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ASX340 Datasheet(PDF) 74 Page - List of Unclassifed Manufacturers |
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ASX340 Datasheet(HTML) 74 Page - List of Unclassifed Manufacturers |
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74 / 78 page ![]() PDF: 171981479/Source: 8304342517 Aptina reserves the right to change products or specifications without notice. ASX340/MT9V139_DS Rev. C Pub. 3/11 EN 74 © 2010 Aptina Imaging Corporation All rights reserved. ASX340/MT9V139: 1/4-Inch Color CMOS NTSC/PAL Digital Image Sensor Electrical Specifications Aptina Confidential and Proprietary Preliminary Two-Wire Serial Bus Timing Figure 55 and Table 51 describe the timing for the two-wire serial interface. Figure 55: Two-Wire Serial Bus Timing Parameters Table 51: Two-Wire Serial Bus Characteristics fEXTCLK = 27 MHz; VDD = 1.8V; VDD_IO = 2.8V; VAA = 2.8V; VAA_PIX = 2.8V; VDD_PLL = 2.8V; VDD_DAC = 2.8V; TA = 25°C Parameter Symbol Standard-Mode Fast-Mode Unit Min Max Min Max SCLK Clock Frequency fSCL 0 100 0 400 KHz Hold time (repeated) START condition. After this period, the first clock pulse is generated tHD;STA 4.0 - 0.6 - μS LOW period of the SCLK clock tLOW 4.7 - 1.3 - μS HIGH period of the SCLK clock tHIGH 4.0 - 0.6 - μS Set-up time for a repeated START condition tSU;STA 4.7 - 0.6 - μS Data hold time: tHD;DAT 04 3.455 06 0.95 μS Data set-up time tSU;DAT 250 - 1006 -nS Rise time of both SDATA and SCLK signals tr - 1000 20 + 0.1Cb7 300 nS Fall time of both SDATA and SCLK signals tf - 300 20 + 0.1Cb7 300 nS Set-up time for STOP condition tSU;STO 4.0 - 0.6 - μS SCLK SDATA SCLK SDATA Write Start Ack Stop Read Start Ack t SHAR t AHSR t SDHR t SDSR Read Sequence Write Sequence Read Address Bit 7 Read Address Bit 0 Register Value Bit 7 Register Value Bit 0 Write Address Bit 7 Write Address Bit 0 Register Value Bit 7 Register Value Bit 0 t SRTH t SCLK t STPS t SDH t SDS t SHAW t AHSW t STPH |
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