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ATXP032 Datasheet(PDF) 65 Page - Dialog Semiconductor |
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ATXP032 Datasheet(HTML) 65 Page - Dialog Semiconductor |
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65 / 113 page ![]() 63 ATXP032 DS-ATXP032–114I–4-2020 12.4 I/O Pin Drive Strength Control Register The I/O Pin Strength Control register is used to control the driver strength and the nominal impedance of the I/O pins. Choice of driver strength depends on the system speed and power requirements of the host design. Lower Table 12-8. Dummy Clock Cycles and Maximum Operating Frequency — -40 oC to +85 oC P3 P2 P1 P0 Maximum Frequency 0Bh Command 0Ch Command Dummy Clocks Octal Mode SDR Octal Mode DDR Octal Mode SDR Octal Mode DDR 0 0 0 0 8 75 50 60 45 0 0 0 1 10 95 85 80 75 0 0 1 0 12 95 85 80 75 0 0 1 1 14 95 115 80 95 0 1 0 0 16 95 115 80 95 0 1 0 1 18 95 150 80 133 0 1 1 0 20 95 150 80 133 0 1 1 1 22 (Default) 95 150 80 133 1 x x x Reserved for future use -- -- -- -- Table 12-9. Dummy Clock Cycles and Maximum Operating Frequency — -40 oC to +105 oC P3 P2 P1 P0 Maximum Frequency 0Bh Command 0Ch Command Dummy Clocks Octal Mode SDR Octal Mode DDR Octal Mode SDR Octal Mode DDR 0 0 0 0 8 75 50 60 45 0 0 0 1 10 95 85 80 75 0 0 1 0 12 95 85 80 75 0 0 1 1 14 95 115 80 95 0 1 0 0 16 95 115 80 95 0 1 0 1 18 95 150 80 133 0 1 1 0 20 95 150 80 133 0 1 1 1 22 (Default) 95 150 80 133 1 x x x Reserved for future use -- -- -- -- |
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