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TLE7269G датащи(PDF) 8 Page - Infineon Technologies AG |
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TLE7269G датащи(HTML) 8 Page - Infineon Technologies AG |
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8 / 34 page ![]() TLE7269G Functional Description Data Sheet 8 Rev. 1.2, 2007-11-13 4.1 Operating Modes Figure 4 Operation Mode State Diagram Status TxD1? HIGH LOW Stand-By Mode Low Slope Mode (Transceiver 1 & Transceiver 2) Sleep Mode INH1/INH2 = Float EN = LOW RxD1/RxD2 = Float Status W2O ? INH1, INH2 = HIGH TxD1 (see Note 1) RxD1, RxD2 (see Note 2) Note 1: TxD1: Strong Pull Down > 1.5 mA after Wake-Up via pin WK TxD1: Weak Pull Down 350 k Ω after Power-Up and Wake-Up via BUS1 or BUS2 INH1 = HIGH INH2 = HIGH EN = HIGH Flash Mode (Transceiver 1 & Transceiver 2) INH1 = High INH2 = High EN = High Normal Operation Mode Note 2: RxD1: logical „High“ after Power-Up RxD1: logical „Low“ after Wake-Up via BUS1 or BUS2 or after Wake-Up via pin WK RxD2: logical „Low“ after Wake-Up via BUS2 Start-Up Power-Up EN EN TxD1 EN High Normal Slope Mode (Transceiver 1 & Transceiver 2) INH1 = HIGH INH2 = HIGH EN = HIGH TxD1 EN TxD1 EN EN EN EN HIGH LOW Bus Wake-Up feature on BUS2 turned off! Sleep Mode INH1/INH2 = Float EN = LOW RxD1/RxD2 = Float EN Low EN EN Wake-Up via on pin Wk via on pin BUS1 or BUS2 Wake-Up via on pin Wk via on pin BUS1 only ! TxD1 EN High EN Low Go To Normal Operation Mode Go To Sleep Mode |
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