概要

The QCIOT-RTC22MPOCZ board features the low-power ISL12022M Real-Time Clock (RTC) devices with an embedded temperature sensor and 32.768kHz quartz crystal. The built-in automatic switchover to battery backup for power failure draws only 1.6μA extending battery life while providing continuous power to the 128-byte SRAM, oscillator, and RTC registers.

The RTC tracks time with separate registers for hours, minutes, and seconds. The calendar registers track date, month, year, and day of the week and is accurate through 2099 with automatic leap year correction.

The board provides a standard Pmod™ Type 6A (Extended I²C) connection for the onboard devices to plug into any MCU evaluation kit with a matching connector. QCIOT- RTC22MPOCZ features Pmod connectors on both sides of the board allowing additional Type 6/6A boards to be connected in a daisy-chained solution with multiple QCIOT boards on the same MCU Pmod connector.

QCIOT-RTC22MPOCZ Low Power RTC with Battery Backed SRAM Board - Top
QCIOT-RTC22MPOCZ Low Power RTC with Battery Backed SRAM Board - Bottom
QCIOT-RTC22MPOCZ Low Power RTC with Battery Backed SRAM Board - Top
QCIOT-RTC22MPOCZ Low Power RTC with Battery Backed SRAM Board - Bottom
  • Embedded 32.768kHz quartz crystal in the package
  • 10-bit digital temperature sensor output
  • 128 bytes battery-backed user SRAM
  • 1.6μA maximum battery current
  • Timestamp for battery switchover
  • Calendar and Auto daylight saving
  • Standardized Type 6A Pmod™ connector supports Extended I²C interface
  • Dual connectors allow pass-through signals for daisy-chained solutions

アプリケーション

  • Utility meters
  • POS equipment
  • Printers and copiers
  • Digital Cameras

ドキュメント

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分類 タイトル 日時
マニュアル－ハードウェア
QCIOT-RTC22MPOCZ Development Board Manual
PDF 2.12 MB
回路図
QCIOT-RTC22MPOCZ Development Board Schematic
PDF 300 KB
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