Z8523L08VEG Datasheet, PDF (57/118 Pages) Zilog, Inc. – Enhanced Serial Communications Controller

Z80230/Z85230/L
Product Specification
52
Table 23. Write Register 14
Bit
7
6
5
4
3
2
1
0
R/W
W
Reset
X
X
X
X
X
X
X
X
R = Read W = Write X = Indeterminate
Bit
Position
R/W
Value Description (Upper Byte of Time Constant)
7, 6, 5
4
3
2
1
0
000 Null Command
001 Enter Search Mode
010 Reset Missing Clock
011 Disable DPLL
100 Set source - BRG
101 Set Source = RTxC
110 Set FM Mode
111 Set NRZI Mode
Local Loopback
Auto Echo
DTR/Request Generator Source
BRG Source
BRG Enable
PS005308-0609
Programming