ASX340AT_16 Datasheet, PDF (7/54 Pages) ON Semiconductor – 1/4‐inch Color CMOS NTSC/PAL Digital Image SOC

TABLE 3. PIN DESCRIPTION (CONTINUED)
Pin Number
Pin Name
Composite Video Output
F5
DAC_POS
G5
A4
Manufacturing Test Interface
D3
G2
F3
C3
C4
G6
DAC_NEG
DAC_REF
TDI
TDO
TMS
TCK
TRST_N
ATEST1
F6
ATEST2
GPIO
C1
A3
Power
G4
A5, A7, D8, E7, G1, G3
GPIO12
GPIO13
VREG_BASE
VDD
B2, B8, C8, E3, E8, G8, H8
H5
A8
B4, H6
H7
H4
B5, C5, D1, D5, H1
E5, F4
VDD_IO
VDD_DAC
VDD_PLL
VAA
VAA_PIX
Reserved
DGND
AGND
ASX340AT
Type
Output
Output
Output
Input
Output
Input
Input
Input
Input
Input
Input/Output
Input/Output
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Description
Positive video DAC output in differential mode.
Video DAC output in single-ended mode. This
interface is enabled by default using NTSC/PAL
signaling. For applications where composite video
output is not required, the video DAC can be placed in
a power-down state under software control.
Negative video DAC output in differential mode.
External reference resistor for the video DAC.
JTAG Test pin (Reserved for Test Mode)
JTAG Test pin (Reserved for Test Mode)
JTAG Test pin (Reserved for Test Mode)
JTAG Test pin (Reserved for Test Mode)
Connect to GND.
Analog test input. Connect to GND in normal
operation.
Analog test input. Connect to GND in normal
operation.
Dedicated general-purpose input/output pin.
Dedicated general-purpose input/output pin.
Voltage regulator control. Leave floating if not used.
Supply for VDD core: 1.8 V nominal. Can be connected
to the output of the transistor of the off-chip bypass
transistor or an external 1.8 V power supply.
Supply for digital IOs: 2.8 V nominal.
Supply for video DAC: 2.8 V nominal.
Supply for PLL: 2.8 V nominal.
Analog power: 2.8 V nominal.
Analog pixel array power: 2.8 V nominal. Must be at
same voltage potential as VAA.
Leave floating for normal operation.
Digital ground.
Analog ground.
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