Datasheet

7
SLES084C − August 2007 TVP5146
Table 1−1. Terminal Functions (Continued)
TERMINAL
I/O
DESCRIPTION
NAME NUMBER
I/O
DESCRIPTION
Host Interface
SCL 28 I I
2
C clock input
SDA 29 I/O I
2
C data bus
Power Supplies
AGND 26 I Analog ground. Connect to analog ground.
A18GND_REF 13 I Analog 1.8-V return
A18VDD_REF 12 I Analog power for reference 1.8 V
CH1_A18GND
CH2_A18GND
CH3_A18GND
CH4_A18GND
79
10
15
24
I Analog 1.8-V return
CH1_A18VDD
CH2_A18VDD
CH3_A18VDD
CH4_A18VDD
78
11
14
25
I Analog power. Connect to 1.8 V.
CH1_A33GND
CH2_A33GND
CH3_A33GND
CH4_A33GND
3
6
19
22
I Analog 3.3-V return
CH1_A33VDD
CH2_A33VDD
CH3_A33VDD
CH4_A33VDD
4
5
20
21
I Analog power. Connect to 3.3 V.
DGND
27, 32, 42,
56, 68
I Digital return
DVDD
31, 41, 55,
67
I Digital power. Connect to 1.8 V.
IOGND 39, 49, 62 I Digital power return
IOVDD 38, 48, 61 I Digital power. Connect to 3.3 V or less for reduced noise.
PLL_A18GND 77 I Analog power return
PLL_A18VDD 76 I Analog power. Connect to 1.8 V.
Sync Signals
HS/CS/GPIO 72 I/O
Horizontal sync output or digital composite sync output
Programmable general-purpose I/O
VS/VBLK/GPIO 73 I/O
Vertical sync output (for modes with dedicated VSYNC) or VBLK output
Programmable general-purpose I/O
FID/GPIO 71 I/O
Odd/even field indicator output. This terminal needs a pulldown resistor (see Figure 5−1).
Programmable general-purpose I/O
AVID/GPIO 36 I/O
Active video indicator output
Programmable general-purpose I/O