Fujitsu FR81S User Manual
CHAPTER 8: DMA CONTROLLER (DMAC)
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : DMA CONTROLLER (DMAC)
FUJITSU SEMICONDUCTOR CONFIDENTIAL
9
4.1. DMA Control Register: DMACR (DMA Control
Register)
This section explains the DMA control register.
The DMA control register is a 32-bit register to control the entire DMAC (all channels). This register must
be accessed as a 32-bit data.
DMACR : Address 0DF8
H
(Access: Word)
bit31
bit30
bit29
bit28
bit27
bit26
bit25
bit24
DME
Reserved
Initial value
0
0
0
0
0
0
0
0
Attribute R/W
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
bit23
bit22
bit21
bit20
bit19
bit18
bit17
bit16
Reserved
Initial value
0
0
0
0
0
0
0
0
Attribute R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
AT
Reserved
Initial value
0
0
0
0
0
0
0
0
Attribute R/W
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Reserved
Initial value
0
0
0
0
0
0
0
0
Attribute R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
MB91520 Series
MN705-00010-1v0-E
308