M30622SAFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30622SAFP Datasheet - Page 245

• Manufacturer Part Number: M30622SAFP
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Appendix Standard Serial I/O Mode 1 (Flash Memory Version)
Figure 1.29.7. Timing for block erasing
Block Erase Command
This command erases the data in the specified block. Execute the block erase command as explained
here following.
When block erasing ends, the RTS
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.
(1) Transfer the “20
(2) Transfer addresses A
(3) Transfer the verify command code “D0
(M16C reception data)
(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
RTS1(BUSY)
CLK1
RxD1
TxD1
16
” command code with the 1st byte.
8
to A
15
20
1
and A
16
(BUSY) signal changes from the “H” to the “L” level. After block
16
16
A
to A
A
to A
8
16
15
” with the 4th byte. With the verify command code, the
to
23
23
.
with the 2nd and 3rd bytes respectively.
A
A
16
23
to
D0
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
16
M16C / 62A Group
Mitsubishi microcomputers
245