参数资料
型号: DS2153Q-A7+T&R
厂商: Maxim Integrated Products
文件页数: 16/60页
文件大小: 0K
描述: IC TXRX E1 1-CHIP 5V 44-PLCC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 500
功能: 单芯片收发器
接口: E1
电路数: 1
电源电压: 4.75 V ~ 5.25 V
电流 - 电源: 65mA
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 44-LCC(J 形引线)
供应商设备封装: 44-PLCC(16.59x16.59)
包装: 带卷 (TR)
DS2153Q
23 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 2ms (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 250ms 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
s (regardless if CRC4 is
enabled) on transmit multiframe boundaries. Used to alert the host
that signaling data needs to be updated.
SEC
SR2.4
1-Second Timer. Set on increments of 1 second based on RCLK. If
CCR2.7 = 1, then this bit will be set every 62.5ms 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 pin 16 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 2ms 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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