AM5728 datasheet(216/415 Pages) TI

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vinx_clki

SPRS8xx_VIP_01

AM5728, AM5726

SPRS915O – MARCH 2014 – REVISED OCTOBER 2015

www.ti.com

7.6

Video Input Ports (VIP)

The Device includes 3 Video Input Ports (VIP).

Table 7-3, Figure 7-4 and Figure 7-5 present timings and switching characteristics of the VIPs.

CAUTION

The IO timings provided in this section are applicable for all combinations of

signals for vin1, vin5 and vin6. However, the timings are only valid for vin2,

vin3, and vin4 if signals within a single IOSET are used. The IOSETs are

defined in the Table 7-4.

Table 7-3. Timing Requirements for VIP (1)(2)

NO.

PARAMETER

DESCRIPTION

MODE

MIN

MAX

UNIT

tc(CLK)

Cycle time, vinx_clki (3) (5)

6.06 (1)

tw(CLKH)

Pulse duration, vinx_clki high (3) (5)

0.45*P (2)

tw(CLKL)

Pulse duration, vinx_clki low (3) (5)

0.45*P (2)

tsu(CTL/DATA-CLK)

Input setup time, Control (vinx_dei, vinx_vsynci, vinx_fldi,

vin1x,

2.93

vinx_hsynci) and Data (vinx_dn) valid to vinx_clki transition (3)

vin2x

(4) (5)

vin5x,

3.18

vin6x

vin3x,

3.49

vin4x

th(CLK-CTL/DATA)

Input hold time, Control (vinx_dei, vinx_vsynci, vinx_fldi,

-0.05

vinx_hsynci) and Data (vinx_dn) valid from vinx_clki transition

(3) (4) (5)

(1) For maximum frequency of 165 MHz.

(2) P = vinx_clki period.

(3) x in vinx = 1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b, 5a and 6a.

(4) n in dn = 0 to 7 when x = 1b, 2b, 3b and 4b;

n = 0 to 15 when x = 5a and 6a;

n = 0 to 23 when x = 1a, 2a, 3a and 4a;

(5) i in clki, dei, vsynci, hsynci and fldi = 0 or 1.

Figure 7-4. Video Input Ports Clock Signal

216

Timing Requirements and Switching Characteristics

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