SEC1210-CN-02-TR

Specialized Overview

The SEC1210-CN-02-TR is a dual smart card bridge IC from Microchip Technology, designed to interface with USB and UART host systems. It integrates an enhanced 8051 microcontroller with 16 KB OTP ROM and 1.5 KB RAM. The device supports two ISO/IEC 7816 compliant smart card interfaces and operates on a 3.6V to 5.5V supply. It features a self-clocking internal oscillator, eliminating the need for external crystals. The component is housed in a QFN-24 package and is rated for commercial temperature ranges.

Specialized Feature Summary

• Dual smart card interface supporting Class A, B, C, and AB cards with automatic voltage regulation
• Integrated USB 2.0 full-speed controller with built-in PHY and endpoint buffers
• Embedded enhanced 8051 processor with hardware protocol handling for T=0 and T=1
• UART interface supporting standard PC baud rates and high-speed 3 M baud operation

Specialized Applications

• USB-based dual smart card readers
• UART-based dual smart card readers
• Secure authentication modules requiring dual SIM or payment card support

Specialized Procurement Notes

Verify the specific ordering suffix against the manufacturer's current product identification system to confirm interface configuration and packaging type. Ensure compatibility with the intended host controller firmware and check for any recent product change notifications that may affect pinout or electrical characteristics prior to final design implementation.

Specialized Selection Notes

Select this component when a single-chip solution for dual smart card management is required alongside USB or UART connectivity. Consider the integrated power regulators and ESD protection if minimizing external components is a priority. Verify that the 9.6 MHz maximum clock speed and 16 KB OTP memory are sufficient for the target application's firmware requirements.

Specialized Part Context

This part belongs to the SEC1210 family, which provides dual smart card interfaces compared to the single-interface SEC1110. The -CN-02 suffix typically denotes a specific variant within the series, likely indicating the commercial temperature range and specific interface configuration as defined by Microchip's naming conventions.

Specialized Replacement Considerations

Direct substitutes include other parts within the SEC1210 family with matching interface configurations. Cross-family replacements require verification of pin compatibility and register-level software migration efforts.