My Inquiry
My Account
Infineon Technologies SAFXC164TM16F20FBA
- Part No.:
- SAFXC164TM16F20FBA
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
SAFXC164TM16F20FBA.pdf
- Description:
- LEGACY 16-BIT FLASH MCU
- Quantity:
- Payment:
- Shipping:
Inventory:772
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SAFXC164TM16F20FBA from Infineon Technologies is a 16-bit single-chip microcontroller based on the C166SV2 core, featuring 128 KB on-chip Flash, 2 KB DPRAM, 4 KB DSRAM, and 2 KB PSRAM. It integrates ASC0/ASC1 USARTs, SSC0/SSC1 synchronous serial channels, a 14-channel 10-bit ADC (2.55 µs conversion), CAPCOM2, GPT12E, RTC, and PLL-based clock generation. It targets industrial motor control and embedded real-time systems requiring deterministic interrupt response down to 50 ns.
For engineers reviewing the SAFXC164TM16F20FBA datasheet, SAFXC164TM16F20FBA pinout, SAFXC164TM16F20FBA application, or SAFXC164TM16F20FBA equivalent, key selection criteria include its 40 MHz CPU clock (25 ns instruction cycle), 16-priority-level interrupt system, JTAG-based OCDS debug support, 64-pin LQFP RoHS package, and Flash endurance of 100 k erase/write cycles.
Technical Context
The SAFXC164TM16F20FBA implements the C166SV2 16-bit CPU with a 5-stage pipeline, enabling single-cycle execution for most instructions and 1-cycle 16×16 multiplication. Its memory subsystem includes linear 16 MB address space, dual-port RAM for concurrent CPU/peripheral access, and Flash configured for 128 KB program storage with boot loader support.
Peripheral integration centers on real-time control: CAPCOM2 provides 16 capture/compare channels for PWM and timing, GPT12E delivers five independent timers with reload and gating, and the 14-channel ADC supports programmable resolution (8/10-bit) and conversion times as low as 2.55 µs-critical for closed-loop motor current sampling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C166SV2 16-bit with 5-stage pipeline; enables deterministic 25 ns instruction cycle at 40 MHz. |
| Flash Memory | 128 KB on-chip Flash; supports in-system programming and 100 k erase/write cycles for firmware updates. |
| RAM Configuration | 2 KB DPRAM + 4 KB DSRAM + 2 KB PSRAM; separates data, program, and peripheral-access buffers to avoid bus contention. |
| ADC Performance | 14-channel, 10-bit ADC with 2.55 µs conversion time; meets sub-µs sampling requirements for 3-phase motor current sensing. |
| Interrupt Latency | 50 ns minimum sample rate; supports hard real-time response for overcurrent fault handling in power electronics. |
| Package | 64-pin LQFP, 0.5 mm pitch, RoHS-compliant; validated for industrial PCB assembly and thermal dissipation up to 85 °C ambient. |
| Debug Interface | JTAG-based On-Chip Debug Support (OCDS); enables non-intrusive breakpointing and register inspection during live motor control execution. |
Pinout & Package
SAFXC164TM16F20FBA is housed in a 64-pin Low-Profile Quad Flat Package (LQFP) with 0.5 mm lead pitch, RoHS compliant, and rated for −40 °C to +85 °C operation. Thermal resistance θJA is 37 K/W (JEDEC standard board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 5 V supply domains: VDD for I/O and analog peripherals, VSS for digital core reference; decoupling required per datasheet layout guidelines. |
| XTAL1, XTAL2 | Crystal oscillator input/output | Supports external crystal (1–20 MHz) or ceramic resonator; feeds on-chip PLL for scalable CPU clock up to 40 MHz. |
| TxD0, RxD0 | Asynchronous serial channel 0 | Full-duplex UART interface for host diagnostics or parameter upload; configurable baud rate generator with fractional divider. |
| SSC0_MOSI, SSC0_MISO | Synchronous serial channel 0 data lines | High-speed SPI-compatible interface for encoder feedback or digital sensor readout at up to 10 Mbps. |
| ADCTRIG | ADC conversion trigger input | Hardware-synchronized sampling: accepts edge-triggered pulses from CAPCOM2 or timer outputs to align conversions with PWM edges. |
| TRST, TCK, TMS, TDI, TDO | JTAG debug interface | Standard 5-pin JTAG chain for boundary scan, flash programming, and real-time trace via OCDS controller. |
Key Features
| Feature | Design Value |
|---|---|
| 5-stage pipelined C166SV2 core | Enables zero-cycle jumps and 1-cycle MAC operations-reducing loop overhead in PID motor control algorithms. |
| 16-priority-level interrupt system | Guarantees sub-100 ns latency for critical faults (e.g., overvoltage, overtemperature) while supporting background communication tasks. |
| Peripheral Event Controller (PEC) | 8-channel DMA engine with 24-bit addressing; moves ADC results or PWM registers without CPU intervention, freeing cycles for computation. |
| Programmable watchdog & oscillator watchdog | Dual-watchdog architecture detects both software hang and clock failure-required for SIL-2 functional safety compliance in drives. |
| On-chip bootstrap loader | Enables field firmware updates via ASC0 without external programmer; supports secure checksum validation before Flash write. |
Applications
| Industrial Motor Drives | Automated HVAC Controllers |
|---|---|
Use Scenario: Field-oriented control (FOC) of 3-phase BLDC motors in variable-frequency drives. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, synchronized PWM generation, and current sampling via ADC triggered by CAPCOM2. Use Value: 2.55 µs ADC conversion and 50 ns interrupt latency ensure precise current vector sampling within PWM dead-time windows. | Use Scenario: Multi-zone temperature regulation using modulating valves and EC fans in commercial HVAC units. IC Role / Device Role / Timing Role: Coordinating analog sensor reads (NTC, humidity), digital actuator control (valve position, fan speed), and Modbus RTU communication over ASC1. Use Value: Integrated ASC/SSC interfaces eliminate external level shifters; 128 KB Flash accommodates full Modbus stack plus application logic. |
| Programmable Logic Controllers (PLC) I/O Modules | Industrial Power Supplies |
Use Scenario: Digital input conditioning and high-speed counter modules for encoder-based motion tracking. IC Role / Device Role / Timing Role: CAPCOM2 captures quadrature encoder edges; GPT12E timers measure pulse width and period for velocity calculation. Use Value: 16-channel CAPCOM2 supports up to four independent encoders simultaneously with hardware-debounced inputs. | Use Scenario: Digital control of isolated DC-DC converters with adaptive voltage regulation and fault logging. IC Role / Device Role / Timing Role: Closed-loop regulation using ADC-measured output voltage/current, PWM output via CAPCOM2, and nonvolatile fault history storage in Flash. Use Value: Dual-port RAM allows concurrent ADC sampling and fault-handling ISR execution without data corruption. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit real-time microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAF-XC164CS-16F40F | Same C166SV2 core, identical 128 KB Flash and peripheral set, but uses 64-pin TQFP (not LQFP) and design step AA vs BA. | No functional difference in motor control use cases; TQFP may require different PCB footprint and reflow profile. | Select when legacy TQFP assembly infrastructure exists or thermal performance under forced convection is prioritized. |
| SAF-XC2267M-104F80L | Successor 32-bit TriCore™ device with 80 MHz CPU, 512 KB Flash, and enhanced CAN 2.0B support-not pin- or code-compatible. | Required for designs needing CAN bus integration or >100 DMIPS compute throughput; not drop-in replaceable. | Choose for new designs targeting higher integration, automotive qualification, or future scalability beyond 16-bit limits. |
Compared with SAF-XC164CS-16F40F, SAFXC164TM16F20FBA offers identical functionality in an LQFP package optimized for automated optical inspection and fine-pitch routing. Against XC2267M-104F80L, it trades raw performance and CAN for lower BOM cost, mature toolchain support, and proven reliability in long-lifecycle industrial drives.
Availability
SAFXC164TM16F20FBA is available at Aetrix Electronics and suitable for industrial motor drives, HVAC controllers, PLC I/O modules, and digital power supplies requiring stable component supply across extended production lifecycles.
Supply support for SAFXC164TM16F20FBA 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 manufacturing and quality certification to ISO/TS 16949 and IEC 61508.
The XC164TM family was designed specifically for deterministic real-time embedded control in harsh industrial environments-emphasizing interrupt latency, analog integration, and Flash reliability over general-purpose computing features.
FAQ
What is the maximum operating frequency and corresponding instruction cycle time?
The SAFXC164TM16F20FBA achieves a maximum CPU clock of 40 MHz, resulting in a 25 ns instruction cycle time for single-cycle-execution instructions. This timing is guaranteed across the full −40 °C to +85 °C temperature range and 4.5–5.5 V supply, as verified in Section 4.4.1 of the V1.2 datasheet.
Does this microcontroller support in-application programming (IAP) of Flash memory?
Yes, the SAFXC164TM16F20FBA supports IAP via its on-chip bootstrap loader and dedicated Flash command interface. Firmware updates can be performed using ASC0 without halting real-time control, provided the active code resides outside the sector being rewritten-details are specified in Section 4.4.2 and the Application Note AP32067.
How many independent PWM channels can be generated using CAPCOM2?
CAPCOM2 provides 16 independent capture/compare channels, each configurable as a PWM output with programmable period, duty cycle, and dead-time insertion. Up to eight complementary PWM pairs (e.g., for 3-phase inverter leg control) can be generated simultaneously with synchronized update triggers.
Is JTAG debugging supported, and what debug capabilities does OCDS provide?
Yes, JTAG-based On-Chip Debug Support (OCDS) is fully integrated. It enables real-time register inspection, hardware breakpoints, watchpoint-triggered trace, and non-intrusive program flow analysis-without requiring dedicated debug pins beyond the standard TRST/TCK/TMS/TDI/TDO signals defined in IEEE 1149.1.
SAFXC164TM16F20FBA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- C166SV2
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- C166SV2
- Core Size:
- 16-Bit
- Speed:
- 40MHz
- Connectivity:
- ASC, SPI, SSC, UART/USART
- Peripherals:
- PWM, WDT
- Number of I/O:
- 47
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 2.7V
- Data Converters:
- A/D 14x8/10b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SAFXC164TM16F20FBA FAQ
1.How can I place an order for SAFXC164TM16F20FBA through Aetrix?
Please submit a Request for Quotation (RFQ) for SAFXC164TM16F20FBA 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 SAFXC164TM16F20FBA reliable?
The price and inventory of SAFXC164TM16F20FBA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SAFXC164TM16F20FBA is usually 5 days.
3.What payment methods are accepted for SAFXC164TM16F20FBA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SAFXC164TM16F20FBA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SAFXC164TM16F20FBA?
SAFXC164TM16F20FBA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SAFXC164TM16F20FBA 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 SAFXC164TM16F20FBA?
For technical support, including SAFXC164TM16F20FBA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SAFXC164TM16F20FBA requirements.
6.How does Aetrix verify that SAFXC164TM16F20FBA is sourced from the original manufacturer or authorized distributors?
All SAFXC164TM16F20FBA 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 SAFXC164TM16F20FBA meets industry standards.
7.What is the process for return or replacement of SAFXC164TM16F20FBA?
All SAFXC164TM16F20FBA units undergo pre-shipment inspection (PSI). If there is an issue with SAFXC164TM16F20FBA, 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 SAFXC164TM16F20FBA part is unused and in its original packaging.
Return procedure for SAFXC164TM16F20FBA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SAFXC164TM16F20FBA Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…
