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HIP9011 - Engine Knock Signal Processor

Description

Five volt power input.

This pin is tied to ground.

This pin is connected to the internal mid-supply generator and is brought out for bypassing by a 0.022F capacitor.

Features

  • Two Sensor Inputs.
  • Microprocessor Programmable.
  • Accurate and Stable Filter Elements.
  • Digitally Programmable Gain.
  • Digitally Programmable Time Constants.
  • Digitally Programmable Filter Characteristics.
  • On-Chip Crystal Oscillator.
  • Programmable Frequency Divider.
  • External Clock Frequencies up to 24MHz - 4, 5, 6, 8, 10, 12, 16, 20, and 24MHz.
  • Operating Temperature Range -40oC to 125oC.
  • Pb-Free Plus Ann.

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Datasheet Details

Part number HIP9011
Manufacturer Renesas
File Size 608.69 KB
Description Engine Knock Signal Processor
Datasheet download datasheet HIP9011 Datasheet

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Full PDF Text Transcription

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DATASHEET HIP9011 Engine Knock Signal Processor FN4367 Rev 2.00 January 6, 2006 The HIP9011 is used to provide a method of detecting premature detonation often referred to as “Knock or Ping” in internal combustion engines. The IC is shown in the Simplified Block Diagram. The chip can select between one of two sensors, if needed for accurate monitoring or for “V” type engines. Internal control via the SPI bus is fast enough to switch sensors between each firing cycle. A programmable bandpass filter processes the signal from either of the sensor inputs. The bandpass filter can be selected to optimize the extraction the engine knock or ping signals from the engine background noise.
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