CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16898EJ3V0UD
37
Table 3-3. Special Function Registers (2/2)
Number of Bits Manipulated
Simultaneously
Address
Special Function Register (SFR) Name
Symbol
R/W
1 Bit
8 Bits
16 Bits
After Reset
FF80H
A/D converter mode register
ADM
√
√
−
FF81H
Analog input channel specify register
ADS
√
√
−
FF84H
Port mode control register 2
PMC2
√
√
−
FF8CH
Input switching control register
ISC
√
√
−
00H
FF90H
Asynchronous serial interface operation mode
register 6
ASIM6
R/W
√
√
−
01H
FF92H
Reception buffer register 6
RXB6
−
√
−
FFH
FF93H Asynchronous
serial
interface reception error
status register 6
ASIS6
R
−
√
−
00H
FF94H
Transmission buffer register 6
TXB6
R/W
−
√
−
FFH
FF95H
Asynchronous serial interface transmission status
register 6
ASIF6 R
−
√
−
FF96H
Clock selection register 6
CKSR6
−
√
−
00H
FF97H
Baud rate generator control register 6
BRGC6
−
√
−
FFH
FF98H
Asynchronous serial interface control register 6
ASICL6
R/W
√
√
−
16H
FFA0H
Flash protect command register
PFCMD
W
−
√
−
Undefined
FFA1H
Flash status register
PFS
√
√
−
00H
FFA2H
Flash programming mode control register
FLPMC
−
√
−
Undefined
FFA3H
Flash programming command register
FLCMD
√
√
−
00H
FFA4H
Flash address pointer L
FLAPL
√
√
−
FFA5H
Flash address pointer H
FLAPH
√
√
−
Undefined
FFA6H
Flash address pointer H compare register
FLAPHC
√
√
−
FFA7H
Flash address pointer L compare register
FLAPLC
√
√
−
FFA8H
Flash write buffer register
FLW
−
√
−
FFCCH
8-bit timer mode control register 80
TMC80
R/W
√
√
−
00H
FFCDH
8-bit compare register 80
CR80
W
−
√
−
Undefined
FFCEH
8-bit timer counter 80
TM80
R
−
√
−
FFE0H
Interrupt request flag register 0
IF0
√
√
−
FFE1H
Interrupt request flag register 1
IF1
√
√
−
00H
FFE4H
Interrupt mask flag register 0
MK0
√
√
−
FFE5H
Interrupt mask flag register 1
MK1
√
√
−
FFH
FFECH
External interrupt mode register 0
INTM0
−
√
−
FFEDH
External interrupt mode register 1
INTM1
−
√
−
00H
FFF3H
Preprocessor clock control register
PPCC
√
√
−
02H
FFF4H
Oscillation stabilization time selection register
OSTS
−
√
−
Undefined
Note
FFFBH
Processor clock control register
PCC
R/W
√
√
−
02H
Note
The oscillation stabilization time that elapses after release of reset is selected by the option byte. For
details, refer to
CHAPTER 17 OPTION BYTE
.