參數(shù)資料
型號: M38K29F8LFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64
文件頁數(shù): 6/151頁
文件大?。?/td> 1403K
代理商: M38K29F8LFP
38K2 Group
Rev.3.00
Oct 15, 2006
page 103 of 147
REJ03B0193-0300
Notes on CPU Rewrite Mode
Take the notes described below when rewriting the flash memory
in CPU rewrite mode.
qOperation speed
During CPU rewrite mode, set the internal clock
φ to 1.5 MHz or
less using the system clock division ratio selection bits (bits 6 and
7 of address 003B16).
qInstructions inhibited against use
The instructions which refer to the internal data of the flash
memory cannot be used during CPU rewrite mode .
qInterrupts inhibited against use
The interrupts cannot be used during CPU rewrite mode because
they refer to the internal data of the flash memory.
qWatchdog timer
If the watchdog timer has been already activated, internal reset
due to an underflow will not occur because the watchdog timer is
surely cleared during program or erase.
qReset
Reset is always valid. The MCU is activated using the boot mode
at release of reset in the condition of CNVss = “H”, so that the pro-
gram will begin at the address which is stored in addresses
FFFC16 and FFFD16 of the boot ROM area.
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相關(guān)代理商/技術(shù)參數(shù)
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