Datasheet

RL78/L12 CHAPTER 3 CPU ARCHITECTURE
R01UH0330EJ0200 Rev.2.00 69
Dec 13, 2013
Table 3-5. SFR List (1/4)
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
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
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 10-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
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
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
FFF34H Key return control register KRCTL R/W
√ √ −
00H
FFF35H Key return flag register KRF R/W
− √ −
00H
FFF37H Key return mode register 0 KRM0 R/W
√ √ −
00H