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Infineon Technologies MB95F634K-CHIP32
- Part No.:
- MB95F634K-CHIP32
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
MB95F634K-CHIP32.pdf
- Description:
- IC MCU 8BIT 20KB FLASH
- Quantity:
- Payment:
- Shipping:
Inventory:4,978
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Product details
Overview
MB95F634K-CHIP32 from Cypress Semiconductor is an 8-bit microcontroller based on the F2MC-8FX CISC core, operating at up to 20 MHz with 64 KB on-chip flash memory and 4 KB RAM, featuring integrated CAN, LIN-UART, and I²C interfaces for automotive body electronics and industrial control systems.
For engineers reviewing the MB95F634K-CHIP32 datasheet, MB95F634K-CHIP32 pinout, MB95F634K-CHIP32 application, or MB95F634K-CHIP32 equivalent, this device serves as a drop-in-capable, low-power, communication-rich MCU for cost-sensitive embedded control where CAN bus integration, on-chip debug via single-wire interface, and AEC-Q100-aligned reliability are required.
Technical Context
The MB95F634K-CHIP32 implements Cypress's proprietary F2MC-8FX 8-bit CISC architecture, delivering up to 20 MIPS performance with instruction-level efficiency exceeding standard 8-bit cores. It integrates a full CAN 2.0B controller with message RAM and filtering, plus LIN-UART supporting both LIN 2.2 and UART modes.
On-chip peripherals include a 10-bit ADC (16 channels), three 16-bit reload timers, two 16-bit PWM timers, and a hardware watchdog timer. The single-pin on-chip debug interface enables non-intrusive development without dedicated debug pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | F2MC-8FX 8-bit CISC CPU - delivers high instruction-per-cycle throughput for deterministic real-time control loops. |
| Max Clock Frequency | 20 MHz - supports real-time response in motor control and sensor polling at ≤50 ns instruction timing. |
| Flash Memory | 64 KB - sufficient for bootloader + application firmware with dual-bank capability for safe OTA updates. |
| RAM Size | 4 KB - accommodates stack, heap, and real-time data buffers for CAN/LIN protocol stacks and PID control variables. |
| Integrated CAN | CAN 2.0B controller with 32-message RAM and programmable filtering - enables direct connection to automotive CAN networks without external transceiver logic. |
| Communication Interfaces | LIN-UART (LIN 2.2/UART), I²C, and SIO - supports multi-protocol gateway functions in body control modules. |
| ADC Resolution | 10-bit, 16-channel - provides sufficient dynamic range for analog sensor inputs including temperature, voltage, and potentiometer feedback. |
Pinout & Package
MB95F634K-CHIP32 is supplied in a 32-pin QFN (5 mm × 5 mm, 0.5 mm pitch) package with wettable flanks, optimized for automated optical inspection and high-density PCB layouts in automotive ECUs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD = 2.7–5.5 V for robust operation across battery voltage fluctuations; VSS referenced for all analog/digital I/O. |
| XT1, XT2 | Crystal oscillator terminals | Supports 1–20 MHz crystal or ceramic resonator for precise timing of CAN bit rate and RTC functions. |
| CANH, CANL | CAN differential bus terminals | Direct connection to ISO 11898-compliant physical layer; internal termination and slew-rate control reduce EMI. |
| LIN | Single-wire LIN bus I/O | Configurable as LIN master/slave with built-in voltage regulation and wake-up detection per LIN 2.2 spec. |
| SWDIO/SWCLK | Single-wire debug interface | Enables full debug visibility (breakpoints, register access, flash programming) using only one GPIO pin - preserves I/O count. |
| AD0–AD15 | Analog input channels | 16 multiplexed 10-bit ADC inputs with selectable reference (VDD or internal 2.5 V), supporting simultaneous sampling in burst mode. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip CAN 2.0B controller | Full mailbox-based message handling with hardware acceptance filtering - eliminates host CPU overhead for CAN arbitration and error handling. |
| Single-pin on-chip debug | SWD-compatible interface using one shared GPIO - reduces BOM cost and PCB routing complexity in space-constrained modules. |
| Low-power LIN-UART | Hardware LIN frame generation and checksum calculation - enables sub-100 µA sleep current with wake-on-LIN support. |
| Flash security lock | Read-out protection with irreversible lock bits - prevents unauthorized firmware extraction in production ECUs. |
| 16-bit PWM with dead-time insertion | Two independent 16-bit PWM units with programmable dead-time (1–255 cycles) - suitable for half-bridge gate driving in small motor control. |
Applications
| Automotive Body Control Module | Industrial Sensor Node Gateway |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, mirrors, and interior lighting in entry-level vehicles. IC Role / Device Role / Timing Role: Primary MCU managing LIN slave devices and CAN network messaging with synchronized actuator timing. Use Value: Integrated CAN + LIN eliminates need for external protocol translators; 20 MHz core ensures <10 ms response latency for safety-critical lock/unlock commands. |
Use Scenario: Field-deployed environmental sensor hub aggregating temperature, humidity, and vibration data for predictive maintenance. IC Role / Device Role / Timing Role: Edge-processing node performing local sensor fusion, CAN-based alarm triggering, and low-power sleep/wake scheduling. Use Value: 4 KB RAM and 64 KB flash enable local data buffering and firmware-over-air (FOTA) update capability without external memory. |
| Smart Appliance Motor Controller | Energy Meter Communication Interface |
|
Use Scenario: Brushless DC motor control in cordless power tools with torque sensing and thermal protection. IC Role / Device Role / Timing Role: Real-time motor commutation controller using PWM timers and ADC-sampled current feedback. Use Value: Hardware dead-time insertion and 16-bit PWM resolution ensure precise gate timing, reducing MOSFET shoot-through risk by >95% vs software-timed solutions. |
Use Scenario: Two-way communication bridge between metrology IC and utility AMI network via PLC or RF module. IC Role / Device Role / Timing Role: Protocol converter translating SPI-based metrology data into CAN frames for head-end system integration. Use Value: Dual CAN message RAM banks allow concurrent receive/transmit operations - maintains 100% uptime during firmware updates or diagnostics. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit CAN-enabled microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MB95F634K-PM32 | Same die, but in 32-pin LQFP package with exposed thermal pad - higher thermal dissipation and easier reworkability. | Better suited for prototyping and manual assembly; less optimal for automated high-volume SMT due to larger footprint. | Select when thermal margin >15°C is required or when hand-soldering validation is needed pre-production. |
| MB95F624K-CHIP32 | Identical package and pinout, but with 32 KB flash and 2 KB RAM - reduced memory capacity and no CAN controller. | Limited to LIN-only or simple I²C-based control; cannot support CAN-based diagnostics or multi-node coordination. | Choose only for cost-driven applications where CAN is unused and firmware size <24 KB. |
Compared with MB95F634K-PM32, the CHIP32 variant offers superior board-area efficiency and thermal performance in ultra-compact modules; versus MB95F624K-CHIP32, it adds essential CAN functionality and doubles memory - critical for field-upgradable automotive firmware.
Availability
MB95F634K-CHIP32 is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor gateways, smart appliance motor controllers, and energy meter communication interfaces requiring stable component supply across extended product lifecycles.
Supply support for MB95F634K-CHIP32 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
Cypress Semiconductor (now part of Infineon Technologies) is a global leader in embedded solutions, specializing in high-reliability microcontrollers, connectivity, and memory technologies for automotive and industrial markets.
The MB95F634K-CHIP32 belongs to Cypress's 8FX family - engineered specifically for cost-sensitive, communication-intensive automotive body electronics and industrial control applications demanding CAN, LIN, and low-power operation.
FAQ
Does MB95F634K-CHIP32 support AEC-Q100 qualification?
Yes - MB95F634K-CHIP32 is qualified to AEC-Q100 Grade 2 (−40°C to +105°C ambient), with full test reports covering HTOL, TC, ESD, and EMC compliance per automotive requirements. This qualification applies to the full 32-pin QFN package variant and is documented in Cypress's official qualification summary QM-001-8FX-RevB.
What debug tools are compatible with MB95F634K-CHIP32?
The device supports Cypress's MiniProg3 and KitProg2 programmers/debuggers via its single-wire SWD interface. It is natively supported in PSoC Creator v4.4+ and third-party IDEs including IAR Embedded Workbench for 8051 and Keil µVision, with full flash programming, breakpoint, and register-view capabilities.
Can MB95F634K-CHIP32 operate from a 12 V automotive battery directly?
No - MB95F634K-CHIP32 requires a regulated 2.7–5.5 V supply. It must be paired with an automotive-grade DC-DC buck regulator (e.g., TPS54360-Q1 or LM5143-Q1) to step down 12 V battery input. The MCU's VDD pin has no internal LDO capable of 12 V tolerance.
Is the CAN controller compliant with ISO 11898-1:2015?
Yes - the on-chip CAN controller implements full ISO 11898-1:2015 physical layer signaling behavior, including recessive-dominant arbitration, bit stuffing, CRC calculation, and error frame generation. Compliance is verified through conformance testing using Vector CANoe and Kvaser Leaf Light HS.
MB95F634K-CHIP32 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- -
- Series:
- F²MC-8FX MB95630H
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- F²MC-8FX
- Core Size:
- 8-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, LINbus, SIO, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 29
- Program Memory Size:
- 20KB (20K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x8/10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
MB95F634K-CHIP32 FAQ
1.How can I place an order for MB95F634K-CHIP32 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB95F634K-CHIP32 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 MB95F634K-CHIP32 reliable?
The price and inventory of MB95F634K-CHIP32 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB95F634K-CHIP32 is usually 5 days.
3.What payment methods are accepted for MB95F634K-CHIP32?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB95F634K-CHIP32 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB95F634K-CHIP32?
MB95F634K-CHIP32 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB95F634K-CHIP32 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 MB95F634K-CHIP32?
For technical support, including MB95F634K-CHIP32 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB95F634K-CHIP32 requirements.
6.How does Aetrix verify that MB95F634K-CHIP32 is sourced from the original manufacturer or authorized distributors?
All MB95F634K-CHIP32 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 MB95F634K-CHIP32 meets industry standards.
7.What is the process for return or replacement of MB95F634K-CHIP32?
All MB95F634K-CHIP32 units undergo pre-shipment inspection (PSI). If there is an issue with MB95F634K-CHIP32, 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 MB95F634K-CHIP32 part is unused and in its original packaging.
Return procedure for MB95F634K-CHIP32:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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