STV9432TA Просмотр технического описания (PDF) - STMicroelectronics

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STV9432TA

100MHz OSD FOR MONITOR INCLUDING BEAM CURRENTS & VIDEO TIMING ANALYZER

STMicroelectronics 

STV9432TA

Figure 6. Video Timing Measurement sequence - “Select bit = 1” (TIMG register, bit 0)

I2C SET STM BIT (TIMG register)

WAIT FOR ACKNOWLEDGE BIT

WAIT FOR RISING EDGE OF VS

MEASURES H1 AT EVERY LINE

DURING NFR+1 FRAMES.

AFTER NFR+1 FRAMES,

H1 HOLDS THE MIN.VALUE

MEASURES H2 AT EVERY LINE

DURING NFR+1 FRAMES.

AFTER NFR+1 FRAMES,

H2 HOLDS THE MIN.VALUE

MEASURES V3

WAIT FOR 4*SBN RISING EDGES OF HS

MEASURES V1 DURING NFR+1

AND KEEPS THE MIN. VALUE

ACQUISITION OF H3, H4, H5, H6

MEASURES V2 DURING NFR+1

AND KEEPS THE MIN. VALUE

AFTER NFR+1 FRAMES, RESET STM BIT

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