bt8375kpf Conexant Systems, Inc., bt8375kpf Datasheet - Page 62

• Manufacturer Part Number: bt8375kpf
• Description: Single Chip Transceivers For T1/e1 And Integrated Service Digital Network Isdn Primary Rate Interfaces Systems
• Manufacturer: Conexant Systems, Inc.

2.0 Circuit Description
2.5 Receive System Bus
Figure 2-18. RSB Diagram
2-34
Receiver
RNRZ
From
+
+
AIS
32- (CEPT) line rate time slots can be mapped to 24, 32, 64, or 128 system bus
time slots as listed in
to the line rate, except for 1.536 MHz bus mode.
Table 2-5. RSB Interface Time Slot Mapping
signaling buffer, and signaling stack.
Line Rate (MHz)
RPHASE
Buffer
The RSB maps line rate time slots to system bus time slots. The 24- (DS1) or
The RSB, illustrated in
RSIG
RSIG
RSLIP
Local
Buffer
1.544
2.048
Loopback
Channel
Remote
Conexant
Source Channels
Table
Loopback
Channel
Local
Figure
2-5. The system bus rate must be greater than or equal
24
24
24
24
24
32
32
32
Fully Integrated T1/E1 Framer and Line Interface
Timebase
2-18, consists of a timebase, slip buffer,
STACK
RSIG
RSB
System Bus Rate (MHz)
1.536
1.544
2.048
4.096
8.192
2.048
4.096
8.192
RSIGO
RPCMO
SIGFRZ
RINDO
RFSYNC
RMSYNC
RSBCKI
TSBCKI
CLADI
CLADO
Bt8370/8375/8376
Destination
Time Slots
N8370DSE
128
128
24
24
32
64
32
64