MT88E45 datasheet(21/27 Pages) MITEL

Part #	MT88E45

Description	4-Wire Calling Number Identification Circuit 2(4-Wire CNIC2)

PDF	27 Pages

Scroll/Zoom	100%

Manufacturer	MITEL [Mitel Networks Corporation]

Direct Link	http://www.mitel.com

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21 / 27 page

Advance Information

MT88E45

Figure 13 - Serial Data Interface Timing (Mode 0)

Figure 14 - Serial Data Interface Timing (Mode 1)

TIP/RING

(A/B) WIRES

DATA

(Output)

DCLK

(Output)

b0 b1 b2 b3 b4 b5 b6 b7

b0 b1 b2 b3 b4 b5

b0 b1 b2 b3 b4 b5 b6 b7

b0 b1 b2 b3

stop

start

stop

start

stop

start

stop

start

stop

start

stop

start

tIDD

tCRD

tRL

tCL

tCH

1/fDCLK0

Demodulated Data

(Internal Signal)

DCLK (Data Clock)

(Schmitt Input)

DR (Data Ready)

(Output)

stop

start

stop

Word N

Word N+1

DATA

(Output)

Word N

Word N-1

1/fDCLK1

tRL

>tDDH

The DCLK input must be low before and after DR falling edge.

Note 1: DCLK occurs during DR low and returns DR to high.

Note 2: DCLK occurs after DR, so DR is low for half a nominal bit time.

>tDDS

stop

Note 1

Note 2

MT88E45 Datasheet(PDF) 21 Page - Mitel Networks Corporation

MT88E45 Datasheet(HTML) 21 Page - Mitel Networks Corporation

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