CX28344 Conexant, CX28344 Datasheet - Page 153
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CX28344
Manufacturer Part Number
CX28344
Description
(CX2834x) Dual / Triple / Quad / Hex / Octal - Enhanced DS3 / E3 Framer
Manufacturer
Conexant
Datasheet
1.CX28344.pdf
(195 pages)
- Current page: 153 of 195
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CX28342/3/4/6/8 Data Sheet
Value after reset: 00 (h)
Direction: Read only
Value after enable: 00 (h)
RxFEACSNE
RxFEACIdle
RxFEACltr
Value after reset: Undefined
Direction: Read only
Value after enable: Unaffected
RxAIC[7:0]
28348-DSH-001-B
Reserved
RxAIC[7]
7
7
Reserved
RxAIC[6]
Receive FEAC Stack Is Not Empty—Set due to detection of the FEAC stack being not empty
(i.e., Receive FEAC Stack byte is holding valid data).
Received FEAC Channel Is Idle—In DS3-C Bit Parity mode, set when the FEAC receiver
detects the first appearance of an Idle code, after reception of legal code words. This bit is
cleared when this register is read. In DS3-M13/M23 and both E3 modes, this bit should be
ignored.
Receive FEAC Channel Interrupt—In DS3-C Bit Parity mode, when working in FEAC single
mode, set high when an FEAC message byte has been received and placed in the Receive
FEAC Channel Byte register. When working in FEAC repetitive mode, set high when the
receiver detects an FEAC message byte (see Far-End Alarm and Control Channel Reception
paragraph). Reading the Receive FEAC Channel Byte register clears this interrupt. In DS3-
M13/M23, E3-G.751 and E3-G.832 modes, this bit should be ignored.
Receive AIC Channel Message Byte—If the incoming format is DS3, C-Bit Parity, this
register contains 8 AIC (Cb11) bits from 8 consecutive frames. RxAIC[0] is the first bit
received and RxAIC[7] is the last bit received from the line. This byte is meaningless in DS3-
M13/M23 and both E3 modes and should be ignored.
6
6
Receive FEAC Status Register (SR17i)
Receive AIC Byte (SR18i)
Reserved
RxAIC[5]
5
5
Mindspeed Technologies™
Reserved
RxAIC[4]
4
4
Reserved
RxAIC[3]
3
3
RxFEACSNE
RxAIC[2]
2
2
RxFEACIdle
RxAIC[1]
1
1
RxFEACltr
RxAIC[0]
0
0
Registers
3
-
41
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