RL78/G1P
CHAPTER 3 CPU ARCHITECTURE
R01UH0895EJ0100 Rev.1.00
41
Nov 29, 2019
Table 3-5. Special Function Register (SFR) (2/3)
Address
Special Function Register (SFR) Name
Symbol
R/W
Manipulable Bit Range
After Reset
1-bit 8-bit 16-bit
FFF64H
Timer data register 02
TDR02
R/W
0000H
FFF65H
FFF66H
Timer data register 03
TDR03L TDR03 R/W
00H
FFF67H TDR03H
00H
FFFA0H
Clock operation mode control register
CMC
R/W
00H
FFFA1H
Clock operation status control register
CSC
R/W
C0H
FFFA2H Oscillation
stabilization time counter status
register
OSTC R
00H
FFFA3H
Oscillation stabilization time select register OSTS
R/W
07H
FFFA4H
System clock control register
CKC
R/W
00H
FFFA5H
Clock output select register 0
CKS0
R/W
00H
FFFA6H
Clock output select register 1
CKS1
R/W
00H
FFFA8H
Reset control flag register
RESF
R
Undefined
Note 1
FFFA9H
Voltage detection register
LVIM
R/W
00H
Note 2
FFFAAH Voltage detection level register
LVIS
R/W
00H/01H/81H
Note 3
FFFABH Watchdog timer enable register
WDTE
R/W
1AH/9AH
Note 4
FFFACH CRC input register
CRCIN
R/W
00H
FFFB0H
DMA SFR address register 0
DSA0
R/W
00H
FFFB1H
DMA SFR address register 1
DSA1
R/W
00H
FFFB2H
DMA RAM address register 0L
DRA0L DRA0
R/W
00H
FFFB3H
DMA RAM address register 0H
DRA0H
R/W
00H
FFFB4H
DMA RAM address register 1L
DRA1L DRA1
R/W
00H
FFFB5H
DMA RAM address register 1H
DRA1H
R/W
00H
FFFB6H
DMA byte count register 0L
DBC0L DBC0
R/W
00H
FFFB7H
DMA byte count register 0H
DBC0H
R/W
00H
FFFB8H
DMA byte count register 1L
DBC1L DBC1
R/W
00H
FFFB9H
DMA byte count register 1H
DBC1H
R/W
00H
FFFBAH DMA mode control register 0
DMC0
R/W
00H
FFFBBH DMA mode control register 1
DMC1
R/W
00H
FFFBCH DMA operation control register 0
DRC0
R/W
00H
FFFBDH DMA operation control register 1
DRC1
R/W
00H
Notes 1.
The reset value of the RESF register varies depending on the reset source.
2.
The reset value of the LVIM register varies depending on the reset source.
3.
The reset value of the LVIS register varies depending on the reset source and the setting of the option byte.
4.
The reset value of the WDTE register is determined by the setting of the option byte.