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M16C62P_06 Datasheet, PDF (293/421 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES | |||
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M16C/62P Group (M16C/62P, M16C/62PT)
22. Flash Memory Version
Flash Memory Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
0 00
0 Symbol
FMR1
Address
01B5h
After Reset
0X00XX0Xb
Bit Symbol
Bit Name
Function
RW
â
Reserved Bit
(b0)
The value in this bit w hen read is indeterminate
RO
EW1 Mode Select Bit (1)
0: EW0 mode
FMR11
1: EW1 mode
RW
â
Reserved Bit
(b3-b2)
The value in this bit w hen read is indeterminate
RO
â
Reserved Bit
Set to â0â
(b5-b4)
RW
Lock Bit Status Flag
0: Lock
FMR16
1: Unlock
RO
â
Reserved Bit
(b7)
Set to â0â
RW
NOTES :
1. To set this bit to â1,â w rite â0â and then â1â in succession w hen the FMR01 bit = 1. Make sure no interrupts or DMA
transfers w ill occur before w riting â1â after w riting â0â.
____
Write to this bit w hen the NMI pin is in the high state.
The FMR01 and FMR11 bits both are cleared to â0â by setting the FMR01 bit to â0â.
Figure 22.6 FMR1 Register
Rev.2.41 Jan 10, 2006 Page 278 of 390
REJ09B0185-0241
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