Z80C30 Datasheet, PDF (52/96 Pages) Zilog, Inc. – CMOS SCC SERIAL COMMUNICATIONS CONTROLLER

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Write Register 6
D7 D6 D5 D4 D3 D2 D1 D0
Sync7
Sync1
Sync7
Sync3
ADR7
ADR7
Sync6 Sync5
Sync0 Sync5
Sync6 Sync5
Sync2 Sync1
ADR6 ADR5
ADR6 ADR5
Sync4
Sync4
Sync4
Sync0
ADR4
ADR4
Sync3 Sync2
Sync3 Sync2
Sync3 Sync2
1
1
ADR3 ADR2
x
x
Sync1
Sync1
Sync1
1
ADR1
x
Sync0
Sync0
Sync0
1
ADR0
x
Monosync, 8 Bits
Monosync, 6 Bits
Bisync, 16 Bits
Bisync, 12 Bits
SDLC
SDLC (Address Range)
Write Register 7
D7 D6 D5 D4 D3 D2 D1 D0
Sync7 Sync6 Sync5 Sync4 Sync3 Sync2 Sync1 Sync0
Sync5 Sync4 Sync3 Sync2 Sync1 Sync0 x
x
Sync15 Sync14 Sync13 Sync12 Sync11 Sync10 Sync9 Sync8
Sync11 Sync10 Sync9 Sync8 Sync7 Sync6 Sync5 Sync4
0
1
1
1
1
1
1
0
Monosync, 8 Bits
Monosync, 6 Bits
Bisync, 16 Bits
Bisync, 12 Bits
SDLC
WR 7’ Prime (85C30 only)
D7 D6 D5 D4 D3 D2 D1 D0
Auto Tx Flag
Auto EOM Reset
Auto RTS Deactivation
Force TxD High
DTR/REQ Fast Mode
Complete CRC Reception
Extended Read Enable
Reserved (Program as 0)
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