SEC1210/PV-UR2

Specialized Overview

The SEC1210/PV-UR2 is a dual smart card bridge IC manufactured by Microchip Technology. It interfaces two ISO/IEC 7816 compliant smart cards to a host via UART or USB 2.0 Full Speed (12 Mbps). The device integrates an enhanced 8051 microcontroller with 16 KB OTP ROM and 1.5 KB RAM, operating at a maximum clock speed of 9.6 MHz. It supports Class A, B, C, and AB smart cards with supply voltages ranging from 3.6 V to 5.5 V. The component operates within a commercial temperature range of 0°C to +70°C and is housed in a QFN-24 package.

Specialized Feature Summary

• Dual smart card interface supporting T=0 and T=1 protocols with automatic half-duplex operation
• Integrated USB 2.0 Full Speed PHY with programmable endpoint buffers
• Embedded enhanced 8051 processor for protocol handling and system control
• Internal power regulation for 1.8V, 3.0V, and 5.0V smart card classes

Specialized Applications

• USB-based smart card readers
• UART-based smart card readers
• Dual smart card reader systems

Specialized Procurement Notes

Verify the specific ordering suffix against the manufacturer's Product Identification System to confirm interface type and temperature grade. Ensure compatibility with the required host communication protocol before procurement. Confirm package availability and lead times through authorized distribution channels.

Specialized Selection Notes

Select this model when dual smart card support is required alongside either UART or USB connectivity. The SEC1110 variant provides single card support. Verify that the host system can accommodate the 3.6V to 5.5V input voltage range and that the QFN-24 package fits the PCB layout constraints.

Specialized Part Context

This component belongs to the SEC1110/SEC1210 family of smart card bridges. It shares the core 8051 architecture and USB subsystem with the SEC1110 but adds a second smart card interface and UART/SPI capabilities. The PV-UR2 suffix indicates the specific pinout and interface configuration for dual card UART/USB operation.

Specialized Replacement Considerations

The SEC1110/PV-UR2 serves as a functional substitute if only one smart card interface is needed. No other direct cross-model replacements are documented in the provided datasheet.