ASX340AT_16 Datasheet, PDF (38/54 Pages) ON Semiconductor – 1/4‐inch Color CMOS NTSC/PAL Digital Image SOC

ASX340AT
I/O Circuitry
Figure 33 illustrates typical circuitry used for each input,
output, or I/O pad.
VDD_IO
Input Pad
Pad
Receiver
SPI_SDI and RESET_BAR
Input Pad
Pad
GND
VDD_IO
Receiver
VDD_IO
I/O Pad
Pad
GND
GND
SCLK and XTAL_IN
Input Pad
Pad
VDD_IO
Receiver
Slew
Rate
Control
Receiver
GND
DD_IO
XTAL
Output Pad
GND
NOTE: All I/O circuitry shown above is for reference only. The actual implementation may be different.
Figure 38. Typical I/O Equivalent Circuits
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