M30622 Mitsubishi, M30622 Datasheet - Page 76

• Manufacturer Part Number: M30622
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Manufacturer: Mitsubishi

DMAC
Figure 1.16.4. DMAC register (3)
(b23)
(b23)
DMAi transfer counter (i = 0, 1)
DMAi source pointer (i = 0, 1)
DMAi destination pointer (i = 0, 1)
(b15)
b7
b7
b7
(b19)
(b19)
b3
b3
(b16)(b15)
(b16)
(b8)
b0
b0
b0
(b15)
b7
b7
b7
• Transfer counter
• Source pointer
• Destination pointer
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to be “0”.
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to be “0”.
Set a value one less than the transfer count
Stores the source address
Stores the destination address
(b8)
(b8)
b0
b0
b0
b7
b7
76
Function
Function
Function
Symbol
TCR0
TCR1
b0
b0
Symbol
SAR0
SAR1
Symbol
DAR0
DAR1
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
0029
0039
Address
16
16
0022
0032
0026
0036
, 0028
, 0038
00000
Address
00000
Address
16
16
16
16
0000
Transfer count
Transfer count
16
16
Transfer count
to 0020
to 0030
to 0024
to 0034
specification
specification
specification
Mitsubishi microcomputers
16
16
16
to FFFFF
to FFFFF
to FFFF
Indeterminate
Indeterminate
When reset
16
16
16
16
M16C / 62T Group
16
16
Indeterminate
Indeterminate
16
Indeterminate
Indeterminate
When reset
When reset
R W
R W
R W