Z8523016VEG Datasheet, PDF (68/118 Pages) Zilog, Inc. – Enhanced Serial Communications Controller

Z80230/Z85230/L
Product Specification
63
Table 34. Read Register 9
Bit
7
6
5
4
3
2
1
0
R/W
R
Hardware Reset
1
1
0
0
0
0
X
X
Channel Reset
X
X
0
X
X
X
X
X
R = Read W = Write X = Indeterminate
Bit
Position
R/W Value Description
7, 6
00 No Reset
01 Channel Reset B
10 Channel Reset A
11 Force Hardware Reset
5
Software INTACK Enable
4
Status High/Status Low
0 Low
1 High
3
Master Interrupt Enable
2
Disable Lower Chain
1
No Vector
0
Vector Includes Status
To access this register WR7’ bit 6 must be enabled.
PS005308-0609
Programming