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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ML7396AB датащи(PDF) 46 Page - LAPIS Semiconductor Co., Ltd. |
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ML7396AB датащи(HTML) 46 Page - LAPIS Semiconductor Co., Ltd. |
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46 / 140 page  FEDL7396A/B/E-07 ML7396A/B/E 46/140 The following is timing chart for continuous mode. [Conditions] ADC_CK_SET ([ADC_CLK_SET:B0 0x08(4)])=0b1 (2MHz) ED_AVG[2:0] ([ED_CNTRL:B0 0x1B(2-0)])=0b011 (ED value 8 times average) IDLE_WAIT[9:0] ([IDLE_WAIT_L/H:B0 0x17/0x18(1-0)])=0b00_0000_0000 (IDLE detection 0μs) [BUST to IDLE transitions, terminated with CCA_LOOP_STOP] After CCA_LOOP_STOP is issued, CCA_LOOP_START, CCA_EN and CCA_LOOP_STOP are automatically cleared. [Note] 1. After issuing CCA command, transit into no-input state, and exit this state after filter stbilization. 2. When the iput level chnge from no-input to -80dBm, it takes around 32 μs for indicating -80dBm ED value. ED (21-28) ED (43-50) ED value (Internal signal) AD conversion (16μs) ED value average period (128μs) 0b10 (CCA on-going) ED0 ED7 ED8 ED28 CCA_LOOP_START/ CCA_EN [CCA_CNTRL:B0 0x15(5,4)] 0b00 (IDLE) ED Value[7:0] [ED_RSLT:B0 0x16] INVALID averaging > CCA_TH_LV B0 0x13 ED (0-7) <CCA_TH_LV B0 0x13 Interrupt not generated 0b01 (BUSY) When 8 times ED value acquision, ED_DONE=0b1. (8 times average setting) ED50 CCA_LOOP_STOP [CCA_CNTRL:B0 0x15(6)] Filter stabilization 16 to 32 μs ●●● ●●● ●●● ED ●●● ●●● (1-8) CCA_RSLT[1:0] [CCA_CNTRL:B0 0x15(1-0)] IDLE_WIAT[9:0] should be seto, for IDLE detection for longer period CCA_DONE [CCA_CNTRL:B0 0x15(2)] ED_DONE [ED_CNTRL:B0 0x1b(4)] |
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