m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 231

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

Appendix Standard Serial I/O Mode 2 (Flash Memory Version)
Figure 1.23.6. Timing for block erasing
Figure 1.23.7. Timing for erasing all code blocks.
Block Erase Command
Erase All Code Blocks Command
This command erases the data in the specified block. Execute the block erase command as explained
here following.
After block erase ends, the result of the block erase operation can be known by reading the status
register. For more information, see the section on the status register.
Each block can be erase-protected with the lock bit. For more information, see the section on the data
protection function.
This command erases the content of all code blocks. Execute the erase all code blocks command as
explained here following.
The result of the erase operation can be known by reading the status register.
.
(M16C reception data)
(1) Transfer the “20
(2) Transfer addresses A
(3) Transfer the verify command code “D0
(1) Transfer the “A716” command code with the 1st byte.
(2) Transfer the verify command code “D016” with the 2nd byte. With the verify command code, the
(M16C transmit data)
erase operation will start for the specified block in the flash memory. Write the highest address of
the specified block for addresses A
erase operation will start and continue for all code blocks in the flash memory.
Preliminary Specifications Rev. 0.9
(M16C reception data)
(M16C transmit data)
Specifications in this manual are tentative and subject to change.
RxD1
TxD1
16
RxD1
TxD1
” command code with the 1st byte.
8
to A
Renesas Technology Corp.
15
20
and A
16
A7
8
16
16
to A
A
A
8
16
to A
15
23
to
” with the 4th byte. With the verify command code, the
D0
.
23
16
with the 2nd and 3rd bytes respectively.
A
A
16
23
to
D0
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
16
M16C/26 Group
225