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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ML7344CE датащи(PDF) 80 Page - LAPIS Semiconductor Co., Ltd. |
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ML7344CE датащи(HTML) 80 Page - LAPIS Semiconductor Co., Ltd. |
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80 / 154 page  FEDL7344C/E/J-05 ML7344C/E/J 80/154 [ED value 1time IDLE detection case] Set ADC_CLK_SEL ([ADC_CLK_SET: B1 0x08(4)]) =0b1. (1.73 MHz) Set ED_AVG[2:0] ([ED_CTRL: B0 0x41(2-0)])=0b000. (1 time average) Set IDLE_WAIT[9:0] ([IDLE_WAIT_L/H:B0 0x3C/3B(1-0)])=0b00 0000 1110 (IDLE detection 259µs) NOTE: *1 Digital filter delay is “AD conversion time * 8”. AD conversion time can be slected by ADC_CLK_SEL ([ADC_CLK_SET: B1 0x08(4)]). Reset value is 1.73MHz and AD conversion time is 18.5μs. ED value (internal signal) CCA_RSLT[1:0] [CCA_CTRL: B0 0x39(1-0)] INT[18] (CCA completion) [INT_SOURCE_GRP3: B0 0x0F(2)] CCA_EN [CCA_CTRL: B0 0x39(4)] ED_VALUE[7:0] [ED_RSLT: B0 0x3A] AD conversion (18.5μs) ED value average period (18.5μs) 0b10 (CCA on-going) ED1 ED (0) 0b00 (IDLE) *1 Do not average CCA execution period (Min.148μs+18.5μs+259μs =425.5μs) < CCA_LVL B0 0x37 ED0 ED2 ED13 ED3 ED14 ●●● ED (1) ED (2) ED (12) IDLE_WAIT[9:0] [IDLE_WAIT_L\H: B0 0x3C/3B] IDLE detection period (259μs) INVALID 0x000 0x001 0x002 0x00C (average ED value < CCA_LVL) continue for AD conversion period 14 times (259μs), then IDLE is determined. ●●● ED (13) ED (14) ●●● 0x00D 0x00E |
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