參數(shù)資料
型號(hào): DS21Q44T+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 70/105頁(yè)
文件大?。?/td> 0K
描述: IC FRAMER ENHANCED E1 4X 128TQFP
標(biāo)準(zhǔn)包裝: 72
控制器類型: E1 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: 0°C ~ 70°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
DS21Q44
67 of 105
THIR: TRANSMIT HDLC INFORMATION REGISTER (Address=B6 Hex)
(MSB)
(LSB)
–––––
EMPTY
TFULL
TUDR
SYMBOL
POSITION
NAME AND DESCRIPTION
–THIR.7
Not Assigned. Could be any value when read.
–THIR.6
Not Assigned. Could be any value when read.
–THIR.5
Not Assigned. Could be any value when read.
–THIR.4
Not Assigned. Could be any value when read.
–THIR.3
Not Assigned. Could be any value when read.
TEMPTY
THIR.2
Transmit FIFO Empty. A real–time bit that is set high when
the FIFO is empty.
TFULL
THIR.1
Transmit FIFO Full. A real–time bit that is set high when the
FIFO is full.
TUDR
THIR.0
Transmit FIFO Underrun. Set when the transmit FIFO
unwantedly empties out and an abort is automatically sent.
Note: The TUDR bit is latched and are cleared when read.
THFR: TRANSMIT HDLC FIFO REGISTER (Address=B7 Hex)
(MSB)
(LSB)
HDLC7
HDLC6
HDLC5
HDLC4
HDLC3
HDLC2
HDLC1
HDLC0
SYMBOL
POSITION
NAME AND DESCRIPTION
HDLC7
THFR.7
HDLC Data Bit 7. MSB of a HDLC packet data byte.
HDLC6
THFR.6
HDLC Data Bit 6.
HDLC5
THFR.5
HDLC Data Bit 5.
HDLC4
THFR.4
HDLC Data Bit 4.
HDLC3
THFR.3
HDLC Data Bit 3.
HDLC2
THFR.2
HDLC Data Bit 2.
HDLC1
THFR.1
HDLC Data Bit 1.
HDLC0
THFR.0
HDLC Data Bit 0. LSB of a HDLC packet data byte.
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