參數(shù)資料
型號： M38504E6SS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CDIP42
封裝： 0.600 INCH, 1.78 MM PITCH, WINDOWED, SHRINK, METAL SEALED, CERAMIC, DIP-42
文件頁數(shù)： 51/99頁
文件大小： 1419K
代理商： M38504E6SS
55
3850 Group (Spec. H/A)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
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 6.25
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
M38507F8FP 8-BIT, FLASH, 12.5 MHz, MICROCONTROLLER, PDSO42
M38504E6-XXXSP 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP42
M38507M8A-XXXSP 8-BIT, MROM, 6.25 MHz, MICROCONTROLLER, PDIP42
M38504M6A-XXXFP 8-BIT, MROM, 6.25 MHz, MICROCONTROLLER, PDSO42
M38503M4A-XXXSP 8-BIT, MROM, 6.25 MHz, MICROCONTROLLER, PDIP42
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M38504M6202F 制造商:Panasonic Industrial Company 功能描述:SUB ONLY IC
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M38507ARLSS 功能描述:M-SUPPORT TOOL RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 配件 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program RoHS指令信息:IButton RoHS Compliance Plan 標(biāo)準(zhǔn)包裝:1 系列:- 附件類型:USB 至 1-Wire? RJ11 適配器 適用于相關(guān)產(chǎn)品:1-Wire? 設(shè)備 產(chǎn)品目錄頁面:1429 (CN2011-ZH PDF)
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M38507F8AFP#W1 制造商:Renesas Electronics Corporation 功能描述:MCU 3/5V 32K PB-FREE 42-SSOP T&R - Tape and Reel
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