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PCA9561 - Quad 6-bit multiplexed I2C EEPROM DIP switch

Description

The PCA9561 is a 20-pin CMOS device consisting of four 6-bit non-volatile EEPROM registers, six hardware pin inputs and a 6-bit multiplexed output.

Features

  • Selection of non-volatile register_n as source to MUX_OUT pins via I2C-bus.
  • I2C-bus can override MUX_SELECT pin in selecting output source.
  • 6-bit 5-to-1 multiplexer DIP switch.
  • Four internal non-volatile registers.
  • Internal non-volatile registers programmable and readable via I2C-bus.
  • Six open-drain multiplexed outputs.
  • 400 kHz maximum clock frequency.
  • Operating supply voltage 3.0 V to 3.6 V.
  • 5 V and 2.5 V tolerant inputs/outputs.
  • Useful for Spe.

📥 Download Datasheet

Datasheet Details

Part number PCA9561
Manufacturer NXP Semiconductors
File Size 708.23 KB
Description Quad 6-bit multiplexed I2C EEPROM DIP switch
Datasheet download datasheet PCA9561 Datasheet

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Full PDF Text Transcription

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PCA9561 Quad 6-bit multiplexed I2C-bus EEPROM DIP switch Rev. 4 — 6 November 2012 Product data sheet 1. General description The PCA9561 is a 20-pin CMOS device consisting of four 6-bit non-volatile EEPROM registers, six hardware pin inputs and a 6-bit multiplexed output. It is used for DIP switch-free or jumper-less system configuration and supports Mobile and Desktop VID Configuration, where five preset values (four sets of internal non-volatile registers and one set of external hardware pins) set processor voltage for operation in various performance or battery conservation sleep modes.
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