M16C6K7 Datasheet, PDF (70/285 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Rev.1.0
DMAC
Mitsubishi microcomputers
M16C / 6K7 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
DMAi source pointer (i = 0, 1)
(b23)
b7
(b19)
b3
(b16)(b15)
b0 b7
(b8)
b0 b7
b0 Symbol
SAR0
SAR1
Address
002216 to 002016
003216 to 003016
When reset
Indeterminate
Indeterminate
Function
Transfer count
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
DMAi destination pointer (i = 0, 1)
(b23)
b7
(b19)
b3
(b16) (b15)
b0 b7
(b8)
b0 b7
b0 _Symbol
DAR0
DAR1
Address
002616 to 002416
003616 to 003416
When reset
Indeterminate
Indeterminate
Function
Transfer count
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”.
DMAi transfer counter (i = 0, 1)
(b15)
b7
(b8)
b0 b7
b0
Symbol
Address
When reset
TCR0
002916, 002816 Indeterminate
TCR1
003916, 003816 Indeterminate
Function
Transfer count
specification
RW
• Transfer counter
Set a value one less than the transfer count
000016 to FFFF16
Fig.EC-4 DMAC register (3)
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