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Infineon Technologies SAF-XC864L-1FRI 5V AA
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- Part No.:
- SAF-XC864L-1FRI 5V AA
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
SAF-XC864L-1FRI 5V AA.pdf
- Description:
- IC MCU 8BIT 4KB FLASH 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,840
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Product details
Overview
SAF-XC864L-1FRI 5V AA from Infineon Technologies is an 8-bit single-chip microcontroller based on the XC800 core (8051-compatible), featuring 4 KB Flash, 256 B RAM, and 512 B XRAM. It integrates UART, SSC, 10-bit 4-channel ADC, three 16-bit timers, CCU6 PWM unit, and on-chip debug support. Designed for industrial motor control and power supply management at 5 V supply and –40 °C to +85 °C ambient.
For engineers reviewing the SAF-XC864L-1FRI 5V AA datasheet, SAF-XC864L-1FRI 5V AA pinout, SAF-XC864L-1FRI 5V AA application, or SAF-XC864L-1FRI 5V AA equivalent, key selection criteria include its 5 V I/O tolerance, integrated voltage regulator (2.5 V core), TSSOP-20 package, watchdog timer configurability, and industrial temperature grade with Brownout reset.
Technical Context
The SAF-XC864L-1FRI 5V AA implements a two-clock-per-machine-cycle 8051-compatible core with dual data pointers and on-chip memory protection. Its clock system combines an internal 10 MHz oscillator and PLL with loss-of-lock detection, enabling precise timing for motor commutation and closed-loop feedback.
Peripherals are managed via clock gating and operate across multiple low-power modes: slow-down, idle, and power-down with wake-up via RXD or EXINT0. The CCU6 capture/compare unit supports center-aligned PWM generation, while the 10-bit ADC provides four channels with configurable sampling timing and reference voltage (VAREF).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | XC800 (8051-compatible), 2 clocks/machine cycle → zero-wait-state memory access |
| Flash Memory | 4 KB with memory protection → secure firmware storage and bootloader isolation |
| RAM / XRAM | 256 B RAM + 512 B XRAM → sufficient for real-time control stacks and peripheral buffering |
| ADC Resolution | 10-bit, 4-channel → adequate for analog sensor interfacing in motor current/voltage sensing |
| Timers | Three 16-bit timers (T0/T1/T2) + CCU6 → flexible timebase, PWM, and capture for BLDC commutation |
| Supply & Temp | 5 V I/O, 2.5 V core (internal regulator), –40 °C to +85 °C → industrial-grade operation without external LDO |
| Debug Support | 1 KB monitor ROM + 64 B monitor RAM → non-intrusive on-chip debugging without external emulator |
Pinout & Package
Package: PG-TSSOP-20 (20-pin thin shrink small outline package, 0.65 mm pitch, body width 4.4 mm).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDP | I/O Power Supply | 5 V supply for Port 0–3 digital I/O and analog input pins |
| VDDC | Core Power Supply | 2.5 V regulated core voltage generated internally from VDDP |
| VSSC | Core Ground | Dedicated ground for core logic; separate from analog ground for noise immunity |
| VAREF | Analog Reference Input | External reference voltage for ADC (up to VDDP); enables precise ratiometric measurements |
| P0.0–P0.5 | General-Purpose I/O | 6-bit bidirectional port with alternate functions including UART TX/RX and SSC signals |
| P1.0/P1.1 | Digital I/O / EXINT0 | Interrupt-capable inputs supporting wake-up from power-down mode |
| P2.0–P2.2, P2.7 | ADC Inputs / Digital I/O | Four analog input channels (Ain0–Ain3); also usable as digital I/O |
| P3.0/P3.1 | UART TX/RX | Full-duplex asynchronous serial interface for host communication or firmware updates |
| RESET | Active-Low Reset Input | Accepts external reset signal; internal POR/BOR/WDT resets also drive this node |
| TMS | JTAG Test Mode Select | Enables on-chip debug interface per OCDS specification |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Voltage Regulator | Generates stable 2.5 V core supply from 5 V input → eliminates need for external LDO in space-constrained designs |
| CCU6 PWM Unit | 16-bit capture/compare unit with dead-time insertion → enables precise 3-phase BLDC motor gate drive timing |
| Brownout Reset (BOR) | Detects core supply drop below 2.3 V → prevents erratic execution during unstable power conditions |
| Power-Down Wake-Up | Wake-up via RXD or EXINT0 → ultra-low-power standby for battery-backed or energy-harvesting systems |
| On-Chip Debug Support | Monitor ROM/RAM and OCDS interface → real-time variable inspection and breakpoint debugging without ICE hardware |
Applications
| Industrial Motor Control | Switch-Mode Power Supply (SMPS) |
|---|---|
Use Scenario: Brushless DC motor control in HVAC blowers and industrial fans using sensorless commutation. IC Role / Device Role / Timing Role: Main controller executing FOC or six-step commutation, managing ADC sampling, PWM generation, and fault handling. Use Value: Integrated CCU6 and 10-bit ADC enable accurate current sensing and phase timing without external timing ICs or op-amps. | Use Scenario: Digital voltage-mode control loop in 100–500 W AC/DC adapters and DC/DC converters. IC Role / Device Role / Timing Role: System supervisor and regulation engine, reading output voltage/current via ADC and adjusting duty cycle via CCU6 PWM. Use Value: 5 V-tolerant I/O simplifies interface with optocouplers and gate drivers; internal regulator reduces BOM count. |
| Smart Lighting Ballast | Industrial Sensor Node |
Use Scenario: Dimmable electronic ballast for fluorescent lamps with DALI or 0–10 V analog dimming interface. IC Role / Device Role / Timing Role: Lamp ignition sequencer, thermal monitoring unit, and communication interface handler. Use Value: UART and SSC support DALI physical layer and lamp status reporting; 4-channel ADC reads thermistors and dimming signals. | Use Scenario: Local condition monitoring in factory automation-measuring temperature, pressure, and vibration via analog sensors. IC Role / Device Role / Timing Role: Edge-processing node performing local threshold detection, data pre-processing, and UART-based telemetry. Use Value: Power-down mode with RXD wake-up extends battery life; industrial temp grade ensures reliability in uncontrolled enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAK-XC864L-1FRI 5V | Same silicon, extended temperature range (–40 °C to +125 °C), identical peripherals and pinout | Required for under-hood automotive subsystems or high-ambient industrial environments | Select when operating above +85 °C ambient is required; otherwise SAF variant offers cost advantage |
| XC886CN-8FF 5V | Successor device: enhanced XC800 core, 8 KB Flash, 12-bit ADC, additional CCU6 channels, same TSSOP-20 package | Supports higher-resolution control loops and more complex motor algorithms (e.g., observer-based FOC) | Choose for new designs requiring longer lifecycle, higher ADC resolution, or future-proofing; not drop-in compatible due to register map changes |
Compared with SAK-XC864L-1FRI 5V, the SAF variant trades extended temperature capability for lower cost in ambient-limited applications; compared with XC886CN-8FF, it offers proven stability and simpler migration paths but lacks 12-bit ADC and expanded CCU6 resources for advanced control.
Availability
SAF-XC864L-1FRI 5V AA is available at Aetrix Electronics and suitable for industrial motor control, switch-mode power supplies, and smart lighting ballasts requiring stable component supply over multi-year production cycles.
Supply support for SAF-XC864L-1FRI 5V AA 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 SAF-XC864L-1FRI 5V AA-is designed specifically for cost-sensitive, high-reliability industrial motion control and power conversion applications where integration, low power, and robust debug capability are critical.
FAQ
What is the core voltage and how is it generated?
The SAF-XC864L-1FRI 5V AA uses an internal voltage regulator to generate a stable 2.5 V core supply (VDDC) from the 5 V I/O supply (VDDP). This eliminates the need for an external LDO and ensures consistent core performance across input voltage variations within the 4.5–5.5 V range specified for VDDP.
Does this MCU support in-system programming (ISP)?
Yes - the 4 KB Flash memory supports in-system programming via the on-chip UART bootloader. Firmware updates can be performed without removing the device from the PCB, using standard RS-232 level shifters and Infineon's DAS (Device Access Software) or custom host tools compliant with the XC800 ISP protocol.
What debug interfaces are supported and what hardware is needed?
The device supports On-Chip Debug Support (OCDS) via JTAG (TMS pin) and uses 1 KB of monitor ROM plus 64 B monitor RAM. Debugging requires Infineon's DAS tool or compatible third-party OCDS-compliant debug probes - no external emulator or ICE is necessary for basic breakpoints and memory inspection.
Can the ADC operate with an external reference, and what is its effective resolution?
Yes - the 10-bit SAR ADC accepts an external reference voltage on the VAREF pin, with valid range from 1.5 V to VDDP (5 V). At full scale, it delivers true 10-bit linearity (±1 LSB INL/DNL) per datasheet testing; effective resolution depends on noise floor and sampling rate but meets 9.5 ENOB in typical industrial configurations.
SAF-XC864L-1FRI 5V AA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Series:
- XC8xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- XC800
- Core Size:
- 8-Bit
- Speed:
- 86MHz
- Connectivity:
- LINbus, SSI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 9
- Program Memory Size:
- 4KB (4K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 768 x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 4x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SAF-XC864L-1FRI 5V AA FAQ
1.How can I place an order for SAF-XC864L-1FRI 5V AA through Aetrix?
Please submit a Request for Quotation (RFQ) for SAF-XC864L-1FRI 5V AA 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 SAF-XC864L-1FRI 5V AA reliable?
The price and inventory of SAF-XC864L-1FRI 5V AA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SAF-XC864L-1FRI 5V AA is usually 5 days.
3.What payment methods are accepted for SAF-XC864L-1FRI 5V AA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SAF-XC864L-1FRI 5V AA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SAF-XC864L-1FRI 5V AA?
SAF-XC864L-1FRI 5V AA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SAF-XC864L-1FRI 5V AA 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 SAF-XC864L-1FRI 5V AA?
For technical support, including SAF-XC864L-1FRI 5V AA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SAF-XC864L-1FRI 5V AA requirements.
6.How does Aetrix verify that SAF-XC864L-1FRI 5V AA is sourced from the original manufacturer or authorized distributors?
All SAF-XC864L-1FRI 5V AA 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 SAF-XC864L-1FRI 5V AA meets industry standards.
7.What is the process for return or replacement of SAF-XC864L-1FRI 5V AA?
All SAF-XC864L-1FRI 5V AA units undergo pre-shipment inspection (PSI). If there is an issue with SAF-XC864L-1FRI 5V AA, 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 SAF-XC864L-1FRI 5V AA part is unused and in its original packaging.
Return procedure for SAF-XC864L-1FRI 5V AA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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