M16C/62P Group (M16C/62P, M16C/62PT)
22. Flash Memory Version
Rev.2.41
Jan 10, 2006
Page 292 of 390
REJ09B0185-0241
• D0 to D7: These data buses are read when the read status register command is executed.
• The FMR07 bit (SR5) and FMR06 bit (SR4) are set to “0” by executing the clear status register
command.
• When the FMR07 bit (SR5) or FMR06 bit (SR4) is set to “1,” the program, block erase, erase all
unlocked block and lock bit program commands are not accepted.
Table 22.5
Status Register
Bits in Status
Register
Bit in FMR0
Register
Status name
Definition
Value after
Reset
“0”
“1”
SR0 (D0)
−
Reserved
−
−
−
SR1 (D1)
−
Reserved
−
−
−
SR2 (D2)
−
Reserved
−
−
−
SR3 (D3)
−
Reserved
−
−
−
SR4 (D4)
FMR06
Program status
Terminated normally
Terminated in error
0
SR5 (D5)
FMR07
Erase status
Terminated normally
Terminated in error
0
SR6 (D6)
−
Reserved
−
−
−
SR7 (D7)
FMR00
Sequencer status
Busy
Ready
1
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