z80c30 ZiLOG Semiconductor, z80c30 Datasheet - Page 53

• Manufacturer Part Number: z80c30
• Description: Cmos Scc Serial Communications Controller
• Manufacturer: ZiLOG Semiconductor

Write Register 9
Write Register 11
Write Register 9
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
0
0
1
1
0
1
0
1
0
0
1
1
0
0
1
1
No Reset
Channel Reset B
Channel Reset A
Force Hardware Reset
1
1
0
1
0
1
0
0
NRZ
FM1 (Transition = 1)
Receive Clock = RTxC Pin
Receive Clock = TRxC Pin
Receive Clock = BR Generator Output
Receive Clock = DPLL Output
NRZI
FM1 (Transition = 0)
0
0
1
1
0
1
0
1
Transmit Clock = TRxC Pin
Transmit Clock = RTxC Pin
Transmit Clock = BR Generator Output
Transmit Clock = DPLL Output
0
0
1
1
0
1
0
1
TRxC Out = Xtal Output
TRxC Out = Transmit Clock
TRxC Out = BR Generator Output
TRxC Out = DPLL Output
VIS
NV
DLC
MIE
Status High/Status Low
Software INTACK Enable
TRxC O/I
6-Bit/8-Bit Sync
Loop Mode
Abort/Flag on Underrun
Mark/Flag Idle
Go Active on Poll
CRC Preset I/O
RTxC Xtal/No Xtal
Write Register 14
Write Register 9
Write Register 13
Write Register 15
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Null Command
Enter Search Mode
Reset Missing Clock
Disable DPLL
Set Source = BR Generator
Set FM Mode
Set NRZI Mode
Set Source = RTxC
TC11
TC14
TC15
TC0
TC1
TC3
TC4
TC6
TC7
TC8
TC9
TC10
TC12
TC13
DTR/Request Function
TC2
TC5
BR Generator Enable
BR Generator Source
Auto Echo
Local Loopback
Sync/Hunt IE
CTS IE
0
Zero Count IE
SDLC FIFO Enable
DCD IE
Tx Underrun/EOM IE
Break/Abort IE
Time Constant
Lower Byte of
Upper Byte of
Time Constant