cx28394 Conexant Systems, Inc., cx28394 Datasheet - Page 85

• Manufacturer Part Number: cx28394
• Description: Quad/x16/octal-t1/e1/j1 Framers
• Manufacturer: Conexant Systems, Inc.

CX28394/28395/28398
Quad/x16/Octal—T1/E1/J1 Framers
Figure 2-12. RSB Diagram
100054E
Timebase
Receive
From
RNRZ
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 1536K bus mode.
Table 2-4. RSB Interface Time Slot Mapping
and a signaling stack.
Line Rate (MHz)
The RSB maps line rate time slots to system bus time slots. The 24 (DS1) or
The RSB,
RPHASE
RSLIP
Buffer
Buffer
RSIG
RSIG
Local
1.544
2.048
Loopback
Channel
Remote
Figure
Conexant
2-12, consists of a timebase, slip buffer, a signaling buffer,
Table
Loopback
Channel
Local
Channels
Source
2-4. The system bus rate must be greater than or equal
RSBCK
24
24
24
24
24
32
32
32
Timebase
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
}
I/O From Pins
2.0 Circuit Description
Destination Time
2.3 System Bus
Slots
128
128
24
24
32
64
32
64
2-27