SEC1110I-A5-02-TR

Specialized Overview

The SEC1110I-A5-02-TR is a smart card bridge IC from Microchip Technology, designed to interface with USB and UART hosts. It features an enhanced 8051 microcontroller with 16 KB OTP ROM and 1.5 KB RAM. The device supports one smart card interface compliant with ISO/IEC 7816, EMV, and PC/SC standards. Electrical specifications include a supply voltage range of 3.6 V to 5.5 V, operating current of 55 mA, and a maximum clock speed of 9.6 MHz. It operates within a temperature range of -40°C to +85°C and is housed in a QFN-16 package.

Specialized Feature Summary

• Integrates a full-packet FIFO for transmit and receive operations to minimize software intervention.
• Supports Class A, B, C, and AB smart cards with automatic power regulation and deactivation sequences.
• Includes an integrated USB 2.0 Full-Speed PHY with built-in pull-up and termination resistors.
• Features TrustSpan technology for secure communication and processing capabilities.

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 configuration and temperature grade. Ensure compatibility with the target host controller requirements before integration. Cross-reference the datasheet revision to confirm operational parameters match the design specifications.

Specialized Selection Notes

Select this component when a single-chip solution for bridging smart card interfaces to USB or UART is required. Consider the SEC1210 variant if dual smart card support or SPI interface capability is necessary. Verify that the 16 KB OTP ROM capacity meets the firmware storage requirements for the intended application logic.

Specialized Part Context

This part belongs to the SEC1110/SEC1210 family of smart card bridges. It shares architectural similarities with the SEC1100 and SEC1200 models but offers increased memory resources. The series provides a unified platform for developing compliant smart card terminals with varying interface and memory needs.

Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Microchip Technology directly for alternative components or updated product offerings that meet similar interface and performance specifications.

Specialized FAQ

Does the SEC1110 support both T=0 and T=1 smart card protocols?

Yes, the device provides full support for both T=0 and T=1 protocols, including automatic character repetition for T=0 parity error recovery.

What is the maximum ETU rate supported by the SEC1110?

The device supports versatile ETU rate generation, accommodating current and proposed rates up to 826 Kbps.

Is an external crystal required for the SEC1110 operation?

No, the SEC1110 utilizes a self-clocking internal oscillator, eliminating the need for an external crystal.