M16C Datasheet, PDF (75/262 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

DMAC
Preliminary Specifications REV.B
Mitsubishi microcomputers
Specifications in this manual are tentative and subject to change.
M16C / 6N 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
• Source pointer
Stores the source address
Transfer count
specification
0000016 to FFFFF16
Nothing is assigned.
These bits can neither be set nor reset. When read, the value of these bits is “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.
These bits can neither be set nor reset. When read, the value of these bits is “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 counter
Set a value one less than the transfer count
Transfer count
specification
RW
000016 to FFFF16
Figure 7-4. DMAC register (3)
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