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TDA7511 数据表(PDF) 25 Page - STMicroelectronics |
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TDA7511 数据表(HTML) 25 Page - STMicroelectronics |
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25 / 41 page ![]() 25/41 TDA7511 Addr 5 PLL Reference Counter 2 (MSB) Note: 1. fOSC/fREF = LSB + MSB + 1 Addr 6, Addr7, Addr 8 TV1,2 (proportional and offset control referred to tuning voltage V28) Note: 1. TV1,2 = V28 + V28 * TVR/128 + TVO * 50mV TVR: -31, -30, ... 0 ... 30, 31 TVO: -7, -6, ... 0 ... 6, 7 Table 9. MSB LSB Function d7 d6 d5 d4 d3 d2 d1 d0 000 000 00 MSB = 0 000 000 01 MSB = 256 000 000 10 MSB = 512 --- ---- - - 1 1 1 1 1 1 0 0 MSB = 64768 1 1 1 1 1 1 0 1 MSB = 65024 1 1 1 1 1 1 1 0 MSB = 65280 1 1 1 1 1 1 1 1 MSB = 65536 Table 10. addr8 addr6 Function TV1 d7 d6 d7 d6 d5 d4 d3 d2 d1 d0 addr8 addr7 Function TV2 d5 d4 d7 d6 d5 d4 d3 d2 d1 d0 000000 TVR = 0 000001 TVR = -1 000010 TVR = -2 ------- - - 011111 TVR = -31 100001 TVR = +1 100010 TVR = +2 ---------- - 111111 TVR = +31 0000 TVO = 0 0001 TVO = -1 0010 TVO = -2 ---------- - 0111 TVO = -7 1001 TVO = +1 1010 TVO = +2 ----- ---- - 1111 TVO = +7 |
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