AM1810_15 Datasheet, PDF (226/262 Pages) Texas Instruments – AM1810 ARM® Microprocessor For PROFIBUS

AM1810
SPRS709D – NOVEMBER 2010 – REVISED MARCH 2014
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6.27.2 VPIF Electrical Data/Timing
Table 6-119. Timing Requirements for VPIF VP_CLKINx Inputs⁽¹⁾ (see Figure 6-73)
NO.
1 t_c(VKI)
Cycle time, VP_CLKIN0
Cycle time, VP_CLKIN1/2/3
2 t_w(VKIH)
3 t_w(VKIL)
4 t_t(VKI)
Pulse duration, VP_CLKINx high
Pulse duration, VP_CLKINx low
Transition time, VP_CLKINx
(1) C = VP_CLKINx period in ns.
1.2V
MIN MAX
13.3
13.3
0.4C
0.4C
5
1.1V
MIN MAX
20
20
0.4C
0.4C
5
1.0V
MIN MAX
37
37
0.4C
0.4C
5
UNIT
ns
ns
ns
ns
ns
1
2
4
3
VP_CLKINx
4
Figure 6-73. Video Port Capture VP_CLKINx Timing
Table 6-120. Timing Requirements for VPIF Channels 0/1 Video Capture Data and Control Inputs
(see Figure 6-74)
NO.
1
t_{su(VDINV-VKIH)}
2
t_{h(VKIH-VDINV)}
Setup time, VP_DINx valid before VP_CLKIN0/1 high
Hold time, VP_DINx valid after VP_CLKIN0/1 high
1.2V
MIN MAX
4
0
1.1V
MIN MAX
6
0
1.0V
MIN MAX
7
0
UNIT
ns
ns
VP_CLKIN0/1
1
2
VP_DINx/FIELD/
HSYNC/VSYNC
Figure 6-74. VPIF Channels 0/1 Video Capture Data and Control Input Timing
226 Peripheral Information and Electrical Specifications
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