Infineon Technologies SAF-XC164SM-8F20F AA
- Part No.:
- SAF-XC164SM-8F20F AA
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
SAF-XC164SM-8F20F AA.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64TQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,792
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Product details
Overview
SAF-XC164SM-8F20F AA from Infineon Technologies is a 16-bit single-chip microcontroller based on the C166SV2 core, featuring 64 KB on-chip Flash, 2 KB DPRAM + 2 KB DSRAM + 2 KB PSRAM, and operation at 20 MHz CPU clock (50 ns instruction cycle). It integrates ASC0/ASC1 USARTs, SSC0/SSC1 synchronous serial channels, a 14-channel 10-bit ADC (2.55 µs conversion), CAPCOM2/CAPCOM6 PWM units, and GPT12E timers for motor control and industrial automation.
For engineers reviewing the SAF-XC164SM-8F20F AA datasheet, SAF-XC164SM-8F20F AA pinout, SAF-XC164SM-8F20F AA application, or SAF-XC164SM-8F20F AA equivalent, key selection criteria include Flash size (64 KB), RAM configuration (2+2+2 KB), 64-pin TQFP package, -40 to +85 °C temperature range, and integrated peripheral set for real-time embedded control with deterministic interrupt latency down to 50 ns.
Technical Context
The XC164SM implements a 5-stage pipelined C166SV2 CPU core with zero-cycle jumps, 1-cycle 16×16 multiplication, and MAC instructions-enabling efficient real-time control loop execution. Its interrupt system supports 63 sources across 16 priority levels, with sample-rate capability down to 50 ns for time-critical event handling.
On-chip peripherals include dual ASC interfaces (asynchronous/synchronous UART), dual SSC modules (SPI-like high-speed synchronous), CAPCOM6 for flexible PWM generation (e.g., 3-phase motor drive), and GPT12E with five independent timers supporting capture, compare, and PWM output with programmable dead-time insertion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C166SV2 16-bit RISC core with 5-stage pipeline, enabling single-cycle instruction execution at 20 MHz (50 ns cycle time) |
| Flash Memory | 64 KB on-chip Flash with 100 kcycle endurance and 20-year data retention-sufficient for firmware storage and field updates in industrial controllers |
| RAM Configuration | 2 KB DPRAM (dual-port for CPU/peripheral access), 2 KB DSRAM (data SRAM), 2 KB PSRAM (program/data SRAM)-supports concurrent code execution and data buffering |
| ADC | 14-channel, 10-bit SAR ADC with programmable resolution (8/10-bit) and min. 2.55 µs conversion time-enables fast analog sensing in closed-loop motor control |
| Timers & PWM | GPT12E (5 timers), CAPCOM2 (16-channel capture/compare), CAPCOM6 (flexible PWM generator with center-aligned mode)-supports multi-axis motion control and digital power supply regulation |
| Serial Interfaces | ASC0/ASC1 (UART/SPI/I²C-emulation modes), SSC0/SSC1 (full-duplex synchronous serial, up to 10 Mbit/s)-provides robust host communication and sensor/actuator interfacing |
| Operating Range | -40 °C to +85 °C ambient temperature, 3.0 V to 5.5 V supply voltage-qualified for industrial-grade deployment without external thermal management |
Pinout & Package
SAF-XC164SM-8F20F AA is housed in a RoHS-compliant 64-pin TQFP package (0.5 mm pitch), with thermal pad exposed on underside for enhanced heat dissipation in continuous industrial operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital supply pins with separate VDDA/VSSA for ADC reference stability |
| XTAL1, XTAL2 | Crystal oscillator input/output | Supports external crystal (1–20 MHz) or ceramic resonator; internal PLL enables 20 MHz CPU clock from 10 MHz input |
| P0.0–P0.7 | Port 0 general-purpose I/O | Bi-directional with selectable input thresholds/hysteresis; P0.0–P0.3 support ASC0 functions |
| P1.0–P1.7 | Port 1 general-purpose I/O | Includes CAPCOM2 channel inputs/outputs and GPT12E timer signals; supports edge-triggered interrupts |
| P2.0–P2.7 | Port 2 general-purpose I/O | Maps to ASC1, SSC0, SSC1, and ADC channel inputs; configurable as alternate function or GPIO |
| TRST, TCK, TMS, TDO, TDI | JTAG debug interface | Enables full on-chip debug support (OCDS) for real-time tracing, breakpoint setting, and register inspection during development |
Key Features
| Feature | Design Value |
|---|---|
| Zero-cycle jump execution | Eliminates pipeline stalls during branch-intensive control algorithms, improving real-time predictability in motor commutation |
| Peripheral Event Controller (PEC) | 8-channel DMA-like transfer engine with 24-bit addressing-enables autonomous ADC-to-memory or timer-to-PWM updates without CPU intervention |
| Programmable watchdog timer | Configurable timeout period with windowed mode and reset/interrupt options-prevents runaway code in safety-critical embedded systems |
| Flexible power management | Idle, Sleep, and Power Down modes with wake-up via external interrupt or timer-reduces active current to <100 µA in Sleep mode for battery-backed applications |
| On-chip bootstrap loader | Enables in-system programming via ASC0 using standard UART protocol-eliminates need for external programmer in field firmware updates |
Applications
| Industrial Motor Control | Automated Test Equipment (ATE) |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC (Field-Oriented Control) algorithm with synchronized PWM generation, ADC sampling, and position feedback processing. Use Value: CAPCOM6's center-aligned PWM and GPT12E's dead-time insertion ensure precise phase timing; 50 ns interrupt response guarantees timely current loop correction. | Use Scenario: High-speed signal acquisition and stimulus generation in benchtop ATE platforms. IC Role / Device Role / Timing Role: Coordinating multi-channel ADC sampling, waveform synthesis via PWM, and serial communication with host PC. Use Value: 14-channel 10-bit ADC (2.55 µs conversion) and PEC-driven memory transfers enable deterministic 100 kSPS aggregate throughput without CPU overhead. |
| Smart Power Supply Monitoring | Industrial PLC I/O Module |
Use Scenario: Monitoring voltage/current/temperature in telecom rectifiers and UPS systems. IC Role / Device Role / Timing Role: Analog front-end controller managing isolation, protection logic, and CAN/RS-485 reporting. Use Value: Integrated ASC1 supports isolated RS-485 communication; programmable ADC thresholds trigger immediate overcurrent shutdown via GPIO-controlled MOSFET gate driver. | Use Scenario: Distributed digital I/O expansion module with local logic and diagnostics in modular PLC racks. IC Role / Device Role / Timing Role: Local decision engine executing ladder logic, fault detection, and status reporting over backplane interface. Use Value: 47 GPIO lines with hysteresis and configurable pull-ups simplify direct connection to sensors/relays; on-chip Flash stores configuration and firmware independently of main PLC CPU. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit industrial microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAF-XC164CS-8F20F | Same core, 64 KB Flash, but lacks CAPCOM6 unit and has reduced ASC/SSC channel count (ASC0 only, no SSC) | Suitable for simpler serial communication tasks without complex PWM generation | Select when CAPCOM6-based motor control is not required and BOM cost reduction is prioritized |
| XC2267M-104F80L | Successor generation (TriCore™), 80 MHz, 800 KB Flash, 128 KB RAM, but requires updated toolchain and larger PCB footprint | Targeted at next-generation designs requiring higher compute throughput and CAN FD support | Choose for new designs needing scalability beyond XC164SM capabilities; not drop-in compatible |
Compared with SAF-XC164CS-8F20F, the SAF-XC164SM-8F20F AA provides essential CAPCOM6 PWM hardware for advanced motor control, while XC2267M-104F80L offers tripling of CPU performance and expanded memory-but demands full architecture re-evaluation and tool migration.
Availability
SAF-XC164SM-8F20F AA is available at Aetrix Electronics and suitable for industrial motor control, automated test equipment, smart power supply monitoring, and PLC I/O modules requiring stable component supply and long-term lifecycle support.
Supply support for SAF-XC164SM-8F20F 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 ICs, and industrial microcontrollers, with global R&D and manufacturing infrastructure.
The XC164SM product line was engineered for deterministic real-time control in harsh industrial environments, emphasizing low-latency interrupt response, integrated analog/motor peripherals, and robust flash reliability under thermal cycling.
FAQ
What is the maximum operating frequency of the SAF-XC164SM-8F20F AA CPU core?
The SAF-XC164SM-8F20F AA operates with a 20 MHz CPU clock, delivering a 50 ns instruction cycle time. This is achieved using the on-chip PLL, which can multiply an external 10 MHz crystal input by a factor of 2. The C166SV2 core's 5-stage pipeline enables single-cycle execution of most instructions at this frequency.
Does the SAF-XC164SM-8F20F AA support in-system programming (ISP)?
Yes-it includes an on-chip bootstrap loader accessible via ASC0 UART, allowing firmware updates without external programming hardware. The loader supports standard ASCII-based command protocols and verifies Flash write integrity using checksum validation before committing code.
How many independent PWM outputs can be generated simultaneously?
The device supports up to 16 independent PWM outputs: 12 from CAPCOM2 (16-channel capture/compare unit) and 4 additional high-resolution outputs from CAPCOM6, which supports center-aligned, edge-aligned, and asymmetric PWM modes with programmable dead-time insertion.
Is JTAG debugging supported, and what capabilities does it provide?
Yes-JTAG interface (TRST, TCK, TMS, TDO, TDI) enables full On-Chip Debug Support (OCDS), including real-time program flow tracing, hardware breakpoints, watchpoint-triggered memory access logging, and live register inspection without halting CPU execution during active peripheral operation.
SAF-XC164SM-8F20F AA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- XC16x
- Packaging:
- Cut Tape (CT)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- C166SV2
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- SPI, UART/USART
- Peripherals:
- PWM, WDT
- Number of I/O:
- 47
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 2.7V
- Data Converters:
- A/D 14x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SAF-XC164SM-8F20F AA FAQ
1.How can I place an order for SAF-XC164SM-8F20F AA through Aetrix?
Please submit a Request for Quotation (RFQ) for SAF-XC164SM-8F20F 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-XC164SM-8F20F AA reliable?
The price and inventory of SAF-XC164SM-8F20F 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-XC164SM-8F20F AA is usually 5 days.
3.What payment methods are accepted for SAF-XC164SM-8F20F AA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SAF-XC164SM-8F20F AA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SAF-XC164SM-8F20F AA?
SAF-XC164SM-8F20F AA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SAF-XC164SM-8F20F 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-XC164SM-8F20F AA?
For technical support, including SAF-XC164SM-8F20F AA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SAF-XC164SM-8F20F AA requirements.
6.How does Aetrix verify that SAF-XC164SM-8F20F AA is sourced from the original manufacturer or authorized distributors?
All SAF-XC164SM-8F20F 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-XC164SM-8F20F AA meets industry standards.
7.What is the process for return or replacement of SAF-XC164SM-8F20F AA?
All SAF-XC164SM-8F20F AA units undergo pre-shipment inspection (PSI). If there is an issue with SAF-XC164SM-8F20F 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-XC164SM-8F20F AA part is unused and in its original packaging.
Return procedure for SAF-XC164SM-8F20F AA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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