
FA
Data size (low)
16
Data size (high)
Check
sum
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Program
data
Program
data
M16C/26 Group