參數(shù)資料
型號: DS2152LN
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PQFP100
封裝: LQFP-100
文件頁數(shù): 57/94頁
文件大小: 1003K
代理商: DS2152LN
DS2152
60 of 93
RPRM: RECEIVE RPM REGISTER (Address=03 Hex)
(MSB)
(LSB)
RABT
RCRCE
ROVR
RVM
REMPTY
POK
CBYTE
OBYTE
SYMBOL
POSITION
NAME AND DESCRIPTION
RABT
RPRM.7
Abort Sequence Detected. Set whenever the HDLC controller
sees 7 or more 1s in a row.
RCRCE
RPRM.6
CRC Error. Set when the CRC checksum is in error.
ROVR
RPRM.5
Overrun. Set when the HDLC controller has attempted to write
a byte into an already full receive FIFO.
RVM
RPRM.4
Valid Message. Set when the HDLC controller has detected and
checked a complete HDLC packet.
REMPTY
RPRM.3
Empty. A real-time bit that is set high when the receive FIFO is
empty.
POK
RPRM.2
Packet OK. Set when the byte available for reading in the
receive FIFO at RFDL is the last byte of a valid message (and
hence no abort was seen, no overrun occurred, and the CRC was
correct).
CBYTE
RPRM.1
Closing Byte. Set when the byte available for reading in the
receive FIFO at RFDL is the last byte of a message (whether the
message was valid or not).
OBYTE
RPRM.0
Opening Byte. Set when the byte available for reading in the
receive FIFO at RFDL is the first byte of a message.
NOTE:
The RABT, RCRCE, ROVR, and RVM bits are latched and will be cleared when read.
相關(guān)PDF資料
PDF描述
DS2152L DATACOM, FRAMER, PQFP100
DS2153Q DATACOM, FRAMER, PQCC44
DS2154L DATACOM, FRAMER, PQFP100
DS21554L DATACOM, PCM TRANSCEIVER, PQFP100
DS21554LN DATACOM, PCM TRANSCEIVER, PQFP100
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