Z8523016VEG Datasheet, PDF (59/118 Pages) Zilog, Inc. – Enhanced Serial Communications Controller

Z80230/Z85230/L
Product Specification
54
Table 25. Read Register 0
Bit
7
6
5
4
3
2
1
0
R/W
R
Reset
X
1
X
X
X
1
0
0
R = Read W = Write X = Indeterminate
Bit
Position
R/W
Value Description
7
Break/Abort
6
Tx Underrun/EOM
5
CTS
4
Sync/Hunt
3
DCD Interrupt Enable
2
Tx Buffer Empty
1
Zero Count
0
Rx Character Available
PS005308-0609
Programming