NFC (Near Field Communication) is a near - field communication function and falls under the category of short - range wireless communication technology. It enables non - contact point - to - point data transmission between electronic devices and is widely utilized in mobile payment scenarios such as in buildings and public transportation (including payment, ticketing, e - tickets, data exchange, etc.).
Performance Parameters
Main Chip: ST21NFCDXBGARA7, ARM® Cortex® - M3
Frequency: 13.56MHz
Output Power: Max 1.3W
Reading Distance: Related to antenna design, typically 10 - 60mm -Dimensions:
Module Size: 12.7 x 12.0 x 2.5mm
Pin Pitch/Number: 1.25mm/20pin Packaging/Weight**: LCC/5g
Interfaces:
I2C: Communicates with SDA, SCL, and external control chips. -Antenna: Two symmetrical antenna interfaces.
Electrical Characteristics:
Operating Voltage: DC 3.6 - 5.0V
Operating Current: Reading current Typ: 270 mA
Power Consumption: Standby: ≤75uA
Environmental Parameters:
Operating Temperature: - 25°C - 85°C
Storage Temperature: - 65°C - 150°C
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