GS2961 Datasheet, PDF (80/104 Pages) Gennum Corporation – 3Gb/s, HD, SD SDI Receiver, with Integrated Adaptive Cable Equalizer complete with SMPTE Video Processing

4.19.3 GSPI Timing
Write and Read Mode timing for the GSPI interface;
t₀
t₁
SCLK _TCLK
t₃
CS _TMS
t₂
t₈
SDIN _TDI
R/W
RSV
RSV
Auto
_Inc ^{A11 A10}
A9
A8
A7
A6
A5
A4
A3 A2 A1 A0
SDOUT _TDO
R/W RSV
RSV
Auto
_ Inc
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
Figure 4-37: Write Mode
t₄
t₇
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4
D3 D2 D1 D0
SCLK _TCLK
CS _ TMS
SDIN _TDI
SDOUT _TDO
Auto
R /W
RSV
RSV
_Inc
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
R/W
RSV
RSV
Auto
_Inc
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
A1
A0
t5
t6
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Figure 4-38: Read Mode
SDIN_TDI to SDOUT_TDO combinational path for daisy chain connection of multiple GS2961.
SDIN_TDI
SDOUT_TDO
Figure 4-39: GSPI Time Delay
TDELAY
data_0
data_0
Table 4-16: GSPI Time Delay
Parameter
Delay time
Symbol
t_DELAY
Delay time
t_DELAY
Conditions
50% levels;
1.8V operation
50% levels;
3.3V operation
Min
Typ
Max
Units
−
−
13.1
ns
−
−
9.7
ns
GS2961 3Gb/s, HD, SD SDI Receiver, with Integrated
Adaptive Cable Equalizer
Data Sheet
48004 - 2
November 2009
80 of 104