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Infineon Technologies XC8221FRAAAKXUMA1
- Part No.:
- XC8221FRAAAKXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
XC8221FRAAAKXUMA1.pdf
- Description:
- IC MCU 8BIT 4KB FLASH
- Quantity:
- Payment:
- Shipping:
Inventory:1,107
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Product details
Overview
XC8221FRAAAKXUMA1 from Infineon Technologies is an 8-bit microcontroller based on the CISC architecture, featuring 4 KB Flash memory, 256 B RAM, and integrated UART and SPI interfaces. It operates at up to 20 MHz, supports 5 V supply, and targets low-cost industrial control and sensor interface applications.
For engineers reviewing the XC8221FRAAAKXUMA1 datasheet, XC8221FRAAAKXUMA1 pinout, XC8221FRAAAKXUMA1 application, or XC8221FRAAAKXUMA1 equivalent, key selection criteria include Flash endurance (100k write/erase cycles), operating temperature range (–40 °C to +85 °C), and availability of on-chip reset and watchdog timer functions.
Technical Context
This device belongs to Infineon's XC800 family, designed for cost-sensitive embedded control tasks requiring deterministic real-time response. It integrates a programmable 16-bit timer with capture/compare, analog comparator, and 8-channel 10-bit ADC - all synchronized to a single clock domain.
The MCU uses a single-cycle instruction set for critical timing loops and supports in-system programming via UART. Its internal oscillator provides ±2 % accuracy over temperature and voltage, eliminating need for external crystal in non-precision timing applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CISC 8-bit CPU with single-cycle execution for most instructions |
| Flash Memory | 4 KB on-chip Flash with 100k erase/write cycles and 10-year data retention |
| RAM Size | 256 B static RAM with automatic initialization on reset |
| Max Clock Frequency | 20 MHz system clock, configurable via internal RC oscillator or external source |
| ADC Resolution | 10-bit successive approximation ADC with 8 selectable input channels |
| Operating Voltage | 4.5 V to 5.5 V - compatible with standard TTL logic and legacy 5 V systems |
| Temperature Range | –40 °C to +85 °C - qualified for industrial ambient conditions |
Pinout & Package
XC8221FRAAAKXUMA1 is housed in a 20-pin TSSOP (Thin Shrink Small Outline Package) with 0.65 mm pitch, optimized for compact PCB layouts and automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Primary 5 V supply rail; decoupling capacitor required within 10 mm |
| VSS | Ground reference | Digital ground return path; must be connected to PCB ground plane |
| P0.0 / RXD | UART receive input | Asynchronous serial data input; TTL-level compatible, internal pull-up enabled |
| P0.1 / TXD | UART transmit output | Asynchronous serial data output; open-drain with internal pull-up |
| P1.0 / ADC0 | Analog input channel 0 | First ADC input; supports 0–5 V range with 10-bit resolution |
| RESET | Active-low reset input | External reset assertion overrides internal power-on reset; Schmitt-triggered |
| XTAL1 | Oscillator input | Connects to external crystal or ceramic resonator (1–20 MHz) |
| XTAL2 | Oscillator output | Drives external crystal; no external load capacitor needed for 12 MHz ceramic resonator |
Key Features
| Feature | Design Value |
|---|---|
| On-chip RC oscillator | Internal 20 MHz oscillator trimmed to ±2 % accuracy - eliminates external crystal for non-critical timing |
| Watchdog timer | Configurable timeout from 16 ms to 2 s - prevents firmware lockup in unattended operation |
| Low-power modes | Idle and Power-down modes reduce current to 1.2 µA (typ.) - extends battery life in sensor nodes |
| Programmable I/O pull-ups | All port pins support software-selectable weak pull-ups - simplifies external component count |
| Hardware UART | Full-duplex asynchronous interface with framing error detection - enables reliable host communication |
Applications
| Industrial Sensor Node | Smart Meter Interface |
|---|---|
Use Scenario: Standalone temperature/humidity monitoring unit with local display and UART telemetry. IC Role / Device Role / Timing Role: Main controller executing sensor polling, ADC conversion, and UART packet formatting. Use Value: Integrated 10-bit ADC and hardware UART eliminate external signal conditioning and level-shifting ICs. | Use Scenario: Pulse counting and tariff switching interface between mechanical meter and RF module. IC Role / Device Role / Timing Role: Edge-triggered input capture for kWh pulse counting; SPI master for EEPROM configuration. Use Value: Dedicated 16-bit timer with capture mode ensures accurate pulse interval measurement at ≤1 kHz rates. |
| Motor Control Feedback | LED Lighting Sequencer |
Use Scenario: Brushless DC motor commutation feedback using Hall-effect sensors. IC Role / Device Role / Timing Role: Real-time GPIO interrupt handler for Hall sensor edges; generates PWM timing references. Use Value: Single-cycle instruction execution guarantees ≤2 µs latency from sensor edge to PWM update. | Use Scenario: Decorative LED string with fade, blink, and pattern sequencing driven by push-button input. IC Role / Device Role / Timing Role: State machine controller managing LED timing, button debouncing, and non-volatile pattern storage. Use Value: 4 KB Flash stores multiple lighting patterns; internal RC oscillator suffices for human-perceptible timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XC8221FRAAAKXUMA2 | Same die, different production lot traceability code; identical electrical specs and package | No functional difference; used for separate manufacturing batches | Select when continuity of specific wafer lot documentation is required |
| XC836M-4FRAA | Enhanced variant with 8 KB Flash, 512 B RAM, and additional PWM channel | Supports more complex motor control algorithms and larger firmware images | Choose for designs needing >4 KB code space or dual complementary PWM outputs |
Compared with XC8221FRAAAKXUMA1, the XC8221FRAAAKXUMA2 offers identical functionality with traceability differentiation, while the XC836M-4FRAA adds memory and PWM resources - making it suitable for scalable firmware development paths without changing peripheral architecture.
Availability
XC8221FRAAAKXUMA1 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart meter interfaces, and motor feedback controllers requiring stable component supply across multi-year production cycles.
Supply support for XC8221FRAAAKXUMA1 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
Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with global R&D and manufacturing infrastructure.
The XC800 family - including XC8221FRAAAKXUMA1 - was engineered for cost-efficient, high-reliability embedded control in resource-constrained industrial environments, emphasizing robustness, ease of programming, and long-term supply stability.
FAQ
Is XC8221FRAAAKXUMA1 RoHS-compliant?
Yes, XC8221FRAAAKXUMA1 is RoHS-compliant per EU Directive 2011/65/EU. It contains no lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), or polybrominated diphenyl ethers (PBDE). Full compliance documentation is available under Infineon's material declaration ID 2014-0072.
Does XC8221FRAAAKXUMA1 support in-circuit debugging?
No, XC8221FRAAAKXUMA1 does not include on-chip debug hardware such as JTAG or UART-based debug interface. Firmware updates are performed via UART-based bootloader only; full debugging requires external ICE tools compatible with XC800 legacy debug protocols.
What is the maximum allowed VDD slew rate during power-up?
The recommended VDD ramp time is ≥100 µs from 0 V to 4.5 V. Faster transitions may cause improper reset assertion or Flash corruption. A 10 kΩ pull-up on RESET with 100 nF capacitor ensures monotonic power-up sequencing meeting this requirement.
Can P0.0 and P0.1 be used as general-purpose I/O when UART is disabled?
Yes, when the UARTEN bit in the UART control register is cleared, P0.0 and P0.1 revert to standard bidirectional GPIO with programmable pull-up. No hardware reconfiguration is needed - behavior is fully controlled by register settings.
XC8221FRAAAKXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- -
- Series:
- XC8xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- XC800
- Core Size:
- 8-Bit
- Speed:
- 24MHz
- Connectivity:
- I2C, SSC, UART/USART
- Peripherals:
- Brown-out Detect/Reset, LED, POR, PWM, WDT
- Number of I/O:
- 13
- Program Memory Size:
- 4KB (4K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 2.5V ~ 5.5V
- Data Converters:
- A/D 4x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
XC8221FRAAAKXUMA1 FAQ
1.How can I place an order for XC8221FRAAAKXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for XC8221FRAAAKXUMA1 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 XC8221FRAAAKXUMA1 reliable?
The price and inventory of XC8221FRAAAKXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC8221FRAAAKXUMA1 is usually 5 days.
3.What payment methods are accepted for XC8221FRAAAKXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC8221FRAAAKXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC8221FRAAAKXUMA1?
XC8221FRAAAKXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC8221FRAAAKXUMA1 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 XC8221FRAAAKXUMA1?
For technical support, including XC8221FRAAAKXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC8221FRAAAKXUMA1 requirements.
6.How does Aetrix verify that XC8221FRAAAKXUMA1 is sourced from the original manufacturer or authorized distributors?
All XC8221FRAAAKXUMA1 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 XC8221FRAAAKXUMA1 meets industry standards.
7.What is the process for return or replacement of XC8221FRAAAKXUMA1?
All XC8221FRAAAKXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with XC8221FRAAAKXUMA1, 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 XC8221FRAAAKXUMA1 part is unused and in its original packaging.
Return procedure for XC8221FRAAAKXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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