am85c30 Advanced Micro Devices, am85c30 Datasheet - Page 22

• Manufacturer Part Number: am85c30
• Description: Enhanced Serial Communications Controller
• Manufacturer: Advanced Micro Devices

22
D
*Added Enhancement
0
0
1
1
7
D
0
1
0
1
AMD
6
D
No Reset
Channel Reset B
Channel Reset A
Force Hardware Reset
5
Write Register 9
D
4
D
3
D
SYNC
SYNC
SYNC
SYNC
2
0
D
1
7
5
5
11
D
0
SYNC
SYNC
SYNC
SYNC
VIS
NV
DLC
MIE
Status High/Status Low
Interrupt Masking
without INTACK*
1
Figure 9. Write Register Bit Functions (continued)
D
6
4
14
10
7
SYNC
SYNC
SYNC
SYNC
D
6
1
D
D
7
5
Write Register 7
5
3
13
9
D
D
6
4
Write Register 7
SYNC
SYNC
SYNC
SYNC
D
D
1
5
3
D
D
4
2
12
8
4
2
D
D
Am85C30
3
SYNC
SYNC
SYNC
SYNC
1
D
D
7
D
1
2
0
D
0
0
1
1
D
6
3
1
11
7
Auto Tx Flag
Auto EOM Latch Reset
Auto RTS
TxD Pulled High in SDLC NRZI Mode
Fast DTR/REQ Mode
CRC Check Bytes Completely Received
Extended Read Enable
Must Be Set to 0
1
D
Write Register 11
0
1
0
1
D
5
SYNC
SYNC
SYNC
SYNC
0
D
1
Receive Clock = RTxC Pin
Receive Clock = TRxC Pin
Receive Clock = BR Generator Output
Receive Clock = DPLL Output
0
0
1
1
4
D
0
1
0
1
2
0
10
6
3
SYNC
SYNC
SYNC
D
Transmit Clock = RTxC Pin
Transmit Clock = TRxC Pin
Transmit Clock = BR Generator Output
Transmit Clock = DPLL Output
2
1
1
D
0
0
1
1
1
1
9
5
D
0
1
0
1
0
SYNC
SYNC
SYNC
RTxC XTAL/No XTAL
TRxC Out = XTAL Output
TRxC Out = Transmit Clock
TRxC Out = BR Generator Output
TRxC Out = DPLL Output
TRxC O/I
1
0
0
8
4
Monosync 8 Bits
Monosync 8 Bits
Bisync 16 Bits
Bisync 12 Bits
SDLC
10216F-13