CHAPTER 3 CPU FUNCTIONS
(10/12)
Operable Bit
Address
Function Register Name
IIC status register 1
Symbol
R/W
After Reset
1
√
√
8
√
√
16
FFFFFD96H
FFFFFD9AH
FFFFFE00H
IICS01Note
IICF1Note
R
00H
IIC flag register 1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
00H
CSIA0 buffer RAM 0
CSIA0B0
√
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
FFFFFE00H CSIA0 buffer RAM 0L
FFFFFE01H CSIA0 buffer RAM 0H
CSIA0B0L
CSIA0B0H
CSIA0B1
√
√
FFFFFE02H
CSIA0 buffer RAM 1
√
FFFFFE02H CSIA0 buffer RAM 1L
FFFFFE03H CSIA0 buffer RAM 1H
CSIA0B1L
CSIA0B1H
CSIA0B2
√
√
FFFFFE04H
CSIA0 buffer RAM 2
√
FFFFFE04H CSIA0 buffer RAM 2L
FFFFFE05H CSIA0 buffer RAM2H
CSIA0B2L
CSIA0B2H
CSIA0B3
√
√
FFFFFE06H
CSIA0 buffer RAM 3
√
√
√
√
√
√
√
√
√
√
FFFFFE06H CSIA0 buffer RAM 3L
FFFFFE07H CSIA0 buffer RAM 3H
CSIA0B3L
CSIA0B3H
CSIA0B4
√
√
FFFFFE08H
CSIA0 buffer RAM 4
FFFFFE08H CSIA0 buffer RAM 4L
FFFFFE09H CSIA0 buffer RAM 4H
CSIA0B4L
CSIA0B4H
CSIA0B5
√
√
FFFFFE0AH
CSIA0 buffer RAM 5
FFFFFE0AH CSIA0 buffer RAM 5L
FFFFFE0BH CSIA0 buffer RAM 5H
CSIA0B5L
CSIA0B5H
CSIA0B6
√
√
FFFFFE0CH
CSIA0 buffer RAM 6
FFFFFE0CH CSIA0 buffer RAM 6L
FFFFFE0DH CSIA0 buffer RAM 6H
CSIA0B6L
CSIA0B6H
CSIA0B7
√
√
FFFFFE0EH
CSIA0 buffer RAM 7
FFFFFE0EH CSIA0 buffer RAM 7L
FFFFFE0FH CSIA0 buffer RAM 7H
CSIA0B7L
CSIA0B7H
CSIA0B8
√
√
FFFFFE10H
CSIA0 buffer RAM 8
FFFFFE10H CSIA0 buffer RAM 8L
FFFFFE11H CSIA0 buffer RAM 8H
CSIA0B8L
CSIA0B8H
CSIA0B9
√
√
FFFFFE12H
CSIA0 buffer RAM 9
FFFFFE12H CSIA0 buffer RAM 9L
FFFFFE13H CSIA0 buffer RAM 9H
CSIA0B9L
CSIA0B9H
CSIA0BA
CSIA0BAL
CSIA0BAH
CSIA0BB
CSIA0BBL
CSIA0BBH
CSIA0BC
CSIA0BCL
CSIA0BCH
√
√
FFFFFE14H
CSIA0 buffer RAM A
FFFFFE14H CSIA0 buffer RAM AL
FFFFFE15H CSIA0 buffer RAM AH
√
√
FFFFFE16H
CSIA0 buffer RAM B
FFFFFE16H CSIA0 buffer RAM BL
FFFFFE17H CSIA0 buffer RAM BH
√
√
FFFFFE18H
CSIA0 buffer RAM C
FFFFFE18H CSIA0 buffer RAM CL
FFFFFE19H CSIA0 buffer RAM CH
√
√
Note Only for the µPD703216Y, 703217Y, and 70F3217Y
User’s Manual U15862EJ3V0UD
128
NEC [ NEC ]
