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ASX340CS 数据表(PDF) 11 Page - ON Semiconductor |
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ASX340CS 数据表(HTML) 11 Page - ON Semiconductor |
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11 / 74 page ![]() ASX340CS_DS Rev. F Pub. 6/15 EN 11 ©Semiconductor Components Industries, LLC, 2015. ASX340CS: 1/4-Inch Color CMOS NTSC/PAL Digital Image Sensor Pin Descriptions and Assignments Composite Video Output F5 DAC_POS Output Positive video DAC output in differential mode. Video DAC output in single-ended mode. This interface is enabled by default using NTSC/PAL signalling. For applications where composite video output is not required, the video DAC can be placed in a power-down state under software control. G5 DAC_NEG Output Negative video DAC output in differential mode. A4 DAC_REF Output External reference resistor for the video DAC. Manufacturing Test Interface D3 TDI Input JTAG Test pin (Reserved for Test Mode) G2 TDO Output JTAG Test pin (Reserved for Test Mode) F3 TMS Input JTAG Test pin (Reserved for Test Mode) C3 TCK Input JTAG Test pin (Reserved for Test Mode) C4 TRST_N Input Connect to GND. G6 ATEST1 Input Analog test input. Connect to GND in normal operation. F6 ATEST2 Input Analog test input. Connect to GND in normal operation. GPIO C1 GPIO12 Input/Output Dedicated general-purpose input/output pin. A3 GPIO13 Input/Output Dedicated general-purpose input/output pin. Power G4 VREG_BASE Supply Voltage regulator control. Leave floating if not used. A5, A7, D8, E7, G1, G3 VDD Supply Supply for VDD core: 1.8V nominal. Can be connected to the output of the transistor of the off-chip bypass transistor or an external 1.8V power supply. B2, B8, C8, E3, E8, G8, H8 VDD_IO Supply Supply for digital IOs: 2.8V nominal. H5 VDD_DAC Supply Supply for video DAC: 2.8V nominal. A8 VDD_PLL Supply Supply for PLL: 2.8V nominal. B4, H6 VAA Supply Analog power: 2.8V nominal. H7 VAA_PIX Supply Analog pixel array power: 2.8V nominal. Must be at same voltage potential as VAA. H4 Reserved Leave floating for normal operation. B5, C5, D1, D5, H1 DGND Supply Digital ground. E5, F4 AGND Supply Analog ground. Table 1: Pin Descriptions (continued) Pin Number Pin Name Type Description |
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