Renesas rl78 User Manual
RL78/G1A
CHAPTER 3 CPU ARCHITECTURE
R01UH0305EJ0200 Rev.2.00
67
Jul 04, 2013
Table 3-5. SFR List (1/5)
Manipulable Bit Range
Address Special Function Register (SFR) Name
Symbol
R/W
1-bit
8-bit
16-bit
After Reset
FFF00H Port register 0
P0
R/W
√
√
−
00H
FFF01H Port register 1
P1
R/W
√
√
−
00H
FFF02H Port register 2
P2
R/W
√
√
−
00H
FFF03H Port register 3
P3
R/W
√
√
−
00H
FFF04H Port register 4
P4
R/W
√
√
−
00H
FFF05H Port register 5
P5
R/W
√
√
−
00H
FFF06H Port register 6
P6
R/W
√
√
−
00H
FFF07H Port register 7
P7
R/W
√
√
−
00H
FFF0CH Port register 12
P12
R/W
√
√
−
Undefined
FFF0DH Port register 13
P13
R/W
√
√
−
Undefined
FFF0EH Port register 14
P14
R/W
√
√
−
00H
FFF0FH Port register 15
P15
R/W
√
√
−
00H
FFF10H TXD0/
SIO00
−
√
FFF11H
Serial data register 00
−
SDR00 R/W
−
−
√
0000H
FFF12H RXD0/
SIO01
−
√
FFF13H
Serial data register 01
−
SDR01 R/W
−
−
√
0000H
FFF18H
FFF19H
Timer data register 00
TDR00
R/W
−
−
√
0000H
FFF1AH
TDR01L
−
√
00H
FFF1BH
Timer data register 01
TDR01H
TDR01 R/W
−
√
√
00H
FFF1EH 12-bit A/D conversion result
register
ADCR R
−
−
√
0000H
FFF1FH
8-bit A/D conversion
result register
result register
ADCRH R
−
√
−
00H
FFF20H Port mode register 0
PM0
R/W
√
√
−
FFH
FFF21H Port mode register 1
PM1
R/W
√
√
−
FFH
FFF22H Port mode register 2
PM2
R/W
√
√
−
FFH
FFF23H Port mode register 3
PM3
R/W
√
√
−
FFH
FFF24H Port mode register 4
PM4
R/W
√
√
−
FFH
FFF25H Port mode register 5
PM5
R/W
√
√
−
FFH
FFF26H Port mode register 6
PM6
R/W
√
√
−
FFH
FFF27H Port mode register 7
PM7
R/W
√
√
−
FFH
FFF2CH Port mode register 12
PM12
R/W
√
√
−
FFH
FFF2EH Port mode register 14
PM14
R/W
√
√
−
FFH
FFF2FH Port mode register 15
PM15
R/W
√
√
−
FFH
FFF30H A/D converter mode register 0
ADM0
R/W
√
√
−
00H
FFF31H Analog input channel
specification register
ADS R/W
√
√
−
00H
FFF32H A/D converter mode register 1
ADM1
R/W
√
√
−
00H