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MH Real Time Clock module – 2
190.00৳
DS1302 is DALLAS company launched a trickle charge clock chip, containing a real-time clock/calendar and 31 bytes of static RAM, communicating through serial interface simple and single-chip microcomputer. The real-time clock/calendar circuit provides seconds, hours, days, weeks, months, years of information, a number of days in the month and leap year can automatically adjust. The clock operation instructions through the AM/PM decided to use 24 or 12-hour format.
Out of stock
পিন ডেস্ক্রিপশন
| PIN | NAME | FUNCTION |
|---|---|---|
| 1 | VCC2 |
Primary Power-Supply Pin in Dual Supply Configuration. VCC1 is connected to a backup source to maintain the time and date in the absence of primary power. The DS1302 operates from the larger of VCC1 or VCC2. When VCC2 is greater than VCC1 + 0.2V, VCC2 powers the DS1302. When VCC2 is less than VCC1, VCC1 powers the DS1302. |
|
2 |
X1 |
Connections for Standard 32.768kHz Quartz Crystal. The internal oscillator is designed for operation with a crystal having a specified load capacitance of 6pF. For more information on crystal selection and crystal layout considerations, refer to Application Note 58: Crystal Considerations for Dallas Real-Time Clocks. The DS1302 can also be driven by an external 32.768kHz oscillator. In this configuration, the X1 pin is connected to the external oscillator signal and the X2 pin is floated. |
|
3 |
X2 | |
|
4 |
GND |
Ground |
|
5 |
CE |
Input. CE signal must be asserted high during a read or a write. This pin has an internal 40kΩ (typ) pulldown resistor to ground. Note: Previous data sheet revisions referred to CE as RST. The functionality of the pin has not changed. |
|
6 |
I/O |
Input/Push-Pull Output. The I/O pin is the bidirectional data pin for the 3-wire |
|
7 |
SCLK |
Input. SCLK is used to synchronize data movement on the serial interface. This pin has an internal 40kΩ (typ) pulldown resistor to ground |
|
8 |
VCC1 |
Low-Power Operation in Single Supply and Battery-Operated Systems and LowPower Battery Backup. In systems using the trickle charger, the rechargeable energy source is connected to this pin. UL recognized to ensure against reverse charging current when used with a lithium battery. |
পিন কনফিগারেশন
| Pins |
CLK ,DAT ,GND ,RST ,VCC |
|---|---|
| Brand |
– |
| MFR# |
– |
| Package/Size |
– |
| Connectivity |
– |
| IO Ports |
– |
| EasyEDA ID |
– |
| Mounting |
– |
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