参数资料
型号: M37641F8FP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP80
封装: 14 X 20 MM, 0.80 MM, PLASTIC, QFP-80
文件页数: 28/140页
文件大小: 1694K
代理商: M37641F8FP
7641 Group
Rev.4.00
Aug 28, 2006
page 121 of 135
REJ03B0191-0400
qBlock Erase Command
This command erases the contents of the specifided block. Ex-
ecute the block erase command as explained here following.
(1) Transfer the “2016” command code with the 1st byte.
(2) Transfer addresses AB8 to AB15 and AB16 to AB23 with the 2nd
and 3rd bytes respectively.
(3) Transfer the verify command code “D016” with the 4th byte.
With the verify command code, the erase operation will start
for the specifided block in the flash memory. Set the addresses
AB8 to AB23 to the maximum address of the specified block.
2016
D016
SCLK
SRXD
STXD
SRDY(BUSY)
AB8 to
AB15
AB16 to
AB23
When block erasing ends, the SRDY (BUSY) signal changes from
“H” to “L” level. The result of the erase operation can be known by
reading the status register.
For more information, see the section on the status register.
Fig. 102 Timing for block erasing
qErase All Blocks Command
This command erases the contents of all blocks. Execute the
erase all blocks command as explained here following.
(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 erase operation will start
and continue for all blocks in the flash memory.
When erase all blocks end, the SRDY (BUSY) signal changes
from “H” to “L” level. The result of the erase operation can be
known by reading the status register.
A716
D016
SCLK
SRXD
STXD
SRDY (BUSY)
Fig. 103 Timing for erase all blocks
相关PDF资料
PDF描述
M37641M8-XXXFP 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP80
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