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Infineon Technologies SAF-XC164KM-8F20F AA
- Part No.:
- SAF-XC164KM-8F20F AA
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
SAF-XC164KM-8F20F AA.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,903
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Product details
Overview
SAF-XC164KM-8F20F AA from Infineon Technologies is a 16-bit single-chip microcontroller based on the C166SV2 core, operating at 20 MHz CPU clock (50 ns instruction cycle), featuring 64 KB on-chip Flash, 2 KB DPRAM + 2 KB DSRAM + 2 KB PSRAM, and integrated TwinCAN 2.0B interface with dual CAN nodes. It targets automotive body control modules requiring deterministic real-time I/O handling and CAN network gateway functionality.
For engineers reviewing the SAF-XC164KM-8F20F AA datasheet, SAF-XC164KM-8F20F AA pinout, SAF-XC164KM-8F20F AA application, or SAF-XC164KM-8F20F AA equivalent, key selection criteria include its 64-pin TQFP package, 20 MHz operation with PLL clock generation, 16-channel CAPCOM2 unit, GPT12E timer, and ASC/SSC serial interfaces for sensor and actuator communication in constrained embedded systems.
Technical Context
The XC164KM implements the C166SV2 16-bit CPU core with 5-stage pipeline, supporting single-cycle 16×16 multiply and 21-cycle 32/16 divide operations. Its memory subsystem includes separate 64 KB Flash program memory, 2 KB dual-port RAM for concurrent CPU/peripheral access, and 2 KB data SRAM with parity protection.
Peripheral integration centers on real-time control: TwinCAN module supports 32 message objects across two independent CAN controllers (CAN0/CAN1), CAPCOM2 provides 16 capture/compare channels with dead-time insertion, and GPT12E delivers five 16-bit timers with reload and synchronization capabilities - all synchronized to a common clock domain for deterministic timing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C166SV2 16-bit RISC core with 5-stage pipeline, enabling 20 MHz operation (50 ns instruction cycle) and zero-cycle jumps for deterministic branch execution. |
| Flash Memory | 64 KB on-chip Flash with 100 kcycle endurance and 20-year data retention - sufficient for firmware storage and field updates in automotive ECUs. |
| RAM Configuration | 2 KB DPRAM (dual-port, CPU + peripheral access), 2 KB DSRAM (data SRAM with parity), 2 KB PSRAM (program/data SRAM) - enables real-time ISR handling without bus contention. |
| CAN Interface | TwinCAN Rev. 2.0B compliant with 32 message objects, dual CAN nodes (CAN0/CAN1), and hardware gateway logic - supports multi-bus vehicle networks without external bridging. |
| Timer System | GPT12E unit with five 16-bit timers, programmable prescalers, and synchronization inputs - used for PWM generation, input capture, and time-stamped event logging in motor control. |
| Serial Interfaces | Two ASC (asynchronous/synchronous UART) and two SSC (high-speed synchronous SPI-like) channels - provide flexible connectivity to LIN transceivers, sensors, and display drivers. |
| Package | 64-pin TQFP, 0.5 mm pitch, RoHS-compliant - compatible with standard SMT assembly and meets automotive thermal requirements (−40°C to +85°C). |
Pinout & Package
SAF-XC164KM-8F20F AA is housed in a 64-pin Thin Quad Flat Package (TQFP) with 0.5 mm lead pitch, designed for surface-mount reflow assembly and automotive-grade thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power pins with internal decoupling support - require external 100 nF ceramic capacitors per supply pair for stable 5 V operation. |
| XTAL1, XTAL2 | Crystal oscillator input/output | Accepts 1–20 MHz crystal or external clock source; drives internal PLL to generate 20 MHz CPU clock - enables precise timing without external frequency synthesizer. |
| CAN0_TX, CAN0_RX | CAN0 differential transmitter/receiver | Direct connection to CAN transceiver (e.g., TJA1040); supports bit rates up to 1 Mbps with built-in protocol engine and message filtering. |
| CAN1_TX, CAN1_RX | CAN1 differential transmitter/receiver | Independent second CAN channel for redundant bus or gateway routing between CAN domains - no software arbitration required. |
| P0.0–P0.7 | Port 0 general-purpose I/O | 8-bit bidirectional port with selectable Schmitt-trigger input thresholds and hysteresis - suitable for direct switch sensing or LED driving with configurable pull-up/pull-down. |
| ASC0_TxD, ASC0_RxD | Asynchronous serial transmit/receive | Full-duplex UART interface with programmable baud rate generator - used for diagnostic communication (K-line) or bootloader interaction via RS-232 level shifter. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip TwinCAN 2.0B | Dual independent CAN controllers sharing one message RAM; supports full CAN and Basic CAN modes with hardware message filtering and automatic retransmission - eliminates need for external CAN bridge ICs. |
| CAPCOM2 Unit | 16-channel capture/compare module with dead-time insertion, edge detection, and shadow register update - enables precise 3-phase motor control PWM with fault-safe gate drive timing. |
| GPT12E Timer | Five 16-bit timers with prescaler, reload, and synchronization inputs; supports one-shot, periodic, and gated counting - used for time-critical tasks like ignition timing or ADC sampling triggers. |
| Peripheral Event Controller (PEC) | 8-channel DMA-like controller with 24-bit addressing - transfers data between peripherals and memory without CPU intervention, reducing interrupt load during high-bandwidth sensor acquisition. |
| On-chip Debug Support (OCDS) | JTAG-based debug interface with breakpoint registers and trace capability - allows non-intrusive real-time debugging and flash programming in production environments. |
Applications
| Automotive Body Control Module | Industrial CAN Gateway |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and HVAC in passenger vehicles using distributed CAN nodes. IC Role / Device Role / Timing Role: Main MCU executing real-time task scheduler, managing CAN message routing between comfort and powertrain buses, and driving local I/O via P0/P1 ports. Use Value: TwinCAN hardware gateway reduces latency vs. software-based routing; CAPCOM2 and GPT12E enable synchronized PWM for LED dimming and motor actuation without CPU overhead. | Use Scenario: Protocol translation and data aggregation between legacy CANopen devices and modern EtherCAT or Modbus TCP networks in factory automation. IC Role / Device Role / Timing Role: Standalone gateway processor running lightweight RTOS, buffering messages between CAN0 (field device bus) and CAN1 (supervisory bus), with ASC/SSC interfacing to host controller. Use Value: On-chip 64 KB Flash stores dual firmware images; PEC offloads serial-to-CAN packet conversion, maintaining >95% bus utilization at 500 kbps. |
| Motor Control Subsystem | Diagnostic Communication Node |
Use Scenario: Closed-loop control of BLDC motors in electric power steering (EPS) or HVAC blowers using Hall-effect or encoder feedback. IC Role / Device Role / Timing Role: Real-time motor controller executing FOC algorithm, generating 3-phase PWM via CAPCOM2, sampling current via on-chip ADC (external), and communicating status over CAN0. Use Value: 20 MHz deterministic execution ensures <1 µs jitter in PWM edge placement; DPRAM allows concurrent ADC result buffering and control loop calculation. | Use Scenario: UDS-compliant diagnostic ECU for reading DTCs, performing ECU reprogramming, and monitoring vehicle parameters via OBD-II connector. IC Role / Device Role / Timing Role: Diagnostic host processor interpreting ISO 15765-2 (CAN TP) frames, managing flash update sequences, and exposing services via ASC0 (K-line) or CAN1 (OBD-II CAN). Use Value: On-chip bootstrap loader enables field firmware updates without external programmer; watchdog timer and oscillator watchdog ensure recovery from communication faults during reflash. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAF-XC164CS-8F20F | Same C166SV2 core and pinout, but lacks TwinCAN - only single CAN node (CAN0) and no CAN1 or gateway logic. | Suitable for single-bus applications (e.g., simple sensor node), not for multi-CAN routing or gateway use cases. | Select only if CAN redundancy or inter-bus messaging is unnecessary; verify CAN message object count (16 vs. 32) matches firmware requirements. |
| SPC560B50L5 | 32-bit Power Architecture core, 64 MHz, 512 KB Flash, integrated CAN FD, but requires different toolchain and lacks CAPCOM2/GPT12E peripheral set. | Targets next-generation automotive platforms needing CAN FD bandwidth and ASIL-B compliance - not drop-in compatible. | Choose for future-proofing where CAN FD, higher performance, or functional safety certification is mandatory; expect significant firmware porting effort. |
Compared with SAF-XC164CS-8F20F, the SAF-XC164KM-8F20F provides essential dual-CAN and gateway capability for multi-domain vehicle networks; versus SPC560B50L5, it offers proven peripheral compatibility for legacy C166-based codebases but lacks CAN FD and ASIL support - making it optimal for cost-sensitive, volume automotive body electronics.
Availability
SAF-XC164KM-8F20F AA is available at Aetrix Electronics and suitable for automotive body control modules, industrial CAN gateways, motor control subsystems, and diagnostic communication nodes requiring stable component supply and long-term lifecycle support.
Supply support for SAF-XC164KM-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, and industrial control ICs, with global manufacturing and R&D infrastructure.
The XC164KM product line extends the C166 family for automotive body electronics and real-time control applications, emphasizing CAN integration, deterministic timing, and robustness in extended temperature environments.
FAQ
What is the maximum operating frequency and corresponding instruction cycle time for SAF-XC164KM-8F20F AA?
The SAF-XC164KM-8F20F AA operates at a maximum CPU clock frequency of 20 MHz, yielding a 50 ns instruction cycle time. This is achieved using the on-chip PLL configured with a 1:1 multiplication factor from a 20 MHz external crystal or oscillator connected to XTAL1/XTAL2. The C166SV2 core's 5-stage pipeline enables single-cycle execution for most instructions, including zero-cycle jumps.
Does SAF-XC164KM-8F20F AA support in-system programming via JTAG?
Yes, SAF-XC164KM-8F20F AA supports full in-system programming and debugging via its IEEE 1149.1-compliant JTAG interface. The on-chip OCDS (On-Chip Debug Support) enables flash programming, breakpoint setting, register inspection, and real-time trace without requiring external ROM or bootloaders. Programming voltage (VPP) is internally generated, eliminating need for external high-voltage sources.
How many CAN message objects does the TwinCAN module support, and are they shared or independent?
The TwinCAN module supports 32 message objects total, allocated across both CAN0 and CAN1 nodes. These objects reside in a shared 2 KB message RAM with hardware arbitration logic, allowing flexible assignment - e.g., 16 objects to CAN0 and 16 to CAN1, or asymmetric splits. Each node has dedicated transmit/receive buffers and independent acceptance filtering, enabling true concurrent operation without software-managed resource contention.
What is the purpose of the Peripheral Event Controller (PEC), and how many channels does it provide?
The Peripheral Event Controller (PEC) provides eight autonomous, interrupt-driven data transfer channels that operate independently of the CPU. Each channel supports single-cycle data movement between peripherals (e.g., ASC, SSC, CAPCOM2) and memory using 24-bit addressing. It eliminates CPU polling overhead during high-frequency I/O operations such as serial data reception or timer capture, improving real-time responsiveness and reducing average current consumption in active modes.
SAF-XC164KM-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:
- CANbus, EBI/EMI, 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:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SAF-XC164KM-8F20F AA FAQ
1.How can I place an order for SAF-XC164KM-8F20F AA through Aetrix?
Please submit a Request for Quotation (RFQ) for SAF-XC164KM-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-XC164KM-8F20F AA reliable?
The price and inventory of SAF-XC164KM-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-XC164KM-8F20F AA is usually 5 days.
3.What payment methods are accepted for SAF-XC164KM-8F20F AA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SAF-XC164KM-8F20F AA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SAF-XC164KM-8F20F AA?
SAF-XC164KM-8F20F AA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SAF-XC164KM-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-XC164KM-8F20F AA?
For technical support, including SAF-XC164KM-8F20F AA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SAF-XC164KM-8F20F AA requirements.
6.How does Aetrix verify that SAF-XC164KM-8F20F AA is sourced from the original manufacturer or authorized distributors?
All SAF-XC164KM-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-XC164KM-8F20F AA meets industry standards.
7.What is the process for return or replacement of SAF-XC164KM-8F20F AA?
All SAF-XC164KM-8F20F AA units undergo pre-shipment inspection (PSI). If there is an issue with SAF-XC164KM-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-XC164KM-8F20F AA part is unused and in its original packaging.
Return procedure for SAF-XC164KM-8F20F AA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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