BT8375 CONEXANT [Conexant Systems, Inc], BT8375 Datasheet - Page 74
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BT8375
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]
Datasheet
1.BT8375.pdf
(323 pages)
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2.0 Circuit Description
2.7 Transmit System Bus
Figure 2-23. TSB Interface Block Diagram
2-46
Transmitter
TNRZ
From
TXDATA
2.7 Transmit System Bus
The Transmit System Bus (TSB) consists of a timebase, slip buffer, signaling
buffer, and transmit framer
between the XMTR and system bus. The system bus is compatible with the Mitel
ST-Bus, the PEB Bus, and the AT&T CHI Bus. TSB directly interfaces to other
Conexant devices with no need for external circuitry.
(TSBCKI), Transmit PCM Data (TPCMI), Transmit Signaling Data (TSIGI),
Transmit Frame Sync (TFSYNC), Transmit Multiframe Sync (TMSYNC), and
Transmit time slot Indicator (TINDO). See
between these signals. These pins are further defined in
Signal
TPHASE
TSLIP
Buffer
Buffer
TSIG
Local
TSIG
The TSB contains the following six pins: Transmit System Bus Clock
Definitions.
Loopback
Channel
Remote
Conexant
Loopback
Channel
Local
(Figure
Timebase
Transmit
Framer
Fully Integrated T1/E1 Framer and Line Interface
TSB
2-23). It provides a high-speed serial interface
Figure 2-24
CLADO
CLADI
RSBCKI
TSBCKI
TFSYNC
TMSYNC
TINDO
TPCMI
TSIGI
for the relationship
Table 1-1, Hardware
From CLADO Prior to
Output Buffer
I/O from Pins
Bt8370/8375/8376
N8370DSE
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