m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 218

• 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 1 (Flash Memory Version)
Figure 1.22.8. Timing for download
Figure 1.22.7. Timing for erasing all code blocks.
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
(M16C reception data)
Specifications in this manual are tentative and subject to change.
(M16C transmit data)
RTS1(BUSY)
RTS1(BUSY)
CLK1
RxD1
TxD1
16
CLK1
RxD1
” command code with the 1st byte.
TxD1
Renesas Technology Corp.
FA
Data size (low)
16
A7
16
D0
16
Data size (high)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Check
sum
Program
data
Program
M16C/26 Group
data