參數(shù)資料
型號: M38049FFHKP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64
文件頁數(shù): 107/116頁
文件大小: 1261K
代理商: M38049FFHKP
Rev.1.01
Jan 25, 2005
page 90 of 114
REJ03B0131-0101Z
3804 Group (Spec. H)
q Parallel I/O Mode
The parallel I/O mode is used to input/output software commands,
address and data in parallel for operation (read, program and
erase) to internal flash memory.
Use the external device (writer) only for 3804 Group (spec. H). For
details, refer to the user’s manual of each writer manufacturer.
User ROM and Boot ROM Areas
In parallel I/O mode, the User ROM and Boot ROM areas shown
in Figure 77 can be rewritten. Both areas of flash memory can be
operated on in the same way.
The Boot ROM area is 4 Kbytes in size and located at addresses
F00016 through FFFF16. Make sure program and block erase op-
erations are always performed within this address range. (Access
to any location outside this address range is prohibited.)
In the Boot ROM area, an erase block operation is applied to only
one 4 Kbyte block. The boot ROM area has had a standard serial
I/O mode control program stored in it when shipped from the fac-tory.
Therefore, using the MCU in standard serial I/O mode, do not
rewrite to the Boot ROM area.
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