cx28394 Conexant Systems, Inc., cx28394 Datasheet - Page 82

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

2.0 Circuit Description
2.3 System Bus
Figure 2-8. Internally Multiplexed Configuration Examples
2.3.4 Receive System Bus
2-24
Framer 1
Framer 2
Framer 3
Framer 4
Framer 5
Framer 6
Framer 7
Framer 8
CX28398
Possible Internally Multiplexed
8.192 Mbps
Two separte 8.192
Mbps buses is the
typical application for
Internally Multiplexed
mode.
8.192 Mbps
The Receive System Bus (RSB) provides a high-speed, serial interface between
the RCVR and the system bus. The RSB has the following pins:
Pin Name
RSBCKI
RPCMO
RFSYNC/RMSYNC
RINDO/RDLCKO
RSIGO/RDLO
SIGFRZ
Configurations
Conexant
Framer 1
Framer 2
Framer 3
Framer 4
Framer 5
Framer 6
Framer 7
Framer 8
CX28398
Function
Receive System Bus Clock
Receive PCM Data
Receive Frame Sync or
Receive Multiframe Sync
Receive Time Slot Indicator or
Receive Datalink Clock
Receive Signaling Data or
Receive Datalink Data
Signaling Freeze
In this application, Framers 3 and 4
are used as back-up line interfaces
and are connected to the system bus;
but are disabled.
In this application, Framer 8 is used as
a back-up line interface and is
connected to the system bus; but is
disabled.
4.096 Mbps
8.192 Mbps
Quad/x16/Octal—T1/E1/J1 Framers
CX28394/28395/28398
100054E