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Infineon Technologies XC2321D20F66VAAKXUMA1
- Part No.:
- XC2321D20F66VAAKXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
XC2321D20F66VAAKXUMA1.pdf
- Description:
- IC MCU 16/32B 160KB FLASH 48VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,662
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Product details
Overview
XC2321D20F66VAAKXUMA1 from Infineon Technologies is a 16/32-bit single-chip microcontroller in the XC2000 Econo Line, featuring a C166-compatible CPU core with 80 MHz operation (12.5 ns instruction cycle), 160 KB on-chip Flash, 12 KB on-chip SRAM (2 KB DPRAM + 6 KB DSRAM + 4 KB PSRAM), and integrated MultiCAN 2.0B interface with 32 message objects across two CAN nodes. It targets automotive body control modules requiring deterministic real-time response, low-voltage operation (3.0–5.5 V), and functional safety support via ECC-protected Flash and parity-protected RAM.
For engineers reviewing the XC2321D20F66VAAKXUMA1 datasheet, XC2321D20F66VAAKXUMA1 pinout, XC2321D20F66VAAKXUMA1 application, or XC2321D20F66VAAKXUMA1 equivalent, key selection criteria include its 80 MHz C166-core performance, dual-port RAM for concurrent CPU/peripheral access, hardware CRC checker for memory integrity, CCU6x PWM units for motor control, and 48-pin VQFN package with 0.5 mm pitch.
Technical Context
The XC2321D20F66VAAKXUMA1 implements a five-stage pipelined C166 CPU with MPU, supporting 16 Mbyte linear address space and fast context switching via dual local register banks. Its memory subsystem includes ECC-protected Flash and parity-protected SRAM blocks, while the Peripheral Event Controller (PEC) enables interrupt-driven, single-cycle data transfers using 24-bit pointers spanning full address space.
Real-time capability is reinforced by dedicated peripherals: a 12-bit A/D converter with ≤1 μs conversion time and broken-wire detection; two CCU6x units for flexible PWM generation; and a MultiCAN module compliant with ISO 11898-1:2003 (Rev. 2.0B), supporting Full CAN and gateway functionality between two independent CAN nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C166-compatible 16/32-bit architecture with five-stage pipeline and MPU |
| Max Clock Frequency | 80 MHz - enables 12.5 ns instruction cycle for deterministic real-time execution |
| Flash Memory | 160 KB - supports large firmware images with ECC protection for bit-error resilience |
| SRAM Total | 12 KB (2 KB DPRAM + 6 KB DSRAM + 4 KB PSRAM) - enables concurrent CPU/peripheral access and code/data separation |
| A/D Converter | 12-bit, 10-channel, ≤1 μs conversion - suitable for fast analog sensing in motor control and battery monitoring |
| CAN Interface | MultiCAN Rev. 2.0B, 2 nodes, 32 message objects - provides robust vehicle network connectivity with gateway capability |
| Package | 48-pin VQFN, 0.5 mm pitch, green RoHS-compliant - compact footprint for space-constrained automotive PCBs |
| Supply Voltage | 3.0 V to 5.5 V - compatible with wide-range automotive battery systems including cold-crank conditions |
Pinout & Package
XC2321D20F66VAAKXUMA1 is housed in a 48-pin Green VQFN package (7.0 × 7.0 mm, 0.5 mm pitch) with exposed thermal pad. Pin definitions are validated per Infineon Data Sheet V1.2 (2012-07), Section 2.1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: core (VDD) and I/O (VDDIO) with independent decoupling required |
| OSCIN/OSCOUT | External crystal oscillator input/output | Supports 1–20 MHz crystal; internal PLL generates up to 80 MHz system clock |
| CANL/CANH (CAN0, CAN1) | Differential CAN bus transceiver interfaces | Two independent CAN physical layers; each requires external high-speed transceiver |
| ADCTRIGx | A/D conversion trigger inputs | Hardware-synchronized sampling via timer or peripheral event - eliminates software jitter |
| CC60–CC65 | PWM output channels (CCU60/61) | Complementary PWM pairs with dead-time insertion - essential for 3-phase motor gate drive |
| DAP_TCK/TMS/TDO/TDI | JTAG debug interface signals | Full IEEE 1149.1 compliance for boundary scan and on-chip debug via Device Access Port |
Key Features
| Feature | Design Value |
|---|---|
| Hardware CRC Checker | Programmable polynomial engine for runtime integrity verification of Flash and SRAM regions |
| Peripheral Event Controller (PEC) | Eight-channel DMA-like transfer with 24-bit addressing - offloads CPU during sensor data acquisition |
| CCU6x PWM Units | Two independent capture/compare units with center-aligned PWM, dead-time control, and emergency shutdown |
| Memory Protection Unit (MPU) | Configurable region-based access control for code/data - enforces task isolation in RTOS environments |
| Real-Time Clock (RTC) | Independent 32.768 kHz clock domain with calendar function - maintains time during deep sleep modes |
| Window Watchdog Timer | Configurable time window prevents premature or delayed resets - critical for fail-safe automotive logic |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) Subsystem |
|---|---|
|
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC actuators in modern passenger vehicles. IC Role / Device Role / Timing Role: Main application MCU executing ASAM-compliant diagnostics, LIN slave communication, and PWM-driven actuator drivers. Use Value: Integrated 10-channel A/D and CCU6x units enable direct connection to potentiometers and motor drivers without external signal conditioning. |
Use Scenario: Torque assist computation and motor phase control in 12 V EPS systems with safety redundancy requirements. IC Role / Device Role / Timing Role: Safety-oriented controller managing dual-loop current control, fault monitoring, and CAN-based steering angle reporting. Use Value: ECC-protected Flash and MPU ensure runtime memory integrity and task isolation per ISO 26262 ASIL-B decomposition. |
| Automotive Gateway Node | Battery Management System (BMS) Monitor |
|
Use Scenario: Protocol translation between CAN, LIN, and UART domains in vehicle network architectures. IC Role / Device Role / Timing Role: MultiCAN-enabled bridge with gateway logic, handling message filtering, routing, and priority arbitration. Use Value: Two independent CAN controllers and 32 message objects allow concurrent handling of chassis and infotainment traffic with minimal latency. |
Use Scenario: Cell voltage and temperature monitoring in 12–48 V lead-acid or Li-ion battery packs for commercial vehicles. IC Role / Device Role / Timing Role: Sensor fusion MCU acquiring analog inputs, performing CRC-checked data logging, and communicating via CAN to host ECU. Use Value: Hardware CRC checker validates Flash-resident calibration tables before each BMS algorithm execution cycle. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16/32-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XC2267M16F80ABXUMA1 | TriCore™ core (not C166), 80 MHz, 512 KB Flash, 64 KB RAM, no CCU6x but includes GTM timing engine | Targets higher-ASIL applications (e.g., ABS/ESP) requiring advanced timing and safety libraries | Select when migrating to TriCore ecosystem with ISO 26262 tool qualification support |
| S32K144HAT0MLHT | ARM Cortex-M4F core, 80 MHz, 512 KB Flash, 64 KB RAM, FlexCAN, no on-chip A/D preprocessing or CCU6x | Designed for scalable automotive MCUs with AUTOSAR compatibility and Ethernet readiness | Select for new designs requiring long-term roadmap support and broad ecosystem tooling |
Compared with XC2267M16F80ABXUMA1 and S32K144HAT0MLHT, the XC2321D20F66VAAKXUMA1 offers C166 binary compatibility, lower-cost integration of motor-control PWM and A/D preprocessing, and proven deployment in cost-sensitive BCMs - making it optimal for legacy platform extensions and volume production where toolchain continuity matters.
Availability
XC2321D20F66VAAKXUMA1 is available at Aetrix Electronics and suitable for automotive body control modules, electric power steering subsystems, and battery management system monitors requiring stable component supply, long-lifecycle availability, and automotive-grade reliability.
Supply support for XC2321D20F66VAAKXUMA1 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.
This device belongs to the XC2000 Family / Econo Line - a cost-optimized series of 16/32-bit microcontrollers designed for entry-level automotive applications such as body electronics and basic powertrain functions, emphasizing functional safety features and C166 software compatibility.
FAQ
What is the maximum operating temperature range for XC2321D20F66VAAKXUMA1?
The XC2321D20F66VAAKXUMA1 is rated for operation from –40 °C to +125 °C (SAK grade), validated per Infineon's automotive qualification standards. This range supports under-hood applications including engine bay-mounted control units and transmission control modules where ambient temperatures exceed 105 °C.
Does XC2321D20F66VAAKXUMA1 support JTAG debugging in production environments?
Yes - the device implements full IEEE 1149.1 JTAG boundary scan and on-chip debug via Device Access Port (DAP). Production programming and post-silicon validation can be performed using standard JTAG adapters without requiring special boot modes or external debug probes beyond those supported by Infineon's DAVE™ and Lauterbach TRACE32 tools.
How is Flash memory protected against corruption during power fluctuations?
XC2321D20F66VAAKXUMA1 uses Error Correction Code (ECC) with single-bit correction and double-bit detection across all 160 KB Flash. During read operations, ECC bits are checked in hardware; uncorrectable errors trigger a Bus Error exception, enabling safe firmware rollback or safe state entry per ISO 26262 requirements.
Can the CCU6x units generate complementary PWM signals with programmable dead time?
Yes - each CCU6 unit provides two complementary PWM channel pairs (e.g., CC60/CC61) with independently configurable dead-time insertion (0–1023 system clock cycles), automatic emergency shutdown on fault inputs, and center-aligned mode for reduced EMI in motor drive applications.
XC2321D20F66VAAKXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-VFQFN Exposed Pad
- Series:
- XC23xxD
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- C166SV2
- Core Size:
- 16/32-Bit
- Speed:
- 66MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 33
- Program Memory Size:
- 160KB (160K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
XC2321D20F66VAAKXUMA1 FAQ
1.How can I place an order for XC2321D20F66VAAKXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for XC2321D20F66VAAKXUMA1 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 XC2321D20F66VAAKXUMA1 reliable?
The price and inventory of XC2321D20F66VAAKXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC2321D20F66VAAKXUMA1 is usually 5 days.
3.What payment methods are accepted for XC2321D20F66VAAKXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC2321D20F66VAAKXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC2321D20F66VAAKXUMA1?
XC2321D20F66VAAKXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC2321D20F66VAAKXUMA1 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 XC2321D20F66VAAKXUMA1?
For technical support, including XC2321D20F66VAAKXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC2321D20F66VAAKXUMA1 requirements.
6.How does Aetrix verify that XC2321D20F66VAAKXUMA1 is sourced from the original manufacturer or authorized distributors?
All XC2321D20F66VAAKXUMA1 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 XC2321D20F66VAAKXUMA1 meets industry standards.
7.What is the process for return or replacement of XC2321D20F66VAAKXUMA1?
All XC2321D20F66VAAKXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with XC2321D20F66VAAKXUMA1, 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 XC2321D20F66VAAKXUMA1 part is unused and in its original packaging.
Return procedure for XC2321D20F66VAAKXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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