Z84C90_12 Datasheet, PDF (32/56 Pages) Zilog, Inc. – KIO Serial/Parallel Counter/Timer

Z84C90 KIO Serial/Parallel Counter/Timer
Product Specification
25
D7 D6 D5 D4 D3 D2 D1 D0
Parity enable
Parity even/odd
0 0 Sync modes enable
0 1 1 stop bit/character
1 0 1½ stop bits/character
1 1 2 stop bits/character
0 0 8-bit sync character
0 1 16-bit sync character
1 0 SDLC mode (01111110 flag)
1 1 External sync mode
0 0 X1 clock mode
0 1 X16 clock mode
1 0 X32 clock mode
1 1 X64 clock mode
Figure 26. SIO Write Register 4
D7 D6 D5 D4 D3 D2 D1 D0
00
01
10
11
DTR
Tx CRC enable
RTS
SDLC/CRC-18
Tx enable
Send break
Tx 5 bits or less per character
Tx 7 bits per character
Tx 6 bits per character
Tx 8 bits per character
Figure 27. SIO Write Register 5
PS011804-0612
Register Programming