M16C30_02 Datasheet, PDF (71/178 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

DMAC
DMA0 source pointer
(b23)
b7
(b19)
b3
(b16)(b15)
b0 b7
Mitsubishi microcomputers
M16C / 30 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
(b8)
b0 b7
b0 Symbol
SAR0
Address
002216 to 002016
When reset
Indeterminate
Function
Transfer address
specification
• Source pointer
Stores the source address
0000016 to FFFFF16
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to be “0”.
RW
DMA0 destination pointer
(b23)
b7
(b19)
b3
(b16)(b15)
b0 b7
(b8)
b0 b7
b0 _Symbol
DAR0
Address
002616 to 002416
When reset
Indeterminate
Function
Transfer address
specification
RW
• Destination pointer
Stores the destination address
0000016 to FFFFF16
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to be “0”.
DMA0 transfer counter
(b15)
b7
(b8)
b0 b7
b0
Symbol
Address
When reset
TCR0
002916, 002816 Indeterminate
Function
• Transfer counter
Set a value one less than the transfer count
Transfer count
specification
RW
000016 to FFFF16
Figure 1.13.4. DMAC register (3)
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