CHAPTER 3 CPU FUNCTIONS
(11/12)
Operable Bit
Address
Function Register Name
CSIA0 buffer RAM D
Symbol
R/W
After Reset
1
8
16
FFFFFE1AH
CSIA0BD
CSIA0BDL
CSIA0BDH
CSIA0BE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
√
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
FFFFFE1AH CSIA0 buffer RAM DL
FFFFFE1BH CSIA0 buffer RAM DH
√
√
FFFFFE1CH
CSIA0 buffer RAM E
√
√
√
√
√
√
√
√
√
√
√
√
√
FFFFFE1CH CSIA0 buffer RAM EL
FFFFFE1DH CSIA0 buffer RAM EH
CSIA0BEL
CSIA0BEH
CSIA0BF
√
√
FFFFFE1EH
CSIA0 buffer RAM F
FFFFFE1EH CSIA0 buffer RAM FL
FFFFFE1FH CSIA0 buffer RAM FH
CSIA0BFL
CSIA0BFH
CSIA1B0Note
CSIA1B0LNote R/W
CSIA1B0HNote R/W
CSIA1B1Note
CSIA1B1LNote R/W
CSIA1B1HNote R/W
CSIA1B2Note
CSIA1B2LNote R/W
CSIA1B2HNote R/W
CSIA1B3Note
CSIA1B3LNote R/W
CSIA1B3HNote R/W
CSIA1B4Note
CSIA1B4LNote R/W
CSIA1B4HNote R/W
CSIA1B5Note
CSIA1B5LNote R/W
CSIA1B5HNote R/W
CSIA1B6Note
CSIA1B6LNote R/W
CSIA1B6HNote R/W
CSIA1B7Note
CSIA1B7LNote R/W
CSIA1B7HNote R/W
√
√
FFFFFE20H
CSIA1 buffer RAM 0
FFFFFE20H CSIA1 buffer RAM 0L
FFFFFE21H CSIA1 buffer RAM 0H
√
√
FFFFFE22H
CSIA1 buffer RAM 1
R/W
FFFFFE22H CSIA1 buffer RAM 1L
FFFFFE23H CSIA1 buffer RAM 1H
√
√
FFFFFE24H
CSIA1 buffer RAM 2
R/W
FFFFFE24H CSIA1 buffer RAM 2L
FFFFFE25H CSIA1 buffer RAM 2H
√
√
FFFFFE26H
CSIA1 buffer RAM 3
R/W
FFFFFE26H CSIA1 buffer RAM 3L
FFFFFE27H CSIA1 buffer RAM 3H
√
√
FFFFFE28H
CSIA1 buffer RAM 4
R/W
FFFFFE28H CSIA1 buffer RAM 4L
FFFFFE29H CSIA1 buffer RAM 4H
√
√
FFFFFE2AH
CSIA1 buffer RAM 5
R/W
FFFFFE2AH CSIA1 buffer RAM 5L
FFFFFE2BH CSIA1 buffer RAM 5H
√
√
FFFFFE2CH
CSIA1 buffer RAM 6
R/W
FFFFFE2CH CSIA1 buffer RAM 6L
FFFFFE2DH CSIA1 buffer RAM 6H
√
√
FFFFFE2EH
CSIA1 buffer RAM 7
R/W
FFFFFE2EH CSIA1 buffer RAM 7L
FFFFFE2FH CSIA1 buffer RAM 7H
√
√
FFFFFE30H
CSIA1 buffer RAM 8
CSIA1B8Note
CSIA1B8LNote R/W
CSIA1B8HNote R/W
R/W
FFFFFE30H CSIA1 buffer RAM 8L
FFFFFE31H CSIA1 buffer RAM 8H
√
√
FFFFFE32H
CSIA1 buffer RAM 9
CSIA1B9Note
R/W
FFFFFE32H CSIA1 buffer RAM 9L
FFFFFE33H CSIA1 buffer RAM 9H
CSIA1B9LNote R/W
CSIA1B9HNote R/W
CSIA1BANote R/W
CSIA1BALNote R/W
CSIA1BAHNote R/W
√
√
FFFFFE34H
CSIA1 buffer RAM A
FFFFFE34H CSIA1 buffer RAM AL
FFFFFE35H CSIA1 buffer RAM AH
√
√
Note Only for the V850ES/KG1 and V850ES/KJ1
User’s Manual U15862EJ3V0UD
129
NEC [ NEC ]
