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ML6431CH Datasheet(PDF) 8 Page - Micro Linear Corporation |
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ML6431CH Datasheet(HTML) 8 Page - Micro Linear Corporation |
8 / 33 page ML6430/ML6431 8 DEVICE FUNCTIONAL DESCRIPTION Video Formats, Timing, Clock Input Free Run VGA VCR and Pulse Rates Crystal Mode Clock Lock Generation NTSC PAL CCIR601 Square 4xFSC 3.58 4.43 Pixel MHz MHz ML6430 Yes Yes Yes Yes Yes Yes Yes Yes. Limited Yes. Limited to Yes transition 640x480 between free pixel clock. run modes 1 and 2. (Figure 4) ML6431 Yes Yes* Yes Yes* Yes Yes Yes Yes. Faster Yes. Works Yes. transition be- up to 75MHz. tween freerun (Table 6) modes 1and 2. (Figure 4a) * Readjusted the center frequency for PAL square pixel with NTSC crystal to achieve greater than +/-5% range. See Table 4 Table 1. Summary of Functional Differences between the ML6430 and ML6431. DEVICE MODE REGISTER DIFFERENCES PIN OUT DIFFERENCES Register 7, Register 7, Pin 3 Pin 16 Bit 2 Bit 3 ML6430 Sleep Mode 0 0 SLEEP AUDIOCLK Pulse Generator Mode* 1 0 54MHz** AUDIOCLK Time Base Correction Mode This function not available in the ML6430 ML6431 Sleep Mode 0 0 SLEEP AUDIOCLK Pulse Generator Mode* 1 0 54MHz** AUDIOCLK PHERROUT Mode* X 1 Must be set HIGH PHERROUT Table 2. Summary of Register Differences between the ML6430 and ML6431. *For these modes the SLEEP mode can only be enable/disabled via serial bus (Register 8). **The 54MHz clock input (pin 3) can be any 4 x Clock up to 70MHz DEVICE DIFFERENCES Tables 1 and 2 summarize the differences between the ML6430 and ML6431. The pinouts of the ML6430 and the ML6431 are the same with the exception that the ML6431 has a few enhancements, (Center Frequency and Free Run Mode, see Table 1) and added functionality (see Table 2). |
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