参数资料
型号: M38C29FFAFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 5 MHz, MICROCONTROLLER, PQFP64
封装: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64
文件页数: 71/104页
文件大小: 1327K
代理商: M38C29FFAFP
Rev.2.00
May 28, 2004
page 67 of 100
38C2 Group (A Version)
(2) 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 38C2 Group group (A
version)’s flash memory version. 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 61 can be rewritten. Both areas of flash memory can be oper-
ated on in the same way.
Program and block erase operations can be performed only in the
User ROM area.
The Boot ROM area is 4 Kbytes in size and located at addresses
F00016 through FFFF16. Make sure program and block erase opera-
tions 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 our factory.
Therefore, using the MCU in standard serial I/O mode, do not rewrite
to the Boot ROM area.
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相关代理商/技术参数
参数描述
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