參數(shù)資料
型號: DS21Q42TN
廠商: Maxim Integrated Products
文件頁數(shù): 79/116頁
文件大小: 0K
描述: IC FRAMER ENHANCED T1 4X 128TQFP
標(biāo)準(zhǔn)包裝: 72
控制器類型: T1 調(diào)幀器
接口: 并行/串行
電源電壓: 2.97 V ~ 3.63 V
電流 - 電源: 75mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 128-LQFP
供應(yīng)商設(shè)備封裝: 128-LQFP(14x20)
包裝: 管件
DS21Q42
65 of 116
HIMR: HDLC INTERRUPT MASK REGISTER (Address = 02 Hex)
(MSB)
(LSB)
RBOC
RPE
RPS
RHALF
RNE
THALF
TNF
TMEND
SYMBOL
POSITION
NAME AND DESCRIPTION
RBOC
HIMR.7
Receive BOC Detector Change of State.
0 = interrupt masked
1 = interrupt enabled
RPE
HIMR.6
Receive Packet End.
0 = interrupt masked
1 = interrupt enabled
RPS
HIMR.5
Receive Packet Start.
0 = interrupt masked
1 = interrupt enabled
RHALF
HIMR.4
Receive FIFO Half Full.
0 = interrupt masked
1 = interrupt enabled
RNE
HIMR.3
Receive FIFO Not Empty.
0 = interrupt masked
1 = interrupt enabled
THALF
HIMR.2
Transmit FIFO Half Empty.
0 = interrupt masked
1 = interrupt enabled
TNF
HIMR.1
Transmit FIFO Not Full.
0 = interrupt masked
1 = interrupt enabled
TMEND
HIMR.0
Transmit Message End.
0 = interrupt masked
1 = interrupt enabled
RHIR: RECEIVE HDLC INFORMATION REGISTER (Address = 03 Hex)
(MSB)
(LSB)
RABT
RCRCE
ROVR
RVM
REMPTY
POK
CBYTE
OBYTE
SYMBOL
POSITION
NAME AND DESCRIPTION
RABT
RHIR.7
Abort Sequence Detected. Set whenever the HDLC controller
sees 7 or more ones in a row.
RCRCE
RHIR.6
CRC Error. Set when the CRC checksum is in error.
ROVR
RHIR.5
Overrun. Set when the HDLC controller has attempted to write
a byte into an already full receive FIFO.
RVM
RHIR.4
Valid Message. Set when the HDLC controller has detected and
checked a complete HDLC packet.
REMPTY
RHIR.3
Empty. A real–time bit that is set high when the receive FIFO is
empty.
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