参数资料
型号: M32180F8TFP
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP240
封装: 32 X 32 MM, 0.50 MM PITCH, PLASTIC, QFP-240
文件页数: 44/139页
文件大小: 3774K
代理商: M32180F8TFP
6
6-9
INTERNAL MEMORY
32180 Group User’s Manual (Rev.1.0)
6.4 Registers Associated with the Internal Flash Memory
Flash Control Register 3 (FCNT3)
<Address: H’0080 01E4>
123456
b7
b0
FELEVEL
0
<After reset: H’00>
b
Bit Name
Function
R
W
0–6
No function assigned. Fix to "0".
00
7
FELEVEL
0: Normal level
R
W
Erase margin-up bit
1: Raise erase margin up
Flash Control Register 3 (FCNT3) controls the depth of erase levels when erasing the internal flash memory with one
of erase commands. The internal flash memory erase level can be deepened by setting the FELEVEL bit to "1".
Flash Control Register 4 (FCNT4)
<Address: H’0080 01E5>
9
1011121314
b15
b8
FRESET
0
<After reset: H’00>
b
Bit Name
Function
R
W
8–14
No function assigned. Fix to "0".
00
15
FRESET
0: No operation
R
W
Flash reset bit
1: Reset
Flash Control Register 4 (FCNT4) controls initializing each status bit of Flash Status Register 2 (FSTAT2) or
canceling a programming/erase operation.
Setting the FRESET bit to "1" initializes each status bit of the FSTAT2 register or cancels a programming/erase
operation.
The FRESET bit is effective only when the FENTRY bit = "1". If the FENTRY bit = "0", the FRESET bit informa-
tion is ignored.
When programming or easing the internal flash memory, make sure the FRESET bit remains "0".
An example for clearing each status of FSTAT2 during a programming/erase operation, and an example for
forcibly terminating (canceling) a programming/erase operation due to time-out are shown below.
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