Z8L180 ZILOG [Zilog, Inc.], Z8L180 Datasheet - Page 317

• Manufacturer Part Number: Z8L180
• Description: Z8018x Family MPU
• Manufacturer: ZILOG [Zilog, Inc.]

Register
DMA/WAIT Control
Register:
Table 57. Internal I/O Registers (Continued)
DCNTL
Mnemonics Address
3
2
during RESET
R/W
bit
MWI1,0
DIM1,0
DMSi
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
1
0
MWI1
R/W
1
The number of
wait states
Level sense
Transfer Mode
Edge sense
Sense
M I/O
M I/O
I/O M
I/O M
0
1
2
3
MWI0
R/W
Memory Wait Insertion
1
Remarks
IWI1
R/W
1
Address Increment/Decrement
MAR1+1
MAR1-1
IAR1 fixed
IAR1 fixed
MPU User Manual
IWI0
R/W
IWI1,0
I/O Wait Insertion
1
UM005001-ZMP0400
0 0
0 1
1 0
1 1
Z8018x Family
IAR1 fixed
IAR1 fixed
MAR1+1
MAR1-1
DMS1
R/W
0
The number of
wait states
0
2
3
4
DMS0
0
R/W
DREQi Select, i=1,0
DIMA1 DIMA0
R/W
0
R/W
0
DMA Ch 1
I/O Memory
Mode Select
301