參數(shù)資料
型號(hào): M30201MX-XXXFP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
中文描述: 單片16位CMOS微機(jī)
文件頁數(shù): 129/159頁
文件大?。?/td> 1496K
代理商: M30201MX-XXXFP
Unde
deeopmen
CPU Rewrite Mode
Peimnay
Mitsubishi microcomputers
M30201 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
129
Precautions on CPU Rewrite Mode
Described below are the precautions to be observed when rewriting the flash memory in CPU rewrite
mode.
(1) Operation speed
During erase/program mode, set BCLK to one of the following frequencies by changing the divide
ratio:
5 MHz or less when wait bit (bit 7 at address 0005
16
) = 0 (without internal access wait state)
10 MHz or less when wait bit (bit 7 at address 0005
16
) = 1 (with internal access wait state)
(2) Instructions inhibited against use
The instructions listed below cannot be used during CPU rewrite mode because they refer to the
internal data of the flash memory:
UND instruction, INTO instruction, JMPS instruction, JSRS instruction, and BRK instruction
(3) Interrupts inhibited against use
No interrupts can be used that look up the fixed vector table in the flash memory area. Maskable
interrupts may be used by setting the interrupt vector table in a location outside the flash memory
area.
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參數(shù)描述
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