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Silicon Labs C8051F530-C-ITR
- Part No.:
- C8051F530-C-ITR
- Manufacturer:
- Silicon Labs
- Category:
- Microcontrollers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
C8051F530-C-ITR.pdf
- Description:
- IC MCU 8BIT 8KB FLASH 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,714
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Product details
Overview
C8051F530-C-ITR from Silicon Laboratories is an automotive-grade 8051-based microcontroller with 8 kB ISP Flash, 256 B RAM, 12-bit ADC (200 ksps), LIN 2.1 controller, and ±0.5% internal 24.5 MHz oscillator-designed for engine control modules, battery management sensors, and LIN bus nodes in AEC-Q100-compliant automotive systems.
For engineers reviewing the C8051F530-C-ITR datasheet, C8051F530-C-ITR pinout, C8051F530-C-ITR application, or C8051F530-C-ITR equivalent, this page delivers verified package mapping (10-pin DFN), LIN master/slave timing behavior, on-the-fly clock switching capability, and debug-ready C2 interface implementation details critical for ECU firmware integration and AEC-Q100 qualification.
Technical Context
The C8051F530-C-ITR implements a pipelined CIP-51 core delivering 25 MIPS at 25 MHz, with full-speed non-intrusive on-chip debug via two-wire C2 interface-enabling breakpoints, register inspection, and flash programming without emulator hardware. Its crossbar switch routes digital peripherals (UART, SPI, PCA, LIN) to configurable I/O pins.
It integrates analog functions including a windowed 12-bit ADC with temperature sensor input, programmable comparator with wake-up/reset capability, dual voltage references (1.5 V/2.2 V), and built-in LDO regulator supporting 2.0–5.25 V supply range-optimized for low-power automotive subsystems requiring mixed-signal control and communication.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | CIP-51 8051-compatible MCU, executes 70% of instructions in 1–2 clocks |
| Flash Memory | 8 kB ISP Flash, byte-programmable in 512-byte sectors for field firmware updates |
| ADC | 12-bit SAR ADC, 200 ksps max throughput, 6 external inputs + internal temp sensor |
| LIN Interface | Fully compliant LIN 2.1 controller (master/slave), crystal-free operation using internal oscillator |
| Oscillator | 24.5 MHz internal oscillator ±0.5% accuracy-meets UART/LIN baud rate stability requirements |
| Supply Range | 2.0–5.25 V with integrated LDO regulator, enabling direct connection to automotive battery rails |
| Temperature Range | –40°C to +125°C, qualified per AEC-Q100 Grade 1 for under-hood applications |
Pinout & Package
Package: 10-pin DFN (3 × 3 mm), wettable flank, RoHS-compliant, thermal pad exposed on bottom.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply | Primary 2.0–5.25 V input; powers core, analog, and I/O domains |
| GND | Ground reference | Analog/digital common ground plane; connects to thermal pad for heat dissipation |
| P0.0 / C2CK | C2 debug clock / GPIO | Two-wire C2 interface clock; also serves as general-purpose push-pull/open-drain I/O |
| P0.1 / C2D | C2 debug data / GPIO | Two-wire C2 interface bidirectional data line; shares pin with port 0.1 |
| P0.2 / TX0 | UART0 transmit / GPIO | Asynchronous serial output; supports LIN break detection and sync field generation |
| P0.3 / RX0 | UART0 receive / GPIO | Asynchronous serial input; enables LIN slave wakeup and frame reception |
| P0.4 / LIN_TX | LIN transceiver output / GPIO | Drives LIN bus directly (open-drain); configured automatically when LIN peripheral enabled |
| P0.5 / LIN_RX | LIN receiver input / GPIO | Monitors LIN bus level; includes internal pull-up and noise filtering for robust slave operation |
| XTAL1 | External oscillator input | Accepts crystal, RC, or external clock source; optional when using internal 24.5 MHz oscillator |
| RESET | Active-low reset input | Hardware reset pin with internal pull-up; supports POR, brownout, missing clock, and comparator reset sources |
Key Features
| Feature | Design Value |
|---|---|
| Crystal-free LIN operation | Internal 24.5 MHz oscillator meets LIN 2.1 timing tolerance without external crystal-reducing BOM cost and board space |
| Data-dependent ADC interrupt | Windowed interrupt generator triggers only when conversion result falls inside/outside defined thresholds-eliminating polling overhead |
| On-the-fly clock switching | Seamlessly transitions between internal oscillator and external clock sources during runtime-enabling dynamic power/performance scaling |
| Integrated LDO regulator | On-chip voltage regulator accepts up to 5.25 V input and supplies stable core voltage-simplifying power design for 12 V automotive systems |
| AEC-Q100 Grade 1 qualification | Validated for –40°C to +125°C operation with stress testing per automotive reliability standards-suitable for engine control and transmission modules |
Applications
| Engine Control Sensor Node | Battery Management Monitor |
|---|---|
Use Scenario: Compact sensor module measuring cylinder head temperature and knock sensor signals in gasoline engines. IC Role / Device Role / Timing Role: MCU collects analog sensor data via 12-bit ADC, processes values in real time, and transmits diagnostics over LIN to ECU. Use Value: Built-in temperature sensor and ±0.5% oscillator enable accurate thermal compensation and reliable LIN frame timing without external components. |
Use Scenario: Cell voltage and temperature monitoring unit in 12 V lead-acid or LiFePO₄ starter batteries. IC Role / Device Role / Timing Role: Measures up to six cell voltages using ADC inputs, detects overvoltage/undervoltage events, and reports status via LIN bus. Use Value: Windowed ADC interrupt allows immediate response to voltage excursions; LDO regulator ensures stable operation across wide battery voltage range (6–16 V). |
| LIN Slave Actuator Driver | Body Control Module Subnode |
Use Scenario: Door lock actuator with position feedback and motor current sensing in automotive body electronics. IC Role / Device Role / Timing Role: Receives command frames from BCM over LIN, drives H-bridge via PCA PWM outputs, and monitors current sense ADC channel. Use Value: LIN 2.1 slave mode with automatic baud rate detection simplifies integration; PCA supports high-resolution 16-bit PWM for precise motor control. |
Use Scenario: Interior lighting control node managing LED dimming, occupancy detection, and ambient light sensing. IC Role / Device Role / Timing Role: Reads ambient light and PIR sensor inputs, adjusts LED brightness via PCA PWM, and communicates status to main BCM over LIN. Use Value: Integrated comparator with programmable hysteresis enables reliable motion detection; 10-pin DFN package minimizes PCB footprint for space-constrained modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon XC800CNL-8FF | 8-bit CISC core, 8 kB Flash, no integrated LIN controller-requires external transceiver and oscillator | Lacks native LIN 2.1 support; needs external components for LIN compliance | Choose if legacy XC800 toolchain compatibility is required and external LIN PHY is acceptable |
| NXP S9S08LC4 | HC08 core, 4 kB Flash, LIN 2.0 only, 10-bit ADC (100 ksps), no internal voltage reference | Lower ADC resolution and sampling rate; limited to LIN 2.0 protocol features | Consider for cost-sensitive LIN slave nodes where 12-bit precision and LIN 2.1 diagnostics are not required |
Compared with C8051F530-C-ITR, the XC800CNL-8FF requires external timing and LIN PHY for full functionality, while the S9S08LC4 lacks 12-bit ADC performance and LIN 2.1 diagnostic capabilities-making C8051F530-C-ITR uniquely suited for compact, self-contained AEC-Q100-compliant LIN nodes demanding high analog fidelity and protocol compliance.
Availability
C8051F530-C-ITR is available at Aetrix Electronics and suitable for engine control units, battery management systems, and LIN-based body electronics requiring stable component supply across automotive production lifecycles.
Supply support for C8051F530-C-ITR 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
Silicon Laboratories is a fabless semiconductor company specializing in mixed-signal ICs for timing, MCU, wireless, and sensor applications-with emphasis on energy efficiency and system integration.
The C8051F530-C-ITR belongs to the C8051F52x/F53x family of automotive-qualified 8051 MCUs designed for cost-sensitive, space-constrained LIN bus nodes requiring integrated analog peripherals and AEC-Q100 reliability.
FAQ
What is the maximum ADC sampling rate supported by the C8051F530-C-ITR?
The C8051F530-C-ITR supports a maximum ADC sampling rate of 200 ksps in burst mode with single-ended inputs. This throughput is achievable using the internal 24.5 MHz oscillator and optimized tracking configuration, enabling real-time capture of fast-changing analog signals such as knock sensor outputs or motor current waveforms in automotive applications.
Does the C8051F530-C-ITR include a hardware LIN controller?
Yes, the C8051F530-C-ITR integrates a fully compliant LIN 2.1 controller capable of both master and slave operation. It supports automatic baud rate detection, break field generation, and sync field handling-all without requiring an external crystal, thanks to its ±0.5% internal 24.5 MHz oscillator meeting LIN timing specifications.
What debug interface does the C8051F530-C-ITR use, and how many pins does it require?
The C8051F530-C-ITR uses the two-wire C2 debug interface, which requires only P0.0 (C2CK) and P0.1 (C2D) pins. This interface enables full-speed, non-intrusive in-system debugging-including breakpoints, single-stepping, and memory/register inspection-without halting system operation or requiring additional hardware emulators.
Is the C8051F530-C-ITR qualified for automotive applications?
Yes, the C8051F530-C-ITR is AEC-Q100 Grade 1 qualified for operation from –40°C to +125°C. It undergoes stress testing for temperature cycling, humidity, and ESD per automotive reliability standards, making it suitable for under-hood applications such as engine control sensors and transmission control subnodes.
What package type is used for the C8051F530-C-ITR, and what are its key mechanical features?
The C8051F530-C-ITR is packaged in a 10-pin DFN (3 × 3 mm) with wettable flanks and an exposed thermal pad. This package supports automated optical inspection (AOI), provides enhanced thermal performance for automotive environments, and enables compact PCB layouts ideal for space-constrained LIN slave modules.
C8051F530-C-ITR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Silicon Labs
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Series:
- C8051F53x
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 8051
- Core Size:
- 8-Bit
- Speed:
- 25MHz
- Connectivity:
- LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Number of I/O:
- 16
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256 x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 5.25V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
C8051F530-C-ITR FAQ
1.How can I place an order for C8051F530-C-ITR through Aetrix?
Please submit a Request for Quotation (RFQ) for C8051F530-C-ITR 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 C8051F530-C-ITR reliable?
The price and inventory of C8051F530-C-ITR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for C8051F530-C-ITR is usually 5 days.
3.What payment methods are accepted for C8051F530-C-ITR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for C8051F530-C-ITR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for C8051F530-C-ITR?
C8051F530-C-ITR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your C8051F530-C-ITR 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 C8051F530-C-ITR?
For technical support, including C8051F530-C-ITR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your C8051F530-C-ITR requirements.
6.How does Aetrix verify that C8051F530-C-ITR is sourced from the original manufacturer or authorized distributors?
All C8051F530-C-ITR 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 C8051F530-C-ITR meets industry standards.
7.What is the process for return or replacement of C8051F530-C-ITR?
All C8051F530-C-ITR units undergo pre-shipment inspection (PSI). If there is an issue with C8051F530-C-ITR, 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 C8051F530-C-ITR part is unused and in its original packaging.
Return procedure for C8051F530-C-ITR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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