ibm3206k0424 ETC-unknow, ibm3206k0424 Datasheet - Page 506

• Manufacturer Part Number: ibm3206k0424
• Description: Ibm Processor For Network Resources
• Manufacturer: ETC-unknow

IBM3206K0424
IBM Processor for Network Resources
19.2: RS-232 Status Register
This register controls the operation of the RS-232 logic. See Note on Set/Clear Type Registers on page 93 for
more details on addressing.
Length
Type
DCR Address
Power On Value
Restrictions
RS-232 Interface Logic (RS-232)
Page 506 of 676
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
Bit(s)
Bit(s)
31-7
1
0
6
5
4
3
2
1
0
Transmit Start
RS-232 Port Enable
Reserved
DSR Inactive
CTS Inactive
Transmit Complete
Framing Error
Overrun Error
Parity Error
Receive Complete
Name
Name
32 bits
Read/Write
X’212 AND 213’
X’00000000’
None
Reserved
This bit set to ’1’ initiates the transmission of what is in the transmit buffer. This bit is
cleared by hardware when the transmission is complete.
This bit set to ’1’ enables the RS-232 port.
Reserved
This bit set to ’1’ indicates DSR has gone inactive.
This bit set to ’1’ indicates CTS has gone inactive.
This bit set to ’1’ indicates the current transmission has completed.
This bit set to ’1’ indicates a framing error has been detected.
This bit set to ’0’ indicates four bytes were received before the previous (one-byte
mode) or four bytes (four-byte mode) had been read from the receive buffer.
This bit set to ’1’ indicates a parity error has been detected.
This bit set to ’1’ indicates data from a clean reception is in the receive buffer.
Description
Description
8
7
6
5
4
pnr25.chapt05.01
August 14, 2000
3
Preliminary
2
1
0