NEC 78K0 User Manual page 60

Address Special Function Register (SFR) Name
FF00H Port register 0
FF01H Port register 1
FF02H Port register 2
FF03H Port register 3
FF06H Port register 6
FF07H Port register 7
FF08H A/D conversion result register
FF09H
FF0AH Receive buffer register 6
FF0BH Transmit buffer register 6
FF0CH Port register 12
FF0DH Port register 13
FF0FH Serial I/O shift register 10
FF10H 16-bit timer counter 00
FF11H
FF12H 16-bit timer capture/compare register 000
FF13H
FF14H 16-bit timer capture/compare register 010
FF15H
FF16H 8-bit timer counter 50
FF17H 8-bit timer compare register 50
FF18H 8-bit timer H compare register 00
FF19H 8-bit timer H compare register 10
FF1AH 8-bit timer H compare register 01
FF1BH 8-bit timer H compare register 11
FF1FH 8-bit timer counter 51
FF20H Port mode register 0
FF21H Port mode register 1
FF23H Port mode register 3
FF26H Port mode register 6
FF27H Port mode register 7
FF28H A/D converter mode register
FF29H Analog input channel specification register
FF2AH Power-fail comparison mode register
FF2BH Power-fail comparison threshold register
FF2CH Port mode register 12
FF30H Pull-up resistor option register 0
FF31H Pull-up resistor option register 1
FF33H Pull-up resistor option register 3
FF37H Pull-up resistor option register 7
60
CHAPTER 3 CPU ARCHITECTURE
Table 3-5. Special Function Register List (1/3)
Symbol
P0
P1
P2
P3
P6
P7
ADCR
RXB6
TXB6
P12
P13
SIO10
TM00
CR000
CR010
TM50
CR50
CMP00
CMP10
CMP01
CMP11
TM51
PM0
PM1
PM3
PM6
PM7
ADM
ADS
PFM
PFT
PM12
PU0
PU1
PU3
PU7
User's Manual U16227EJ2V0UD
R/W Manipulatable Bit Unit
1 Bit 8 Bits
√ √
R/W
√ √
R/W
√ √
R
√ √
R/W
√ √
R/W
√ √
R/W
− −
R
− √
R
− √
R/W
√ √
R/W
√ √
R/W
− √
R
− −
R
− −
R/W
− −
R/W
− √
R
− √
R/W
− √
R/W
− √
R/W
− √
R/W
− √
R/W
− √
R
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
− √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
After
Reset
16 Bits
−
00H
−
00H
−
Undefined
−
00H
−
00H
−
00H
√
Undefined
−
FFH
−
FFH
−
00H
−
00H
−
00H
√
0000H
√
0000H
√
0000H
−
00H
−
00H
−
00H
−
00H
−
00H
−
00H
−
00H
−
FFH
−
FFH
−
FFH
−
FFH
−
FFH
−
00H
−
00H
−
00H
−
00H
−
FFH
−
00H
−
00H
−
00H
−
00H