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TDA7513T датащи(PDF) 50 Page - STMicroelectronics |
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TDA7513T датащи(HTML) 50 Page - STMicroelectronics |
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50 / 84 page ![]() Software specifications TDA7513T 50/84 Table 35. Subaddress 1: PLL lock detector, FM mode and test MSB LSB Function D7 D6 D5 D4 D3 D2 D1 D0 Charge pump 0 VCO adjust lock Disable 1 VCO adjust lock Enable 0 fref BYPASS Disable 1 fref BYPASS Enable Tuner / PLL AM/FM mode 0 Select AM mode 1 Select FM mode Lock detector control 0 0 PD phase difference threshold 10ns 0 1 PD phase difference threshold 20ns 1 0 PD phase difference threshold 30ns 1 1 PD phase difference threshold 40ns 0 0 Not valid 0 1 Activation delay 4x1/fREF 1 0 Activation delay 6x1/fREF 1 1 Activation delay 8x1/fREF 0 Lock detector doesn’t control charge pump 1 Lock detector controls charge pump Table 36. Subaddress 2: PLL counter 1 (LSB) MSB LSB Function D7 D6 D5 D4 D3 D2 D1 D0 00 00 0 0 0 0 LSB = 0 00 00 0 0 0 1 LSB = 1 00 00 0 0 1 0 LSB = 2 11 11 1 1 0 0 LSB = 252 11 11 1 1 0 1 LSB = 253 11 11 1 1 1 0 LSB = 254 11 11 1 1 1 1 LSB = 255 |
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