Z84C90_12 Datasheet, PDF (31/56 Pages) Zilog, Inc. – KIO Serial/Parallel Counter/Timer

Z84C90 KIO Serial/Parallel Counter/Timer
Product Specification
24
D7 D6 D5 D4 D3 D2 D1 D0
V0
V1
V2
V3
V4
Interrupt vector
V5
V6
V7
Figure 24. SIO Write Register 2 (Channel B only)
D7 D6 D5 D4 D3 D2 D1 D0
0 0 Rx 5 bits/character
0 1 Rx 7 bits/character
1 0 Rx 6 bits/character
1 1 Rx 8 bits/character
Rx enable
Sync character load inhibit
Address search mode (SDLC)
Rx CRC enable
Enter hunt phase
Auto enables
Figure 25. SIO Write Register 3
PS011804-0612
Register Programming