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98ASA00173D Datasheet(PDF) 5 Page - Freescale Semiconductor, Inc |
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98ASA00173D Datasheet(HTML) 5 Page - Freescale Semiconductor, Inc |
5 / 50 page Analog Integrated Circuit Device Data Freescale Semiconductor 5 33814 3 Pin Connections 3.1 Pinout Diagram Figure 3. 33814 Pin Connections 3.2 Pin Definitions Table 2. 33814 Pin Definitions A functional description of each pin can be found in the Functional Pin Description section beginning on page 20. Pin Pin Name Pin Function Formal Name Description 1 O2HFB Input O2 Sensor Heater Feedback Input Voltage feedback from drain of O2 Sensor Heater driver FET 2 O2HOUT Output O2 Sensor Heater Output Pre-driver output for O2 Sensor Heater driven by SPI input or O2HIN pin 3 IGNSENSP Input Ignition Current Sense Input Positive Positive input to the ignition current sense differential amplifier Used to measure current in IGBT emitter resistor for IGNOUT1 and IGNOUT2, if used. 4 IGNSENSN Input Ignition Current Sense Input Negative Negative input to the ignition current sense differential amplifier Used to measure current in IGBT emitter resistor for IGNOUT1 and IGNOUT2, if used 5 O2HSENSN Input O2 Heater Current Sense Input Negative Negative input to the O2 heater current sense differential amplifier Used to measure current in of O2 heater driver MOSFET source resistor, if used. O2HFB O2HOUT IGNSENSP IGNSENSN O2HSENSN VRSP VRSN CSB VPWR SCLK NC TACHOUT MRX MTX BATSW INJIN1 IGNIN2 IGNIN1 O2HIN RIN2 RIN1 O2HSENSP VRSOUT INJIN2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Transparent Top View |
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