DS90UB928Q-Q1 Datasheet, PDF (16/69 Pages) Texas Instruments – 5 MHz to 85 MHz 24-bit Color FPD-Link III to FPD-Link Deserializer With Bidirectional Control Channel

DS90UB928Q-Q1
SNLS417C – MARCH 2013 – REVISED JULY 2016
T
TxCLKOUT±
TxOUT[3:0]±
bit 1 bit 0 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
2¨t_TTP
0.5UI
1.5UI
2.5UI
3.5UI
4.5UI
5.5UI
6.5UI
t_TTP1
t_TTP2
t_TTP3
t_TTP4
t_TTP5
t_TTP6
t_TTP7
Figure 13. FPD-Link Transmitter Pulse Positions
Ideal Data Bit
Beginning
Sampling
Window
Ideal Data
Bit End
RxIN_TOL
Left
V_TH
0V
RxIN_TOL
Right
V_TL
Ideal Center Position (t_BIT/2)
t_BIT (1 UI)
t_IJIT = RxIN_TOL (Left + Right)
Sampling Window = 1 UI - t_IJIT
Figure 14. Receiver Input Jitter Tolerance
BISTEN
PASS
(w/errors)
Prior BIST Result
Current BIST Test - Toggle on Error
1/2 V_DDIO
t_PASS
1/2 V_DDIO
Result Held
Figure 15. BIST PASS Waveform
SDA
t_f
SCL
START
t_LOW
t_r
t_f
t_HD;STA
t_BUF
t_r
t_HD;STA
t_HD;DAT
t_HIGH
t_SU;DAT
t_SU;STA
t_SU;STO
REPEATED
START
STOP START
Figure 16. Serial Control Bus Timing Diagram
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