NEC 78K0S/KA1+ User Manual page 37

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