BT8375 CONEXANT [Conexant Systems, Inc], BT8375 Datasheet - Page 50

• Manufacturer Part Number: BT8375
• Description: single chip transceivers for T1/E1 and Integrated Service Digital Network (ISDN) primary rate interfaces
• Manufacturer: CONEXANT [Conexant Systems, Inc]

2.0 Circuit Description
2.4 Receiver
2-22
addr 047] and searches for E1 multiframe alignment after basic frame alignment
is recovered by the offline framer. Receive multiframe alignment is declared
when multiframe alignment criteria are met, as shown in
The receive online framer reports multiframe errors, frame errors, and CRC errors
in the Error Interrupt Status [ISR5; addr 006].
Table 2-2. Receive Framer Modes
The online framer continuously monitors for RLOF condition [ALM1;
T1/E1N
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
RFRAME[3:0]
Conexant
000X
001X
010X
011X
100X
101X
110X
111X
0000
0001
0100
0101
0110
1000
1001
1100
1101
Fully Integrated T1/E1 Framer and Line Interface
FAS Only
FAS Only + BSLIP
FAS + CRC
FAS + CRC + BSLIP
FAS + CAS
FAS + CAS + BSLIP
FAS + CRC + CAS
FAS + CRC + CAS + BSLIP
FT Only
ESF + No CRC (FPS only)
SF
SF + JYEL
SF + T1DM
SLC + FSLOF
SLC
ESF + Mimic CRC
ESF + Force CRC
Receive Framer Mode
Table 2-2
Bt8370/8375/8376
and
N8370DSE
Table
2-3.