M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 275
M30622MA-XXXFP
Manufacturer Part Number
M30622MA-XXXFP
Description
16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.M30622MA-XXXFP.pdf
(621 pages)
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Appendix Standard Serial I/O Mode (Flash Memory Version)
260
Figure 1.31.7. 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 RTS1 (BUSY) signal changes from the “H” to the “L” level. 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.
(1) Send the “20
(2) Send addresses A
(3) Send the verify command code “D0
tively.
mand code, the erase operation will start for the specified block in the flash memory. Write the
highest address of the specified block for addresses A
(M16C reception data)
(M16C transmit data)
RTS1(BUSY)
16
” command code in the 1st byte of the transmission.
8
CLK1
RxD1
TxD1
to A
15
and A
20
16
16
to A
16
” in the 4th byte of the transmission. With the verify com-
23
A
A
8
in the 2nd and 3rd bytes of the transmission respec-
15
to
A
A
16
23
to
16
to A
D0
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
16
23
.
Mitsubishi microcomputers
M16C / 62 Group
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