參數(shù)資料
型號: M38513E4FP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDSO42
封裝: 0.450 INCH, PLASTIC, SSOP-42
文件頁數(shù): 49/91頁
文件大?。?/td> 1295K
代理商: M38513E4FP
53
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3851 Group
(Built-in 24 KB or more ROM)
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 CPU rewrite mode, set the internal clock frequency 4.0
MHz or less using the main clock division ratio selection bits (bit
6, 7 at 003B16).
(2) Instructions inhibited against use
The instructions which refer to the internal data of the flash
memory cannot be used during CPU rewrite mode .
(3) Interrupts inhibited against use
The interrupts cannot be used during CPU rewrite mode be-
cause they refer to the internal data of the flash memory.
(4) Watchdog timer
In case of the watchdog timer has been running already, the in-
ternal reset generated by watchdog timer underflow does not
happen, because of watchdog timer is always clearing during
program or erase operation.
(5) Reset
Reset is always valid. In case of CNVSS = H when reset is re-
leased, boot mode is active. So the program starts from the ad-
dress contained in address FFFC16 and FFFD16 in boot ROM
area.
相關(guān)PDF資料
PDF描述
M38517M8-XXXFP 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO42
M38517M8-XXXSP 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PDIP42
M38514E6SP 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP42
M38588GCFP 8-BIT, MROM, 6.25 MHz, MICROCONTROLLER, PDSO42
M38749EFT 8-BIT, OTPROM, 6.4 MHz, MICROCONTROLLER, PQFP80
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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