TLFD600 Datasheet, PDF (10/37 Pages) Texas Instruments – ADSL CODEC WITH INTEGRATED LINE DRIVER AND RECEIVER

TLFD600
ADSL CODEC WITH INTEGRATED LINE DRIVER AND RECEIVER
SLAS280B – MAY 2000 – REVISED NOVEMBER 2000
example data transfers (continued)
SCLK
(Output)
FSX
(Output)
SDX
(Output)
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
t1 t2 t3
t1: FSX is Detected by DSP
t2: TLFD600PN Send Data
t3: DSP Latch Data
Figure 5. Example Data Transfers (TLFD600PAP to DSP)
SCLK
(Output)
FSR
(Output)
SDR
(Input)
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
t1 t2 t3
t1: FSR is Detected by DSP
t2: DSP Send Data
t3: TLFD600PN Latch Data
Figure 6. Example Data Transfers (DSP to TLFD600PAP)
128 SCLKs
FSR
P
S
P
48 SCLKs
FSX
P
P
P
P
P
16 SCLKs
SDR
Data
Don’t Care
Command
Don’t Care
Data
SDX
Data
Zeroes
Data
Zeroes
Data
Zeroes
Data
Zeroes Data
Figure 7. Example Data Transfers With Secondary Request in G.Lite and Normal TX Mode
(276 Ksps for TX/FSR and 1104 Ksps for RX/FSX)
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