參數(shù)資料
型號(hào): M38C24M4A-XXXFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64
文件頁(yè)數(shù): 67/102頁(yè)
文件大小: 1567K
代理商: M38C24M4A-XXXFP
67
38C2 Group (A Version)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to
change.
(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
operated 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 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
Mitsubishi factory. Therefore, using the MCU in standard serial I/O
mode, do not rewrite to the Boot ROM area.
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