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