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Infineon Technologies F505CALMCAXP
- Part No.:
- F505CALMCAXP
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 44-QFP
- Datasheet:
-
F505CALMCAXP.pdf
- Description:
- IC MCU 8BIT ROMLESS 44MQFP
- Quantity:
- Payment:
- Shipping:
Inventory:496
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Product details
Overview
F505CALMCAXP from Infineon Technologies is an 8-bit single-chip microcontroller in the C500 family, fully compatible with the 8051 architecture and featuring a 10-bit ADC, 1 KB on-chip XRAM, 32 KB mask-ROM, Full-CAN 2.0B controller, and 32 + 2 digital I/O lines. It operates up to 20 MHz (300 ns instruction cycle) and targets automotive body control modules requiring integrated CAN communication and analog sensing.
For engineers reviewing the F505CALMCAXP datasheet, F505CALMCAXP pinout, F505CALMCAXP application, or F505CALMCAXP equivalent, key selection criteria include CAN 2.0B compliance at 1 MBaud, 10-bit A/D conversion across 8 channels, 4 priority-level interrupt system, and P-MQFP-44 package compatibility with legacy C501/C511 designs.
Technical Context
The F505CALMCAXP implements a superset of the 8051 core with eight datapointers and enhanced emulation support via Infineon's Enhanced Hooks Technology™. Its CAN module includes 256 bytes of dedicated register/data memory mapped into external data space and supports internal clock prescaling for CAN operation above 10 MHz input frequency.
It integrates three 16-bit timers (Timer 0/1 C501-compatible, Timer 2 with four capture/compare channels), a programmable 15-bit watchdog timer, oscillator watchdog, and multiple power-saving modes - including software power-down with wake-up via P3.2/INT0 or P4.1/RXDC - enabling robust real-time control in electrically noisy environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 8051-compatible 8-bit CPU with 8 datapointers; enables efficient pointer-based data movement in sensor fusion or CAN message buffering. |
| Max Operating Frequency | 20 MHz; delivers 300 ns instruction cycle time for deterministic real-time response in body control timing-critical tasks. |
| On-chip Memory | 32 KB mask-ROM + 1 KB XRAM; eliminates need for external program memory and supports complex CAN protocol stacks and calibration tables. |
| A/D Converter | 10-bit resolution, 8-channel input; provides sufficient dynamic range for accurate battery voltage, temperature, and potentiometer monitoring. |
| CAN Interface | Full-CAN 2.0B compliant, 1 MBaud max baudrate; supports full mailbox management and error handling required for automotive network interoperability. |
| Digital I/O | 32 + 2 lines across five ports (P0–P4), with P1 supporting mixed analog/digital use; enables direct connection to switches, LEDs, and sensors without glue logic. |
| Power Modes | Software power-down with wake-up on INT0 or RXDC; reduces quiescent current during sleep while preserving CAN bus listen capability. |
Pinout & Package
P-MQFP-44 (Plastic Metric Quad Flat Package, 44-pin, 10 mm × 10 mm, 0.8 mm pitch) with thermal pad; RoHS-compliant lead-free finish per Infineon specification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| XTAL1 / XTAL2 | Crystal oscillator inputs | Supports external crystal (1–20 MHz) or ceramic resonator; internal oscillator circuit enables stable clock source for CAN timing accuracy. |
| RESET | Active-low reset input | Asynchronous reset with built-in power-on reset circuitry; ensures reliable initialization after supply stabilization. |
| EA | External access enable | Low = execute from external memory; high = execute from on-chip ROM; fixed high for mask-ROM variants like F505CALMCAXP. |
| ALE / PSEN | Address latch enable / program store enable | Control signals for external memory interfacing; unused when operating solely from on-chip ROM but retained for pin compatibility. |
| VAREF / VAGND | Analog reference and ground | Separate analog supply pins reduce noise coupling into 10-bit ADC; supports ratiometric or absolute voltage reference configurations. |
| P3.2 / INT0 | Interrupt 0 input | Dedicated wake-up source from power-down mode; used for emergency switch detection or CAN bus activity trigger. |
| P4.1 / RXDC | CAN receive data input | Direct CAN physical layer input; enables wake-up on valid CAN frame reception without CPU intervention. |
Key Features
| Feature | Design Value |
|---|---|
| Enhanced Hooks Technology™ | On-chip emulation logic enables non-intrusive debugging and real-time trace without ICE hardware, reducing development cycle time for CAN firmware validation. |
| Full-CAN 2.0B Module | Hardware-managed message objects (256-byte RAM), automatic ID filtering, and error confinement - critical for fault-tolerant automotive networks. |
| 10-bit A/D Converter | 8-channel simultaneous sampling support with configurable acquisition time; meets ASAM MCD-2 MC requirements for ECU calibration interfaces. |
| Four Priority-Level Interrupt System | Enables deterministic latency handling for CAN TX/RX, timer overflows, and external events - essential for ISO 11898-1 compliant stack implementation. |
| Slow-down & Idle Power Modes | Reduces current draw by >70% vs. active mode while retaining RAM content and peripheral clocks; extends battery life in always-on vehicle modules. |
Applications
| Body Control Module (BCM) | Door Control Unit (DCU) |
|---|---|
Use Scenario: Centralized management of lighting, window lifts, mirror adjustment, and door lock actuators in modern vehicles. IC Role / Device Role / Timing Role: Primary CAN node coordinating distributed functions via ISO 11898-1; executes real-time PWM for motor drivers and samples analog sensor feedback. Use Value: Integrated 10-bit ADC and Full-CAN eliminate external transceivers and signal conditioners, reducing BOM count and PCB area by ~12%. | Use Scenario: Local control of power windows, central locking, and anti-pinch safety logic in vehicle doors. IC Role / Device Role / Timing Role: CAN slave node with wake-on-CAN capability; uses P4.1/RXDC to resume from power-down upon master command. Use Value: Software power-down mode draws <5 µA, meeting OEM requirements for zero-current standby during vehicle park mode. |
| Roof Module Controller | Seat Position Memory Unit |
Use Scenario: Control of sunroof actuation, ambient lighting dimming, and rain sensor interface in roof console assemblies. IC Role / Device Role / Timing Role: Mixed-signal controller managing analog light sensor input, PWM-driven LED strings, and CAN status reporting. Use Value: On-chip 1 KB XRAM stores seat position profiles and lighting calibration curves, avoiding external EEPROM and associated I²C overhead. | Use Scenario: Storing and recalling driver seat position settings using potentiometer feedback and motor control outputs. IC Role / Device Role / Timing Role: Standalone non-volatile storage node using mask-ROM firmware and internal XRAM for profile retention during ignition cycles. Use Value: 32 KB ROM accommodates multi-language UI logic and EEPROM-emulation algorithms, eliminating discrete non-volatile memory chip. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit CAN microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAB80C537-LM | 8-bit 8051 core, 16 KB ROM, no on-chip CAN; requires external CAN controller (e.g., PCA82C250 + SJA1000) | Lacks integrated CAN; increases component count and board space; suitable only where CAN usage is infrequent or low-bandwidth | Select only if legacy design reuse mandates identical pinout and minimal firmware changes, accepting added complexity. |
| XC886CLM-8FF | Infineon XC800 family, 16-bit C166-derived core, 64 KB flash, integrated CAN, 10-bit ADC, but different instruction set and memory map | Higher performance and flash flexibility, but requires full firmware porting; not drop-in compatible | Choose for new designs needing field-upgradable firmware and higher throughput, accepting requalification effort. |
Compared with SAB80C537-LM and XC886CLM-8FF, F505CALMCAXP uniquely balances mature 8051 toolchain support, integrated Full-CAN 2.0B, and mask-ROM cost efficiency - making it optimal for high-volume, cost-sensitive automotive modules where firmware stability and CAN interoperability are primary concerns.
Availability
F505CALMCAXP is available at Aetrix Electronics and suitable for body control modules, door control units, roof console controllers, and seat memory systems requiring stable component supply across extended automotive temperature ranges (–40 °C to +125 °C).
Supply support for F505CALMCAXP 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 security solutions, with global R&D and manufacturing infrastructure.
F505CALMCAXP belongs to the C500 microcontroller family, designed specifically for cost-effective, CAN-enabled automotive body electronics where 8051 compatibility, analog integration, and long-term supply stability are critical.
FAQ
What is the maximum CAN baud rate supported by F505CALMCAXP?
F505CALMCAXP supports up to 1 MBaud on its integrated Full-CAN 2.0B controller when the device operates at ≥8 MHz. At 20 MHz system clock, internal prescaling ensures accurate bit timing alignment per ISO 11898-1, with no external clock dividers required.
Does F505CALMCAXP include on-chip debug capability?
Yes - it features Infineon's Enhanced Hooks Technology™, providing on-chip emulation support for non-intrusive breakpoint setting, real-time variable monitoring, and trace without external JTAG adapters. This is implemented in hardware and does not consume user RAM or flash.
Is external memory required to run firmware on F505CALMCAXP?
No - F505CALMCAXP contains 32 KB of mask-programmed ROM and 1 KB of on-chip XRAM, sufficient to host complete CAN application firmware, protocol stacks, and calibration data. EA pin is internally tied high, disabling external program memory access.
What temperature grades are available for F505CALMCAXP?
F505CALMCAXP is specified for the SAK temperature grade: –40 °C to +125 °C ambient operating range, qualified per AEC-Q100 Grade 1 requirements. This makes it suitable for under-hood and interior automotive locations subject to extreme thermal cycling.
F505CALMCAXP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 44-QFP
- Series:
- C5xx/C8xx
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- C500
- Core Size:
- 8-Bit
- Speed:
- 20MHz
- Connectivity:
- CANbus, EBI/EMI, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 34
- Program Memory Size:
- -
- Program Memory Type:
- ROMless
- EEPROM Size:
- -
- RAM Size:
- 1.25K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.25V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
F505CALMCAXP FAQ
1.How can I place an order for F505CALMCAXP through Aetrix?
Please submit a Request for Quotation (RFQ) for F505CALMCAXP 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 F505CALMCAXP reliable?
The price and inventory of F505CALMCAXP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for F505CALMCAXP is usually 5 days.
3.What payment methods are accepted for F505CALMCAXP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for F505CALMCAXP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for F505CALMCAXP?
F505CALMCAXP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your F505CALMCAXP 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 F505CALMCAXP?
For technical support, including F505CALMCAXP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your F505CALMCAXP requirements.
6.How does Aetrix verify that F505CALMCAXP is sourced from the original manufacturer or authorized distributors?
All F505CALMCAXP 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 F505CALMCAXP meets industry standards.
7.What is the process for return or replacement of F505CALMCAXP?
All F505CALMCAXP units undergo pre-shipment inspection (PSI). If there is an issue with F505CALMCAXP, 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 F505CALMCAXP part is unused and in its original packaging.
Return procedure for F505CALMCAXP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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