G-MOD : MCP79412 Precision Real-Time Clock (RTC) Module image 1

G-MOD : MCP79412 Precision Real-Time Clock (RTC) Module

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  • Real-Time Clock (RTC) with calendar up to year 2399
  • Leap-year compensation and 12/24-hour format support
  • Alarm functions with programmable match options
  • Square-wave output at multiple frequencies (1 Hz, 4 kHz, 8 kHz, 32 kHz)
  • 64 bytes of general-purpose SRAM
  • Unique, factory-programmed 64-bit ID
  • Low operating current and standby consumption

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Product Details

G-MOD : MCP79412 Real-Time Clock (RTC) Module

The G-MOD MCP79412 is a high-accuracy, battery-backed Real-Time Clock (RTC) module designed to provide reliable timekeeping in embedded systems, IoT devices, data loggers, and consumer electronics.

Built on Microchip’s MCP79412 IC, this module keeps track of seconds, minutes, hours, day, date, month, year, and leap year with leap-year correction through 2399. It features a backup battery input to maintain timekeeping during power loss and includes 64 bytes of SRAM and a unique 64-bit ID for system authentication or tracking.

Interface definition
  • VCC: Power supply
  • GND: Power ground
  • I / B : Backup battery input
  • CLK / MFP: Multi-function pin (square wave output, alarm interrupt, or general output)
  • SDA: I²C serial data line
  • SCL: I²C serial clock line
ICS-43434 connection with ESP32 / GLYPH Development Board
  1. VDD – 3.3V
  2. GND – GND
  3. I/B – GPIO 2
  4. SDA – SDA / GPIO 4
  5. SCL – SCL / GPIO 5

Features:

  • Real-Time Clock (RTC) with calendar up to year 2399
  • Leap-year compensation and 12/24-hour format support
  • Battery-backup input (VBAT) for uninterrupted timekeeping
  • Timestamp function for power-fail events
  • Alarm functions with programmable match options
  • Square-wave output at multiple frequencies (1 Hz, 4 kHz, 8 kHz, 32 kHz)
  • 64 bytes of general-purpose SRAM
  • Unique, factory-programmed 64-bit ID
  • I²C serial interface, 100 kHz & 400 kHz support
  • Low operating current and standby consumption
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Specifications

SKUgm008
Stock StatusIn Stock
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More Information

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