Z8523L08VEG Datasheet, PDF (46/118 Pages) Zilog, Inc. – Enhanced Serial Communications Controller

Z80230/Z85230/L
Product Specification
41
Table 12. Write Register 4
Bit
7
6
5
4
3
2
1
0
R/W
W
Reset
X
X
X
X
X
1
X
0
R = Read W = Write X = Indeterminate
Bit
Position
R/W
Value Description
7, 6
00 X1 Clock Mode
01 X16 Clock Mode
10 Z32 Clock Mode
11 X64 Clock Mode
5, 4
00 8-Bit Sync Character
01 16-Bit Sync Character
10 SDLC Mode (01111110 Flag)
11 External Sync Mode
3, 2
00 Sync Modes Enable
01 1 Stop Bit/Character
10 1.5 Stop Bits/Character
11 2 Stop Bits/Character
1
Parity EVEN/ODD
0 Odd
1 Even
0
Parity Enable
PS005308-0609
Programming