参数资料
型号: M38K27M4L-XXXHP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
封装: 10 X 10 MM, 0.50 MM PITCH, PLASTIC, LQFP-64
文件页数: 5/151页
文件大小: 1403K
代理商: M38K27M4L-XXXHP
38K2 Group
Rev.3.00
Oct 15, 2006
page 102 of 147
REJ03B0193-0300
Fig. 148 CPU rewrite mode set/release flowchart
End
Start
Execute read array command or reset flash
memory by setting flash memory reset bit (by
writing “1” and then “0” in succession) (Note 3)
Single-chip mode or Boot mode (Note 1)
Set CPU mode register (Note 2)
Using software command execute erase,
program, or other operation
Jump to control program transferred in memory
other than internal flash memory
(Subsequent operations are executed by control
program in this memory)
Transfer CPU rewrite mode control program to
memory other than internal flash memory
Notes 1: When starting the MCU in the single-chip mode or memory expansion mode, supply
4.5 V to 5.25 V to the CNVss pin until checking the CPU rewrite mode entry flag.
2: Set the system clock division ration selection bits of CPU mode register (bits 6 and
7 at address 003B16).
3: Before exiting the CPU rewrite mode after completing erase or program operation,
always be sure to execute the read array command or reset the flash memory.
Write “0” to CPU rewrite mode select bit
Set CPU rewrite mode select bit to “1” (by
writing “0” and then “1” in succession)
Check CPU rewrite mode entry flag
相关PDF资料
PDF描述
M30302MC-XXXFP 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
M37480E8-XXXSP 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP32
M38034M4H-XXXFP 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64
M30201F6FP 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP56
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