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Home > Products > Integrated Circuits (ICs) > Interface > Specialized

Microchip Technology SEC1210-CN-02

Name: SEC1210-CN-02
Brand: Microchip Technology
SKU: SEC1210-CN-02
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SEC1210-CN-02

Manufacturer:: Microchip Technology

Category:: Specialized

Package:: 24-VFQFN Exposed Pad

Datasheet:: SEC1210-CN-02.pdf

Description:: IC INTERFACE SPECIALIZED 24QFN

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Product details

Overview

SEC1210-CN-02 from Microchip Technology is a dual Smart Card bridge IC integrating an enhanced 8051 core, two ISO/IEC 7816-compliant Smart Card interfaces (SC1 and SC2), USB 2.0 Full-Speed (12 Mbps) interface, UART, and SPI host controller. It delivers 16 KB OTP ROM, 1.5 KB RAM, programmable Smart Card clock (1.8V/3.0V/5.0V support), and full T=0/T=1 protocol handling - deployed in secure USB dual-Smart-Card readers and EMV-compliant payment terminals.

For engineers reviewing the SEC1210-CN-02 datasheet, SEC1210-CN-02 pinout, SEC1210-CN-02 application, or SEC1210-CN-02 equivalent, key selection criteria include dual-card ISO7816 timing compliance (EMV 4.2/4.3, ETSI TS 102 221), USB-to-Smart-Card bridging capability, integrated Smart Card power regulation, FIFO-based half-duplex operation (261-byte TX/RX), and JTAG-debuggable 8051 architecture with 9.6 MHz max clock speed.

Technical Context

The SEC1210-CN-02 implements a dual Smart Card subsystem with independent SC1 and SC2 interfaces, each supporting cold/warm reset, guard/CWT/time-out timers, automatic deactivation on card removal, and hardware-enforced EMV timing constraints. Its 8051 core executes from 16 KB OTP ROM and manages peripherals via SFR/XDATA register space.

USB functionality is handled by an integrated FS PHY with 1.5 kΩ pull-up resistor, D+/D− series termination, and a device controller supporting five programmable bulk/interrupt endpoints (8/16/32/64 byte buffers). The UART supports standard PC baud rates up to 115.2 kbps plus non-PC 3 Mbps, while SPI1 operates at up to 12 MHz in host mode.

Key Specifications

Parameter	Value and Actual Design Meaning
Smart Card Interfaces	Two independent ISO/IEC 7816-3 compliant ports (SC1 & SC2), supporting Class A/B/C/AB cards (1.8V/3.0V/5.0V)
USB Interface	Full-Speed (12 Mbps) USB 2.0 device controller with integrated PHY, 1.5 kΩ pull-up, and D+/D− series termination resistors
FIFO Depth	261-byte full-packet transmit/receive FIFO per Smart Card interface - eliminates software real-time constraints during exchange
Processor Core	Enhanced 8051 with ~9× instruction throughput vs. 80C51; 9.6 MHz max clock; 16 KB OTP ROM + 1.5 KB RAM
Protocol Support	Full T=0 and T=1 protocol handling including automatic parity recovery, internal procedure byte filtering, and EMV-defined timer enforcement (CWT, WWT, BGT, EGT)
Power Supply	3.6 V – 5.5 V input; internal regulators generate 3.3 V, 1.8 V, 3.0 V, and 5.0 V for Smart Card VCC; 5.0 V-tolerant I/O pins
Operating Temperature	Industrial grade: −40°C to +85°C - validated for embedded payment terminal and secure access reader environments

Pinout & Package

SEC1210-CN-02 is housed in a 24-pin QFN package (4 mm × 4 mm, 0.5 mm pitch) with exposed thermal slug (VSS). All power and ground connections are explicitly defined; no NC pads exist per known-good-die specification.

Pin/Terminal	Circuit Role	Design Meaning
SC1_VCC / SC2_VCC	Smart Card Power Output	Programmable 1.8 V / 3.0 V / 5.0 V supply outputs - each powers its respective Smart Card interface and associated signal pins
SC1_RST_N / SC2_RST_N	Smart Card Reset Control	Active-low open-drain outputs - initiate cold/warm reset and trigger ATR response; configurable as GPIO2/GPIO18
SC1_CLK / SC2_CLK	Smart Card Clock Output	Programmable clock source for ISO7816 communication; configurable as GPIO1/GPIO17
SC1_IO / SC2_IO	Smart Card Data I/O	Bidirectional serial data lines - handle T=0/T=1 protocol framing; configurable as GPIO0/GPIO16
SC1_PRSNT_N / SC2_PRSNT_N	Smart Card Presence Detection	Active-low inputs with software-controllable internal pull-up - detect insertion/removal; share JTAG_TMS/JTAG_TDI functions
USB_DP / USB_DM	USB Differential Data	Full-Speed USB 2.0 physical layer interface - integrated 1.5 kΩ pull-up on DP and series termination on both lines
SPI1_MISO/RXD / SPI1_MOSI/TXD	SPI Host / UART Dual-Function I/O	Configurable as SPI MISO/MOSI (host mode) or UART RXD/TXD - enables flexible host-side connectivity without external level shifters
RESET_N	Global Active-Low Reset	Asynchronous system reset input - triggers STOP mode entry; requires ≥1 µs pulse width; analog input with Vil = 100 mV

Key Features

Feature	Design Value
Dual Smart Card Bridge Architecture	Independent SC1 and SC2 interfaces with dedicated FIFOs, timers, and power regulators - enables simultaneous EMV transaction processing
Hardware-Enforced EMV Timing Compliance	Integrated guard timer (BGT/EGT), CWT timer, and time-out timer (WWT/BWT/WTX) - ensures strict adherence to EMV 4.2/4.3 timing constraints without software overhead
Self-Contained Smart Card Power Management	On-chip 1.8 V / 3.0 V / 5.0 V regulators with over-current sense interrupt and hardware-driven deactivation sequence - eliminates need for external LDOs or current-limiting circuits
Half-Duplex Auto-Turnaround	No software intervention required between transmit and receive phases - simplifies driver development and guarantees ISO7816-compliant turnaround timing
JTAG Debug & In-System Programming	Full boundary-scan debug support via JTAG_TMS/TDI/TDO/CLK pins - enables firmware validation, runtime inspection, and OTP programming in production

Applications

EMV Payment Terminal	Secure Government ID Reader
Use Scenario: Dual-interface EMV terminal accepting chip-and-PIN cards for contact-based financial transactions. IC Role / Device Role / Timing Role: SEC1210-CN-02 acts as the primary Smart Card bridge, managing two concurrent card sessions (e.g., primary card + secondary backup or dual-application card), enforcing EMV timing via hardware timers, and relaying ATR/response data over USB to host MCU. Use Value: Eliminates external Smart Card controllers and discrete power management ICs - reduces BOM count and PCB area while guaranteeing EMV 4.3 compliance through integrated protocol timers and automatic deactivation.	Use Scenario: National eID reader validating citizen identity cards with dual-applet support (e.g., health + digital signature). IC Role / Device Role / Timing Role: SEC1210-CN-02 serves as the trusted interface between host processor and two physically separate Smart Cards - one for authentication, one for certificate storage - with independent clock, reset, and power control per interface. Use Value: Enables true parallel card access with isolated power domains and independent FIFO buffering - improves session setup latency and prevents cross-interface interference during high-assurance PKI operations.
Banking Kiosk Card Reader	Multi-Application Secure Access Terminal
Use Scenario: Self-service ATM kiosk requiring robust card presence detection, hot-plug resilience, and fail-safe deactivation on card ejection. IC Role / Device Role / Timing Role: SEC1210-CN-02 monitors SC1_PRSNT_N/SC2_PRSNT_N with internal pull-up, detects unresponsive cards via timeout timers, and executes hardware-triggered deactivation sequences - even if host firmware hangs. Use Value: Guarantees safe card removal under all conditions (including power loss or host crash) - meets PCI PTS v6.0 mechanical safety requirements for card retention and voltage ramp-down behavior.	Use Scenario: Physical access control panel supporting employee badge (Class B) and contractor credential (Class C) simultaneously. IC Role / Device Role / Timing Role: SEC1210-CN-02 configures SC1 for 3.0 V (Class B) and SC2 for 1.8 V (Class C), independently regulates each VCC rail, and handles protocol negotiation without host CPU involvement. Use Value: Removes need for external voltage translators or manual card-class switching logic - simplifies certification for multi-voltage deployments and accelerates field deployment across heterogeneous credential types.

EMV Payment Terminal

Secure Government ID Reader

Use Scenario: Dual-interface EMV terminal accepting chip-and-PIN cards for contact-based financial transactions.

IC Role / Device Role / Timing Role: SEC1210-CN-02 acts as the primary Smart Card bridge, managing two concurrent card sessions (e.g., primary card + secondary backup or dual-application card), enforcing EMV timing via hardware timers, and relaying ATR/response data over USB to host MCU.

Use Value: Eliminates external Smart Card controllers and discrete power management ICs - reduces BOM count and PCB area while guaranteeing EMV 4.3 compliance through integrated protocol timers and automatic deactivation.

Use Scenario: National eID reader validating citizen identity cards with dual-applet support (e.g., health + digital signature).

IC Role / Device Role / Timing Role: SEC1210-CN-02 serves as the trusted interface between host processor and two physically separate Smart Cards - one for authentication, one for certificate storage - with independent clock, reset, and power control per interface.

Use Value: Enables true parallel card access with isolated power domains and independent FIFO buffering - improves session setup latency and prevents cross-interface interference during high-assurance PKI operations.

Banking Kiosk Card Reader

Multi-Application Secure Access Terminal

Use Scenario: Self-service ATM kiosk requiring robust card presence detection, hot-plug resilience, and fail-safe deactivation on card ejection.

IC Role / Device Role / Timing Role: SEC1210-CN-02 monitors SC1_PRSNT_N/SC2_PRSNT_N with internal pull-up, detects unresponsive cards via timeout timers, and executes hardware-triggered deactivation sequences - even if host firmware hangs.

Use Value: Guarantees safe card removal under all conditions (including power loss or host crash) - meets PCI PTS v6.0 mechanical safety requirements for card retention and voltage ramp-down behavior.

Use Scenario: Physical access control panel supporting employee badge (Class B) and contractor credential (Class C) simultaneously.

IC Role / Device Role / Timing Role: SEC1210-CN-02 configures SC1 for 3.0 V (Class B) and SC2 for 1.8 V (Class C), independently regulates each VCC rail, and handles protocol negotiation without host CPU involvement.

Use Value: Removes need for external voltage translators or manual card-class switching logic - simplifies certification for multi-voltage deployments and accelerates field deployment across heterogeneous credential types.

Equivalent & Alternatives

The following parts are listed as comparable options for similar Smart Card bridge applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SEC1210/PV-UR2	Same die, identical Smart Card/USB/SPI/UART functionality; differs only in marking and packaging - PV-UR2 denotes tape-and-reel industrial-grade variant with different date code format	Identical use cases: dual Smart Card readers, EMV terminals, secure ID systems	Select SEC1210/PV-UR2 for automated SMT assembly requiring tape-and-reel delivery; SEC1210-CN-02 is tray-packaged for prototyping or low-volume evaluation
ST8020M	Single Smart Card interface only; no UART or SPI; uses ARM Cortex-M0+ core instead of 8051; lacks integrated Smart Card VCC regulators - requires external LDOs and level shifters	Limited to single-card applications; not suitable for dual-card or voltage-flexible deployments	Choose ST8020M only when cost-sensitive single-card designs prioritize ARM toolchain compatibility over dual-interface capability and integrated power management

Compared with SEC1210-CN-02, SEC1210/PV-UR2 offers identical electrical and functional performance with optimized packaging for volume production, while ST8020M sacrifices dual-card support, integrated regulation, and 8051 firmware ecosystem compatibility to reduce unit cost in simpler applications.

Availability

SEC1210-CN-02 is available at Aetrix Electronics and suitable for EMV payment terminals, secure government ID readers, and banking kiosk card readers requiring stable component supply, long-term lifecycle assurance, and industrial-temperature operation.

Supply support for SEC1210-CN-02 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Microchip Technology Inc. is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions, serving automotive, industrial, consumer, and communications markets with high-reliability silicon and development tools.

The SEC1210 product line delivers certified Smart Card bridge ICs targeting secure financial transaction infrastructure - designed specifically to simplify EMV 4.x and ISO/IEC 7816-3 compliance in USB- and UART-connected readers.

FAQ

What is the primary function of the SEC1210-CN-02 in a Smart Card reader design?

The SEC1210-CN-02 serves as a complete dual Smart Card bridge IC, integrating two ISO/IEC 7816 interfaces, USB 2.0 Full-Speed controller, UART, SPI host, and an enhanced 8051 core. It replaces discrete Smart Card controllers, USB transceivers, and power management ICs - enabling compact, certified EMV reader designs with minimal external components. SEC1210-CN-02 handles all protocol timing, card power sequencing, and data buffering internally.

Does the SEC1210-CN-02 support both T=0 and T=1 Smart Card protocols?

Yes, the SEC1210-CN-02 fully supports both T=0 and T=1 protocols per ISO/IEC 7816-3, including automatic character repetition for T=0 parity error recovery, internal procedure byte filtering, and hardware-enforced EMV timing parameters (CWT, WWT, BGT, EGT). These capabilities are implemented in dedicated state machines and timers - no host CPU intervention is required for protocol compliance.

How does the SEC1210-CN-02 manage Smart Card power for different voltage classes?

The SEC1210-CN-02 integrates three independent Smart Card regulators delivering 1.8 V, 3.0 V, and 5.0 V - selectable per interface (SC1_VCC and SC2_VCC) based on detected card class. Each regulator includes over-current sensing with interrupt generation and hardware-enforced deactivation on card removal. SEC1210-CN-02 also disables Class A (5.0 V) support if input voltage falls below 4.8 V, per internal comparator.

Can the SEC1210-CN-02 operate without an external crystal?

Yes, the SEC1210-CN-02 features a self-clocking internal oscillator - no external crystal or resonator is required for basic operation. It derives USB timing from a 48 MHz internal PLL and supports Smart Card ETU rates up to 826 Kbps using programmable dividers. External clocks may be used for higher precision timing, but are optional.

What debug and programming interfaces does the SEC1210-CN-02 provide?

The SEC1210-CN-02 provides full JTAG boundary-scan debugging via JTAG_TMS, JTAG_TDI, JTAG_TDO, and JTAG_CLK pins - enabling real-time inspection, breakpoint setting, and firmware download. It also supports OTP ROM programming through the JTAG interface and includes a TEST pin for factory test modes. SEC1210-CN-02 does not require external debug probes beyond standard JTAG adapters.

SEC1210-CN-02 Specifications

Product attributes: Attribute value

Manufacturer:: Microchip Technology

Series:: -

Package/Case:: 24-VFQFN Exposed Pad

Packaging:: Tray

Product Status:: Active

Applications:: Smart Card

Interface:: SPI Serial, USB, UART

Voltage - Supply:: 3V ~ 5.5V

Supplier Device Package:: 24-QFN (5x5)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

SEC1210-CN-02 FAQ

1.How can I place an order for SEC1210-CN-02 through Aetrix?

Please submit a Request for Quotation (RFQ) for SEC1210-CN-02 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for SEC1210-CN-02 reliable?

The price and inventory of SEC1210-CN-02 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SEC1210-CN-02 is usually 5 days.

3.What payment methods are accepted for SEC1210-CN-02?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SEC1210-CN-02 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SEC1210-CN-02?

SEC1210-CN-02 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SEC1210-CN-02 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for SEC1210-CN-02?

For technical support, including SEC1210-CN-02 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SEC1210-CN-02 requirements.

6.How does Aetrix verify that SEC1210-CN-02 is sourced from the original manufacturer or authorized distributors?

All SEC1210-CN-02 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SEC1210-CN-02 meets industry standards.

7.What is the process for return or replacement of SEC1210-CN-02?

All SEC1210-CN-02 units undergo pre-shipment inspection (PSI). If there is an issue with SEC1210-CN-02, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The SEC1210-CN-02 part is unused and in its original packaging.

Return procedure for SEC1210-CN-02:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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