參數(shù)資料
型號: DS21Q43AT+
廠商: Maxim Integrated Products
文件頁數(shù): 19/60頁
文件大?。?/td> 0K
描述: IC FRAMER E1 QUAD 5V IND 128TQFP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 72
控制器類型: E1 調幀器
接口: 并行/串行
電源電壓: 4.5 V ~ 5.5 V
電流 - 電源: 32mA
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 128-LQFP
供應商設備封裝: 128-LQFP(14x20)
包裝: 管件
DS21Q43A
26 of 60
SR2: STATUS REGISTER 2 (Address=07 Hex)
(MSB)
(LSB)
RMF
RAF
TMF
SEC
TAF
LOTC
RCMF
TSLIP
SYMBOL
POSITION
NAME AND DESCRIPTION
RMF
SR2.7
Receive CAS Multiframe. Set every 2 ms (regardless if CAS
signaling is enabled or not) on receive multiframe boundaries.
Used to alert the host that signaling data is available.
RAF
SR2.6
Receive Align Frame. Set every 250
s at the beginning of
align frames. Used to alert the host that Si and Sa bits are
available in the RAF and RNAF registers.
TMF
SR2.5
Transmit Multiframe. Set every 2 ms (regardless if CRC4 is
enabled) on transmit multiframe boundaries. Used to alert the
host that signaling data needs to be updated.
SEC
SR2.4
One Second Timer. Set on increments of 1 second based on
RCLK. If CCR2.7=1, then this bit will be set every 62.5 ms
instead of once a second.
TAF
SR2.3
Transmit Align Frame. Set every 250
s at the beginning of
align frames. Used to alert the host that the TAF and TNAF
registers need to be updated.
LOTC
SR2.2
Loss of Transmit Clock. Set when the TCLK pin has not
transitioned for one channel time (or 3.9
s). Will force the
LOTC pin high if enabled via TCR2.0. Based on RCLK.
RCMF
SR2.1
Receive
CRC4
Multiframe.
Set
on
CRC4
multiframe
boundaries; will continue to be set every 2 ms on an arbitrary
boundary if CRC4 is disabled.
TSLIP
SR2.0
Transmit Elastic Store Slip. Set when the elastic store has
either repeated or deleted a frame of data.
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