參數(shù)資料
型號: DS2151
英文描述: T1 Single-Chip Transceiver
中文描述: T1單芯片收發(fā)器
文件頁數(shù): 17/51頁
文件大?。?/td> 1100K
代理商: DS2151
DS2151Q
17 of 51
from the interrupt pins via the Interrupt Mask Register 1 (IMR1) and Interrupt Mask Register 2 (IMR2)
respectively.
RIR1: RECEIVE INFORMATION REGISTER 1
(Address=22 Hex)
(MSB)
COFA
8ZD
16ZD
(LSB)
FBE
RESF
RESE
SEFE
B8ZS
SYMBOL
COFA
POSITION
RIR1.7
NAME AND DESCRIPTION
Change of Frame Alignment.
Set when the last resync
resulted in a change of frame or multiframe alignment.
8ZD
RIR1.6
Eight 0 Detect.
Set when a string of eight consecutive 0s have
been received at RPOS and RNEG.
16ZD
RIR1.5
Sixteen 0 Detect.
Set when a string of 16 consecutive 0s have
been received at RPOS and RNEG.
RESF
RIR1.4
Receive Elastic Store Full.
Set when the receive elastic store
buffer fills and a frame is deleted.
RESE
RIR1.3
Receive Elastic Store Empty.
Set when the receive elastic
store buffer empties and a frame is repeated.
SEFE
RIR1.2
Severely Errored Framing Event.
Set when 2 out of 6
framing bits (Ft or FPS) are received in error.
B8ZS
RIR1.1
B8ZS Code Word Detect.
Set when a B8ZS code word is
detected at RPOS and RNEG independent of whether the B8ZS
mode is selected or not via CCR2.6.
FBE
RIR1.0
Frame Bit Error.
Set when a Ft (D4) or FPS (ESF) framing
bit is received in error.
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