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CHAPTER 3
CPU ARCHITECTURE
User’s Manual U12697EJ4V1UD
Table 3-6. Special Function Register (SFR) List (3/4)
AddressNote 1
Special Function Register (SFR) Name
Symbol
R/W
Bit Manipulation Unit
After Reset
1 Bit
8 Bits 16 Bits
0FF84H
D/A conversion value setting register 0
DACS0
R/W
√√
—
00H
0FF85H
D/A conversion value setting register 1
DACS1
√√
—
0FF86H
D/A converter mode register 0
DAM0
√√
—
0FF87H
D/A converter mode register 1
DAM1
√√
—
0FF88H
ROM correction control register
CORC
√√
—
0FF89H
ROM correction address register H
CORAH
—
√
—
0FF8AH
ROM correction address register L
CORAL
—
√
0000H
0FF8BH
0FF8DH
External access status enable register
EXAE
√√
—
00H
0FF90H
Serial operation mode register 0
CSIM0
√√
—
0FF91H
Serial operation mode register 1
CSIM1
√√
—
0FF92H
Serial operation mode register 2
CSIM2
√√
—
0FF94H
Serial I/O shift register 0
SIO0
—
√
—
0FF95H
Serial I/O shift register 1
SIO1
—
√
—
0FF96H
Serial I/O shift register 2
SIO2
—
√
—
0FF98H
Real-time output buffer register L
RTBL
—
√
—
0FF99H
Real-time output buffer register H
RTBH
—
√
—
0FF9AH
Real-time output port mode register
RTPM
√√
—
0FF9BH
Real-time output port control register
RTPC
√√
—
0FF9CH
Watch timer mode control register
WTM
√√
—
0FFA0H
External interrupt rising edge enable register 0
EGP0
√√
—
0FFA2H
External interrupt falling edge enable register 0 EGN0
√√
—
0FFA8H
In-service priority register
ISPR
R
√√
—
00H
0FFA9H
Interrupt selection control register
SNMI
R/W
√√
—
0FFAAH
Interrupt mode control register
IMC
√√
—
80H
0FFACH
Interrupt mask flag register 0L
MK0L
MK0
√√√
FFFFH
0FFADH
Interrupt mask flag register 0H
MK0H
√√
0FFAEH
Interrupt mask flag register 1L
MK1L
MK1
√√√
0FFAFH
Interrupt mask flag register 1H
MK1H
√√
0FFB0H
I2C bus control register 0Note 2
IICC0
√√
—
00H
0FFB2H
Serial clock prescaler mode register 0Note 2
SPRM0
√√
—
0FFB4H
Slave address register 0Note 2
SVA0
—
√
—
0FFB6H
I2C bus status register 0Note 2
IICS0
R
√√
—
0FFB8H
Serial shift register 0Note 2
IIC0
R/W
√√
—
Notes 1. These are the values when the LOCATION 0H instruction is executed. When the LOCATION 0FH
instruction is executed, F0000H is added to this value.
2. Only in the
PD784225Y Subseries