Details

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BUY M48T59Y-70PC1D https://www.utsource.net/itm/p/12543099.html

Parameter	Description	Value
Device	Real-Time Clock (RTC) with Integrated SRAM	M48T59Y-70PC1D
Package	Package Type	SOIC-24
Operating Voltage	Supply Voltage Range	2.0V to 5.5V
Current Consumption	Active Mode Current	1.0 μA (typical)
Temperature Range	Operating Temperature Range	-40°C to +85°C
RAM Size	Integrated SRAM Size	512 bytes
Clock Accuracy	Accuracy at 25°C	±2 ppm
Clock Source	External Crystal Oscillator Frequency	32.768 kHz
Communication Interface	Serial Interface Type	I2C
Write Protection	Write Protect Pin	Yes
Battery Backup	Battery Backup for SRAM	Yes
Power-On Reset	Power-On Reset Function	Yes
Pin Count	Number of Pins	24

Instructions

1. Power Supply:

   • Connect VCC to the supply voltage (2.0V to 5.5V).
   • Connect GND to the ground.

2. Crystal Connection:

   • Connect a 32.768 kHz crystal between X1 and X2 pins for clock generation.

3. I2C Communication:

   • Connect SDA (Serial Data Line) and SCL (Serial Clock Line) to the respective I2C lines on your microcontroller.
   • Use pull-up resistors (typically 4.7kΩ) on both SDA and SCL lines to VCC.

4. Write Protection:

   • Set the WP (Write Protect) pin to high to enable write protection for the SRAM and RTC registers.
   • Set the WP pin to low to allow writing to the SRAM and RTC registers.

5. Battery Backup:

   • Connect a backup battery to the VBAT pin to maintain the SRAM and RTC operation during power loss.

6. Power-On Reset:

   • The device includes a built-in power-on reset circuit. Ensure that the supply voltage rises above the threshold to initialize the device correctly.

7. Programming:

   • Use the I2C protocol to read from and write to the RTC and SRAM registers.
   • Refer to the device datasheet for specific register addresses and command sequences.

8. Handling:

   • Handle the device with care to avoid static damage.
   • Store in a dry environment to prevent moisture damage.

For detailed programming examples and further information, refer to the M48T59Y-70PC1D datasheet provided by the manufacturer.

(For reference only)