CMX639 Ver la hoja de datos (PDF) - MX-COM Inc
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CMX639 Datasheet PDF : 12 Pages
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Consumer/Commercial CVSD Digital Voice CODEC
9
5.1.4 Timing
Serial Bus Timings (See Figure 4)
tCH
Clock 1 pulse width
tCL
Clock 0 pulse width
tIR
tIF
tSU
tH
tSU +tH
Clock rise time
Clock fall time
Data set-up time
Data hold time
Data true time
tPCO
Clock to output delay time
tDR
Data rise time
tDF
Data fall time
Xtal input frequency = 1.024MHz
CMX639 Preliminary Information
Min.
1.0
1.0
0
600
Typ.
100
100
1.5
750
100
100
Max.
450
Units
µs
µs
ns
ns
ns
ns
µs
ns
ns
ns
ENCODER
CLOCK
tCH
DATA CLOCKED
ENCODER DATA
OUTPUT
ENCODER TIMING
tCL
tIF
tCH
t IR
tPCO
DECODER TIMING
DECODER
CLOCK
DATA CLOCKED
DECODER DATA
INPUT
tSU
tH
DATA TRUE TIME
ENCODER
OUTPUT
HIGH Z
DATA ENABLE
MULTIPLEXING FUNCTION
HIGH Z
tDR
tDF
Figure 4: Serial Bus Timing
2000 MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480209.006
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA All Trademarks and service marks are held by their respective companies.
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