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7 terminal functions – Texas Instruments TVP5147M1PFP User Manual

Page 14

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Introduction

6

SLES140A—March 2007

TVP5147M1PFP

1.7

Terminal Functions

Table 1−1. Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NUMBER

I/O

DESCRIPTION

Analog Video

VI_1_A
VI_1_B
VI_1_C
VI_2_A
VI_2_B

80

1
2
7
8

I/O

I
I
I
I

VI_1_A: Analog video input for CVBS/Pb/C or analog video output (see Section 2.11.59)
VI_1_x: Analog video input for CVBS/Pb/C
VI_2_x: Analog video input for CVBS/Y
VI_3_x: Analog video input for CVBS/Pr/C
VI_4_A: Analog video input for CVBS/Y

VI_2_B
VI_2_C
VI_3_A
VI_3_B
VI_3_C
VI_4_A

8
9

16
17
18
23

I
I
I
I
I
I

VI_4_A: Analog video input for CVBS/Y
Up to 10 composite, 4 S-video, and 2 composite or 3 component video inputs (or a combination thereof)
can be supported.
The inputs must be ac-coupled. The recommended coupling capacitor is 0.1

µ

F.

The possible input configurations are listed in the input select register at I2C subaddress 00h (see
Section 2.11.1).

Clock Signals

DATACLK

40

O

Line-locked data output clock

XTAL1

74

I

External clock reference input. It can be connected to an external oscillator with a 1.8-V compatible clock
signal or a 14.31818-MHz crystal oscillator.

XTAL2

75

O

External clock reference output. Not connected if XTAL1 is driven by an external single-ended oscillator.

Digital Video

C_[9:0]/
GPIO[9:0]

57, 58,
59, 60,
63, 64,
65, 66,

69, 70

I/O

Digital video output of CbCr, C[9] is MSB and C[0] is LSB. Also, these terminals can be programmable
general-purpose I/O.
For the 8-bit mode, the two LSBs are ignored. Unused outputs can be left unconnected.

Y[9:0]

43, 44,
45, 46,
47, 50,
51, 52,

53, 54

O

Digital video output of Y/YCbCr, Y[9] is MSB and Y[0] is LSB.
For the 8-bit mode, the two LSBs are ignored. Unused outputs can be left unconnected.

Miscellaneous Signals

GPIO

35

I/O

Programmable general-purpose I/O

GLCO/I2CA

37

I/O

Genlock control output (GLCO) uses real time control (RTC) format.
During reset, this terminal is an input used to program the I2C address LSB.

INTREQ

30

O

Interrupt request

NC

14, 15,
19, 20,

21, 22

Not connected. These terminals can be connected to power or ground (compatible with TVP5146
terminals), internally floating.

PWDN

33

I

Power down input:
1 = Power down
0 = Normal mode

RESETB

34

I

Reset input, active low (see Section 2.8)

Host Interface

SCL

28

I

I2C clock input

SDA

29

I/O

I2C data bus