
CHAPTER 3 CPU FUNCTIONS
User
’
s Manual U15862EJ3V0UD
127
(9/12)
Operable Bit
Address
Function Register Name
Symbol
R/W
1
8
16
After Reset
FFFFFD22H
Clocked serial interface receive buffer register 2
SIRB2
Note 1
R
√
0000H
FFFFFD22H
Clocked serial interface receive buffer register 2L
SIRB2L
Note 1
R
√
00H
FFFFFD24H
Clocked serial interface transmit buffer register 2
SOTB2
Note 1
R/W
√
0000H
FFFFFD24H
Clocked serial interface transmit buffer register 2L
SOTB2L
Note 1
R/W
√
00H
FFFFFD26H
Clocked serial interface read-only receive buffer register 2
SIRBE2
Note 1
R
√
0000H
FFFFFD26H
Clocked serial interface read-only receive buffer register 2L
SIRBE2L
Note 1
R
√
00H
FFFFFD28H
Clocked serial interface first-stage transmit buffer register 2
SOTBF2
Note 1
R/W
√
0000H
FFFFFD28H
Clocked serial interface first-stage transmit buffer register 2L
SOTBF2L
Note 1
R/W
√
00H
FFFFFD2AH
Serial I/O shift register 2
SIO02
Note 1
R/W
√
00H
FFFFFD2AH
Serial I/O shift register 2L
SIO02L
Note 1
R/W
√
0000H
FFFFFD40H
Serial operation mode specification register 0
CSIMA0
R/W
√
√
00H
FFFFFD41H
Serial status register 0
CSIS0
R/W
√
√
00H
FFFFFD42H
Serial trigger register 0
CSIT0
R/W
√
√
00H
FFFFFD43H
Division value selection register 0
BRGCA0
R/W
√
03H
FFFFFD44H
Automatic data transfer address point specification register 0 ADTP0
R/W
√
00H
FFFFFD45H
Automatic data transfer interval specification register 0
ADTI0
R/W
√
00H
FFFFFD46H
Serial I/O shift register A0
SIOA0
R/W
√
√
00H
FFFFFD47H
Automatic data transfer address count register 0
ADTC0
R
√
√
00H
FFFFFD50H
Serial operation mode specification register 1
CSIMA1
Note 2
R/W
√
√
00H
FFFFFD51H
Serial status register 1
CSIS1
Note 2
R/W
√
√
00H
FFFFFD52H
Serial trigger register 1
CSIT1
Note 2
R
√
√
00H
FFFFFD53H
Division value selection register 1
BRGCA1
Note 2
R/W
√
03H
FFFFFD54H
Automatic data transfer address point specification register 1 ADTP1
Note 2
R/W
√
00H
FFFFFD55H
Automatic data transfer interval specification register 1
ADTI1
Note 2
R/W
√
00H
FFFFFD56H
Serial I/O shift register A1
SIOA1
Note 2
R/W
√
√
00H
FFFFFD57H
Automatic data transfer address count register 1
ADTC1
Note 2
R
√
√
00H
FFFFFD80H
IIC shift register 0
IIC0
Note 3
R/W
√
00H
FFFFFD82H
IIC control register 0
IICC0
Note 3
R/W
√
√
00H
FFFFFD83H
Slave address register 0
SVA0
Note 3
R/W
√
00H
FFFFFD84H
IIC clock selection register 0
IICCL0
Note 3
R/W
√
√
00H
FFFFFD85H
IIC function expansion register 0
IICX0
Note 3
R/W
√
√
00H
FFFFFD86H
IIC status register 0
IICS0
Note 3
R
√
√
00H
FFFFFD8AH
IIC flag register 0
IICF0
Note 3
R/W
√
√
00H
FFFFFD90H
IIC shift register 1
IIC1
Note 4
R/W
√
00H
FFFFFD92H
IIC control register 1
IICC01
Note 4
R/W
√
√
00H
FFFFFD93H
Slave address register 1
SVA01
Note 4
R/W
√
00H
FFFFFD94H
IIC clock selection register 1
IICCL01
Note 4
R/W
√
√
00H
FFFFFD95H
IIC function expansion register 1
IICX1
Note 4
R/W
√
√
00H
Notes 1.
Only for the V850ES/KJ1
2.
Only for the V850ES/KG1 and V850ES/KJ1
3.
Only for products with an I
4.
Only for the
μ
PD703216Y, 703217Y, and 70F3217Y
2
C bus