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| S5N8944B Datasheet, PDF (13/21 Pages) Samsung semiconductor – G.Lite ADSL Transceiver for CO and CPE | |||
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S5N8944B
G.Lite ADSL Transceiver for CO and CPE
7. I/O Timing Description
t3
t4
DAC_REF
(4.416MHz)
DAC_DAT[15:0]
(4.416MHz)
ADC_DAT[15:0]
(2.208MHz)
t1
t2
Parameter
t1
t2
t3
t4
Description
ADC_DAT setup to DAC_REF â
ADC_DAT hold after DAC_REF â
DAC_DAT setup to DAC_REF â
DAC_DAT hold after DAC_REF â
Min Max Unit
30
ns
1
ns
15
ns
15
ns
Figure 5: AFE Data I/F Timing Diagram
AFE_SEN_N
AFE_SCL
(1.104MHz)
AFE_SDO
AFE_SDI
AFE_BUSY
t2
t3
CS1 CS0 A4
A0 RW D15 D14 D0
t1
D15 D14 D0
Parameter
t1
t2
t3
Description
AFE_SDI setup to AFE_SCL â
AFE_SEN_N â before AFE_SCL â
AFE_SEN_N â from AFE_SCL â
Min Max Unit
30
ns
30
ns
15
ns
Figure 6: AFE Control I/F Timing Diagram
CONFIDENTIAL
13
Preliminary Information (Rev.2.1 )
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