Z80182 Zilog., Z80182 Datasheet - Page 40
Z80182
Manufacturer Part Number
Z80182
Description
Z8018x Family MPU
Manufacturer
Zilog.
Datasheet
1.Z80182.pdf
(109 pages)
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Zilog
DMA REGISTERS (Continued)
3-40
Upon Reset
Upon Reset
R/W
R/W
Bit
Bit
DSTAT
DMODE
DE1
R/W
DM1, 0
MMOD
0
1
-
00
01
10
11
0
1
DE0
R/W
0
-
1
Destination
Cycle Steal Mode
Burst Mode
I/O
/DWE1
M
M
M
DM1
Mode
W
R/W
1
0
/DWE0
DM0
DAR0 Fixed
DAR0 Fixed
W
R/W
1
0
Figure 40. DMA Status Register
DAR0+1
Figure 41. DMA Mode Registers
Address
DAR0-1
P R E L I M I N A R Y
DIE1
R/W
SM1
R/W
0
0
DIE0
R/W
SM0
R/W
0
0
SM1, 0
00
01
10
11
MMOD
R/W
-
1
0
Addr 30H
Addr 31H
DIME
Source
I/O
R
0
M
M
M
-
1
SAR0 Fixed
SAR0 Fixed
DMA Master Enable
DMA Interrupt Enable 1, 0
DMA Enable Bit Write Enable 1, 0
DMA Enable Ch 1, 0
Memory MODE Select
Ch 0 Source Mode 1, 0
Ch 0 Destination Mode 1, 0
Address
SAR0+1
SAR0-1
Z
ILOG
I
NTELLIGENT
DS971820600
Z80182/Z8L182
P
ERIPHERAL