R01UH0092EJ0110 Rev.1.10
Page 663 of 807
Jul 31, 2012
M16C/64C Group
30. Flash Memory
30.3.2
Flash Memory Control Register 1 (FMR1)
FMR11 (Write to FMR6 register enable bit) (b1)
Change FMR11 bit when the PM24 bit in the PM2 register is 0 (
NMI
interrupt disabled) or high is input
to the
NMI
pin.
FMR16 (Lock bit status flag) (b6)
This bit indicates the execution result of the read lock bit status command.
FMR17 (Data flash wait bit) (b7)
This bit is used to select the number of waits for data flash.
When setting this bit to 0, one wait is inserted to the read cycle of the data flash. The write cycle is not
affected.
b7
0
b6 b5 b4
b1
b2
b3
Symbol
FMR1
Address
0221h
Reset Value
00X0 XX0Xb
b0
Function
Bit Symbol
Bit Name
RW
Flash Memory Control Register 1
RW
FMR11
Write to FMR6 register
enable bit
0 : Disabled
1 : Enabled
RO
—
(b0)
Reserved bit
The read value is undefined.
RO
—
(b3-b2)
Reserved bits
The read value is undefined.
—
—
(b5)
No register bit. If necessary, set to 0. The read value is undefined.
RW
—
(b4)
Reserved bit
Set to 0
RW
FMR17
Data flash wait bit
0 : 1 wait
1 : Follow the setting of the PM17 bit in the
PM1 register
RO
FMR16
Lock bit status flag
0 : Lock
1 : Unlock
Содержание M16C Series
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