RL78/G1P
CHAPTER 3 CPU ARCHITECTURE
R01UH0895EJ0100 Rev.1.00
40
Nov 29, 2019
Table 3-5. Special Function Register (SFR) List (1/3)
Address
Special Function Register (SFR) Name
Symbol
R/W
Manipulable Bit Range
After Reset
1-bit 8-bit 16-bit
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
FFF06H
Port register 6
P6
R/W
00H
FFF0CH
Port register 12
P12
R/W
Undefined
FFF0DH
Port register 13
P13
R/W
Undefined
FFF10H
Serial data register 00
TXD0/
SIO00
SDR00 R/W
0000H
FFF11H
FFF12H
Serial data register 01
RXD0/
SIO01
SDR01 R/W
0000H
FFF13H
FFF18H
Timer data register 00
TDR00
R/W
0000H
FFF19H
FFF1AH
Timer data register 01
TDR01L TDR01 R/W
00H
FFF1BH TDR01H
00H
FFF1EH
12-bit A/D conversion result register
ADCR
R
0000H
FFF1FH
8-bit A/D conversion result register
ADCRH
R
00H
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
FFF26H
Port mode register 6
PM6
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
FFF38H
External interrupt rising edge enable
register 0
EGP0 R/W
00H
FFF39H
External interrupt falling edge enable
register 0
EGN0 R/W
00H
FFF50H
IICA shift register 0
IICA0
R/W
00H
FFF51H
IICA status register 0
IICS0
R
00H
FFF52H
IICA flag register 0
IICF0
R/W
00H
FFF54H
IICA shift register 1
IICA1
R/W
00H
FFF55H
IICA status register 1
IICS1
R
00H
FFF56H
IICA flag register 1
IICF1
R/W
00H
FFF58H
D/A conversion value setting register 0
DACS0
R/W
0000H
FFF59H
FFF5AH
D/A conversion value setting register 1
DACS1
R/W
0000H
FFF5BH
FFF5CH
D/A converter mode register
DAM
R/W
00H