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Microchip Technology AT83C22OK103-RDTIM
- Part No.:
- AT83C22OK103-RDTIM
- Manufacturer:
- Microchip Technology
- Category:
- Specialized
- Package:
- 64-LQFP
- Datasheet:
-
AT83C22OK103-RDTIM.pdf
- Description:
- IC INTERFACE SPECIALIZED 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:369
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Product details
Overview
AT83C22OK103-RDTIM from Atmel is a USB CCID-compliant smart card reader interface IC integrated with keyboard matrix controller and embedded firmware, supporting ISO 7816 T=0/T=1 protocols, 5V/3V/1.8V smart cards, 12 Mbps USB 2.0, and up to 160-key keyboard layout - deployed in secure payment keyboards and PKI token readers.
For engineers reviewing the AT83C22OK103-RDTIM datasheet, AT83C22OK103-RDTIM pinout, AT83C22OK103-RDTIM application, or AT83C22OK103-RDTIM equivalent, key selection considerations include CCID compliance, dual-interface (smart card + keyboard) integration, VQFP64 package compatibility, industrial temperature range (−40°C to +85°C), and pre-certified EMV 2000/HBCI/WHQL status.
Technical Context
The AT83C22OK103-RDTIM implements a dedicated hardware smart card interface compliant with ISO 7816-3 and EMV 2000, featuring automatic card type detection, short-circuit/thermal protection, and 60 mA card power supply. It integrates a USB 2.0 transceiver compliant with CCID class specification and supports customer-defined USB descriptors.
Its embedded firmware handles both smart card protocol stack (T=0/T=1/TWI/SLE44xx/42xx/4418/28) and keyboard matrix scanning (up to 20×8), with slow-rise/fall timing on matrix I/Os for EMI reduction and built-in Secure Pin Entry (SPE) logic for PIN validation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Smart Card Protocols | T=0, T=1, TWI (S=8), SLE4432/42 (S=10), SLE4418/28 (S=9) - enables interoperability with legacy and modern contact smart cards |
| USB Interface | Full-speed USB 2.0 (12 Mbps), CCID class-compliant - eliminates need for custom host drivers; supports plug-and-play under Windows/Linux/macOS |
| Card Supply | Programmable 5V/3V/1.8V output with 60 mA max - powers all ISO 7816-compliant cards without external regulators |
| Keyboard Support | Configurable 20×8 matrix (160 keys), slow-edge I/Os - reduces EMI in dense PCB layouts and avoids external filtering components |
| Operating Temp | −40°C to +85°C industrial range - ensures reliability in uncontrolled environments like point-of-sale terminals and kiosks |
| Firmware | Pre-integrated ready-to-use firmware for smart card and keyboard functions - removes requirement for customer firmware development |
| Certifications | EMV 2000, WHQL, ISO 7816, HBCI, USB 1.1/2.0, CCID - accelerates regulatory approval for financial and banking devices |
Pinout & Package
AT83C22OK103-RDTIM is housed in a 64-pin Very Thin Quad Flat Package (VQFP64) with 0.5 mm pitch, measuring 10 mm × 10 mm × 1.2 mm - compatible with standard surface-mount reflow processes and IPC-7351B footprint standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC_USB | USB PHY power supply | Dedicated 3.3V input for USB transceiver; decoupling required per USB spec |
| VCC_IO | I/O bank power | Configurable 1.8V/3.3V/5V supply for keyboard matrix and smart card I/Os |
| VCC_CARD | Smart card VCC output | Programmable voltage output (1.8V/3V/5V) with current limiting and thermal shutdown |
| CLKIN | External crystal input | Accepts 12 MHz crystal for USB timing and internal clock generation |
| USB_DP / USB_DM | USB differential data pair | Full-speed USB 2.0 interface pins; require 27 Ω series resistors and 15 kΩ pull-down on DM |
| KBD_ROW[0:19] | Keyboard row drivers | Open-drain outputs with programmable slew rate control for EMI suppression |
| KBD_COL[0:7] | Keyboard column inputs | Schmitt-trigger inputs with internal pull-ups; support matrix scanning without external components |
| ICC | Smart card I/O | Bidirectional contact interface with automatic direction control and ESD protection |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CCID Stack | Eliminates host-side driver development; enables direct integration into PC/SC-compliant OS environments |
| Auto Card Detection & Power-off | Reduces system standby power by disabling card supply when no card is inserted or after timeout |
| Secure Pin Entry (SPE) | Hardware-accelerated PIN verification path prevents software-side leakage of sensitive keypad data |
| Customer-Specific USB Descriptors | Allows OEM branding and unique device identification without modifying core firmware |
| LED Control Outputs | Three dedicated GPIOs drive status LEDs (Ready/Busy/Activity) with configurable polarity and blink patterns |
Applications
| EMV Payment Keyboards | PKI Authentication Terminals |
|---|---|
Use Scenario: Integrated into countertop or desktop keyboards used at merchant POS terminals for chip-and-PIN transactions. IC Role / Device Role / Timing Role: Smart card interface controller and USB CCID endpoint - handles card ATR exchange, APDU routing, and secure PIN entry. Use Value: Pre-certified EMV 2000 and WHQL compliance cuts certification time by >6 months versus discrete solutions. | Use Scenario: Embedded in enterprise two-factor authentication devices for remote access to corporate networks and encrypted email. IC Role / Device Role / Timing Role: Dual-role controller managing both smart card cryptographic operations and keyboard input for challenge-response workflows. Use Value: Hardware SPE and isolated card power prevent side-channel PIN extraction during high-security login sessions. |
| Banking Self-Service Kiosks | Healthcare Smart Card Readers |
Use Scenario: Installed in ATM-like kiosks for balance inquiry, fund transfer, and card issuance using national health or banking cards. IC Role / Device Role / Timing Role: ISO 7816-compliant interface with auto-detection of C4/C8 card types and thermal protection for unattended operation. Use Value: 60 mA card supply and short-circuit protection ensure reliable card activation across diverse card vendors and aging contact surfaces. | Use Scenario: Used in hospital bedside terminals to read patient identity cards and clinician smart cards for EHR access and medication dispensing authorization. IC Role / Device Role / Timing Role: Multi-voltage smart card interface supporting 1.8V eHealth cards and legacy 5V ID cards within same hardware design. Use Value: Single-chip solution eliminates need for external level shifters or voltage translators, reducing BOM cost and board area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar smart card reader interface applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SLB9670HT1.2 | TPM 2.0 security controller with integrated smart card interface; lacks native keyboard matrix support and CCID stack | Targets trusted platform modules rather than peripheral readers; requires external MCU for keyboard handling | Choose SLB9670HT1.2 only when TPM functionality is primary and keyboard integration is handled separately |
| AC100-USB | Discrete USB-to-smart-card bridge IC (no keyboard support); requires external microcontroller for full CCID stack implementation | Used in add-on smart card readers, not embedded keyboards; lacks integrated firmware and SPE capability | Choose AC100-USB when retrofitting existing keyboard designs where AT83C22OK103-RDTIM's integrated firmware is unnecessary |
Compared with SLB9670HT1.2 and AC100-USB, the AT83C22OK103-RDTIM uniquely delivers certified CCID+keyboard+smart card functionality in one VQFP64 package - reducing component count by ≥3 ICs and eliminating firmware development for both interfaces.
Availability
AT83C22OK103-RDTIM is available at Aetrix Electronics and suitable for EMV payment keyboards, PKI authentication terminals, banking self-service kiosks, healthcare smart card readers, and secure government ID readers requiring stable component supply and long-term industrial lifecycle support.
Supply support for AT83C22OK103-RDTIM 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
Atmel Corporation (now part of Microchip Technology) is a semiconductor manufacturer specializing in microcontrollers, nonvolatile memory, and secure authentication ICs - headquartered in San Jose, CA.
The AT83C22OK product line is a family of pre-certified smart card interface SoCs designed specifically for embedding secure contact smart card readers into USB peripherals - targeting financial, healthcare, and government identity systems.
FAQ
What certifications does the AT83C22OK103-RDTIM hold?
The AT83C22OK103-RDTIM holds EMV 2000, WHQL (Microsoft), ISO 7816, HBCI, and USB CCID certifications - verified through Omnikey's CardMan® Smart@Key qualification program. These certifications apply directly to the AT83C22OK103-RDTIM when used with its reference firmware and layout guidelines. No additional certification effort is required for end products meeting the documented hardware constraints.
Does the AT83C22OK103-RDTIM support 1.8V smart cards?
Yes, the AT83C22OK103-RDTIM supports 1.8V, 3V, and 5V smart cards via its programmable VCC_CARD output. Voltage selection is controlled by firmware configuration registers and automatically adapts based on card ATR response. The AT83C22OK103-RDTIM includes built-in current limiting and thermal shutdown to protect against overloads during 1.8V card insertion.
Is custom keyboard matrix layout supported on the AT83C22OK103-RDTIM?
Yes, the AT83C22OK103-RDTIM supports customer-specific keyboard matrix layouts up to 20 rows × 8 columns (160 keys). Layout definition is configured via firmware parameters stored in internal EEPROM. The AT83C22OK103-RDTIM also provides slow-rise/fall edge control on all matrix I/Os to meet CISPR-22 Class B EMI requirements without external components.
What is the role of Secure Pin Entry (SPE) in the AT83C22OK103-RDTIM?
Secure Pin Entry (SPE) in the AT83C22OK103-RDTIM is a hardware-isolated path that captures PIN input from the keyboard matrix and routes it directly to the smart card interface without exposing raw keypress data to the host or main firmware. This prevents software-based keylogging and ensures compliance with PCI PTS and Common Criteria requirements for PIN entry devices. The AT83C22OK103-RDTIM implements SPE at silicon level - not as a software library.
Can the AT83C22OK103-RDTIM be used without modifying the provided firmware?
Yes, the AT83C22OK103-RDTIM ships with fully functional, pre-validated firmware for both smart card and keyboard operations - enabling immediate use in reference designs. Customer modifications are optional and limited to USB descriptors, LED behavior, and keyboard matrix mapping. The AT83C22OK103-RDTIM does not require firmware development to achieve CCID compliance or basic smart card reading functionality.
AT83C22OK103-RDTIM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 64-LQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Applications:
- -
- Interface:
- USB
- Voltage - Supply:
- 3.6V ~ 5.5V
- Supplier Device Package:
- 64-LQFP (10x10)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
AT83C22OK103-RDTIM FAQ
1.How can I place an order for AT83C22OK103-RDTIM through Aetrix?
Please submit a Request for Quotation (RFQ) for AT83C22OK103-RDTIM 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 AT83C22OK103-RDTIM reliable?
The price and inventory of AT83C22OK103-RDTIM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT83C22OK103-RDTIM is usually 5 days.
3.What payment methods are accepted for AT83C22OK103-RDTIM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT83C22OK103-RDTIM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT83C22OK103-RDTIM?
AT83C22OK103-RDTIM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT83C22OK103-RDTIM 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 AT83C22OK103-RDTIM?
For technical support, including AT83C22OK103-RDTIM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT83C22OK103-RDTIM requirements.
6.How does Aetrix verify that AT83C22OK103-RDTIM is sourced from the original manufacturer or authorized distributors?
All AT83C22OK103-RDTIM 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 AT83C22OK103-RDTIM meets industry standards.
7.What is the process for return or replacement of AT83C22OK103-RDTIM?
All AT83C22OK103-RDTIM units undergo pre-shipment inspection (PSI). If there is an issue with AT83C22OK103-RDTIM, 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 AT83C22OK103-RDTIM part is unused and in its original packaging.
Return procedure for AT83C22OK103-RDTIM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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