M30222 Datasheet, PDF (62/237 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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Specifications in this manual are tentative and subject to change
MITSUBISHI MICROCOMPUTERS
M30222 Group
Rev. G
Direct Memory Access Controller
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
RW
• Source pointer
Stores the source address
0000016 to FFFFF16
Nothing is assigned.
Write "0" when writing to these bits. If read, the value is "0".
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.
Write "0" when writing to these bits. If read, the value 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
Fig. 1.42. DMAC register (3)
1-63