R01UH0092EJ0110 Rev.1.10
Page 666 of 807
Jul 31, 2012
M16C/64C Group
30. Flash Memory
30.3.5
Flash Memory Control Register 6 (FMR6)
When accessing the FMR6 register, select a CPU clock frequency of 10 MHz or less by setting the
CM06 bit in the CM0 register and bits CM17 and CM16 in the CM1 register. Also, set the PM17 bit in
the PM1 register to 1 (wait state).
FMR60 (EW1 mode select bit) (b0)
To set the FMR60 bit to 1, write 1 when both FMR01 bit in the FMR0 register and FMR11 bit in the
FMR1 register are 1.
Change the FMR60 bit when the PM24 bit in the PM2 register is 0 (
NMI
interrupt disabled) or high is
input to the
NMI
pin. Also, change this bit when the FMR00 bit in the FMR0 register is 1 (ready).
FMR61 (b1)
Set the FMR61 bit to 1 when using CPU rewrite mode.
b7
1
0
b6 b5 b4
b1
b2
b3
Symbol
FMR6
Address
0230h
Reset Value
XX0X XX00b
b0
Function
Bit Symbol
Bit Name
RW
Flash Memory Control Register 6
RW
FMR61
Reserved bit
Set to 1
RW
FMR60
EW1 mode select bit
0 : EW0 mode
1 : EW1 mode
RO
—
(b4-b2)
Reserved bits
The read value is undefined.
RO
—
(b7-b6)
RW
—
(b5)
Reserved bit
Set to 0
Reserved bits
The read value is undefined.
Содержание M16C Series
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