
CHAPTER 3 CPU FUNCTION
87
Preliminary User’s Manual U16031EJ2V1UD
(3/26)
Bit Units for Manipulation
Address
Function Register Name
Symbol
R/W
1 Bit
8 Bits 16 Bits
After Reset
FFFFF09EH
DMA destination address register 3H
DDA3H
R/W
√
Undefined
FFFFF0C0H
DMA transfer count register 0
DBC0
R/W
√
Undefined
FFFFF0C2H
DMA transfer count register 1
DBC1
R/W
√
Undefined
FFFFF0C4H
DMA transfer count register 2
DBC2
R/W
√
Undefined
FFFFF0C6H
DMA transfer count register 3
DBC3
R/W
√
Undefined
FFFFF0D0H
DMA addressing control register 0
DADC0
R/W
√
0000H
FFFFF0D2H
DMA addressing control register 1
DADC1
R/W
√
0000H
FFFFF0D4H
DMA addressing control register 2
DADC2
R/W
√
0000H
FFFFF0D6H
DMA addressing control register 3
DADC3
R/W
√
0000H
FFFFF0E0H
DMA channel control register 0
DCHC0
R/W
√√
00H
FFFFF0E2H
DMA channel control register 1
DCHC1
R/W
√√
00H
FFFFF0E4H
DMA channel control register 2
DCHC2
R/W
√√
00H
FFFFF0E6H
DMA channel control register 3
DCHC3
R/W
√√
00H
FFFFF100H
Interrupt mask register 0
IMR0
R/W
√
FFFFH
FFFFF100H
Interrupt mask register 0L
IMR0L
R/W
√√
FFH
FFFFF101H
Interrupt mask register 0H
IMR0H
R/W
√√
FFH
FFFFF102H
Interrupt mask register 1
IMR1
R/W
√
FFFFH
FFFFF102H
Interrupt mask register 1L
IMR1L
R/W
√√
FFH
FFFFF103H
Interrupt mask register 1H
IMR1H
R/W
√√
FFH
FFFFF104H
Interrupt mask register 2
IMR2
R/W
√
FFFFH
FFFFF104H
Interrupt mask register 2L
IMR2L
R/W
√√
FFH
FFFFF105H
Interrupt mask register 2H
IMR2H
R/W
√√
FFH
FFFFF106H
Interrupt mask register 3
IMR3
R/W
√
FFFFH
FFFFF106H
Interrupt mask register 3L
IMR3L
R/W
√√
FFH
FFFFF107H
Interrupt mask register 3H
IMR3H
R/W
√√
FFH
FFFFF108H
Interrupt mask register 4
IMR4
R/W
√
FFFFH
FFFFF108H
Interrupt mask register 4L
IMR4L
R/W
√√
FFH
FFFFF109H
Interrupt mask register 4H
IMR4H
R/W
√√
FFH
FFFFF10AH
Interrupt mask register 5
IMR5
R/W
√
FFFFH
FFFFF10AH
Interrupt mask register 5L
IMR5L
R/W
√√
FFH
FFFFF10BH
Interrupt mask register 5H
IMR5H
R/W
√√
FFH
FFFFF110H
Interrupt control register 0
P1IC0
R/W
√√
47H
FFFFF112H
Interrupt control register 1
P1IC1
R/W
√√
47H
FFFFF114H
Interrupt control register 2
P2IC1
R/W
√√
47H
FFFFF116H
Interrupt control register 3
P2IC2
R/W
√√
47H
FFFFF118H
Interrupt control register 4
P2IC3
R/W
√√
47H
FFFFF11AH
Interrupt control register 5
P2IC4
R/W
√√
47H
FFFFF11CH
Interrupt control register 6
P2IC5
R/W
√√
47H