參數(shù)資料
型號(hào): R5F211B3DSP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
封裝: 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件頁(yè)數(shù): 193/339頁(yè)
文件大?。?/td> 3220K
代理商: R5F211B3DSP
R8C/1A Group, R8C/1B Group
18. Flash Memory
Rev.1.30
Dec 08, 2006
Page 256 of 315
REJ09B0252-0130
Figure 18.6
FMR1 Register
Flash Memory Control Register 1
Symbol
Address
After Reset
FMR1
01B5h
1000000Xb
Bit Symbol
Bit Name
Function
RW
NOTES :
1.
2.
3.
b3 b2
Set to 0.
0
b1 b0
FMR11
(b4-b2)
10
b7 b6 b5 b4
RW
FMR15
(b0)
Reserved bits
When read, the content is undefined.
EW1 mode select bit(1, 2)
0 : EW0 mode
1 : EW1 mode
Block 0 rew rite disable bit(2,3)
0 : Enables rew rite.
1 : Disables rew rite.
When the FMR01 bit is set to 1 (CPU rew rite mode enabled), bits FMR15 and FMR16 can be w ritten to.
To set this bit to 0, set it to 0 immediately after setting it first to 1.
To set this bit to 1, set it to 1.
(b7)
0
RW
RO
RW
Reserved bit
0 : Enables rew rite.
1 : Disables rew rite.
FMR16
Block 1 rew rite disable bit(2,3)
To set this bit to 1, set it to 1 immediately after setting it first to 0 w hile the FMR01 bit is set to 1 (CPU rew rite mode
enable) . Do not generate an interrupt betw een setting the bit to 0 and setting it to 1.
This bit is set to 0 by setting the FMR01 bit to 0 (CPU rew rite mode disabled).
Reserved bit
Set to 1.
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