CX28398 Conexant Systems, CX28398 Datasheet - Page 90
CX28398
Manufacturer Part Number
CX28398
Description
(CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
Manufacturer
Conexant Systems
Datasheet
1.CX28398.pdf
(305 pages)
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2.0 Circuit Description
2.3 System Bus
2.3.5 Transmit System Bus
Figure 2-15. TSB Interface Block Diagram
2-32
Timebase
Transmit
TNRZ
From
TXDATA
The Transmit System Bus (TSB) consists of a timebase, slip buffer, signaling
buffer, and transmit framer
between the XMTR and the system bus.
Pin Name
TSBCKI
TPCMI
TFSYNC/TMSYNC
TINDO/TDLCKO
TSIGI/TDLI
The TSB contains the following five pins:
TPHASE
TSLIP
Buffer
Local
Local
TSIG
TSIG
Conexant
Function
Transmit System Bus Clock
Transmit PCM Data
Transmit Frame Sync or
Transmit Multiframe Sync
Transmit Time Slot Indicator or
Transmit Datalink Clock
Transmit Signaling Data or
Transmit Datalink Data
(Figure
2-15). It provides a high-speed serial interface
Timebase
Transmit
Framer
TSB
Quad/x16/Octal—T1/E1/J1 Framers
CX28394/28395/28398
RSBCKI
TSBCKI
TINDO
TFSYNC
TMSYNC
TPCMI
TSIGI
100054E
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