BT8376EPF datasheet(67/323 Pages) CONEXANT

Part #	BT8376EPF

Description	single chip transceivers for T1/E1 and Integrated Service Digital Network (ISDN) primary rate interfaces

PDF	323 Pages

Scroll/Zoom	100%

Manufacturer	CONEXANT [Synaptics Incorporated.]

Direct Link	https://www.synaptics.com/

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67 / 323 page

Bt8370/8375/8376

2.0 Circuit Description

Fully Integrated T1/E1 Framer and Line Interface

2.6 Clock Rate Adapter

N8370DSE

Conexant

2-39

2.6 Clock Rate Adapter

The full function Clock Rate Adapter is included in all Bt8370 and Bt8375

devices. In the Bt8376, the CLADO output is not implemented.

The Clock Rate Adapter (CLAD) illustrated in Figures 2-21 and 2-22 uses an

input clock reference at a particular frequency (range 8 kHz to 16,384 kHz) to

synthesize an output clock (CLADO and JCLK) at a different frequency (range

1024 kHz to 16,384 kHz). The CLAD also controls the read or write pointers of

the elastic store by synthesizing a Jitter-attenuated Line rate Clock (JCLK); thus,

it is an integral part of the Jitter Attenuator (JAT). The CLAD input clock jitter

tolerance and jitter transfer functions are illustrated in Figures 2-9 and 2-10.

These diagrams are illustrated for various programmed loop filter gain values

(LFGAIN; addr 090).

BT8376EPF Datasheet(PDF) 67 Page - Synaptics Incorporated.