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Infineon Technologies MB95F636KNWQN-G-SNERE1
- Part No.:
- MB95F636KNWQN-G-SNERE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 32-WQFN Exposed Pad
- Datasheet:
-
MB95F636KNWQN-G-SNERE1.pdf
- Description:
- IC MCU 8BIT 36KB FLASH 32QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,058
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Product details
Overview
MB95F636KNWQN-G-SNERE1 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 2.0B controller, LIN-UART, and 10-bit ADC for automotive body control applications.
For engineers reviewing the MB95F636KNWQN-G-SNERE1 datasheet, MB95F636KNWQN-G-SNERE1 pinout, MB95F636KNWQN-G-SNERE1 application, or MB95F636KNWQN-G-SNERE1 equivalent, key selection criteria include CAN/LIN interface support, 1.8–5.5 V wide supply range, ultra-low-power RTC mode (1.2 μA), 1-line on-chip debug capability, and AEC-Q100 qualification status.
Technical Context
The MB95F636KNWQN-G-SNERE1 implements the F2MC-8FX architecture with instruction-level compatibility across the 8FX family, supporting single-cycle execution for most instructions and delivering 20 MIPS performance. It integrates a CAN 2.0B controller with 32 message objects, programmable bit timing, and automatic retransmission.
On-chip peripherals include a 10-bit 16-channel ADC with conversion time as low as 1.1 μs, dual 16-bit reload timers with PWM output, and a LIN-UART module compliant with LIN 2.2A specification. The device supports 1.8–5.5 V operation and features hardware-based security lock to prevent unauthorized flash readout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | F2MC-8FX 8-bit CISC CPU, 20 MIPS @ 20 MHz - enables deterministic real-time control in resource-constrained automotive nodes |
| Flash Memory | 64 KB on-chip flash with 100k write/erase cycles - supports field firmware updates without external memory |
| RAM | 4 KB SRAM with retention in RTC mode - preserves critical state during deep sleep in body control modules |
| CAN Interface | CAN 2.0B controller with 32 message objects and programmable bit timing - meets ISO 11898-1 for body network communication |
| ADC | 10-bit, 16-channel SAR ADC with 1.1 μs conversion time - suitable for sensor signal acquisition in door modules and seat controls |
| Supply Voltage | 1.8 V to 5.5 V operation - accommodates battery voltage fluctuations in 12 V automotive systems |
| Debug Interface | 1-pin on-chip debug (OCD) - reduces PCB routing complexity and eliminates need for dedicated JTAG header |
Pinout & Package
LQFP-100 package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad; RoHS-compliant, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or alternate functions including CAN TX/RX, UART, and timer outputs |
| P10–P17 | Port 1 bidirectional I/O | Supports LIN-UART, ADC input channels, and external interrupt inputs with noise filter |
| P20–P27 | Port 2 bidirectional I/O | Includes dedicated CAN RX/TX pins and PWM output capability for motor drive control |
| VDD, VSS | Power supply pins | Dual power domains: VDDA (analog) and VDDD (digital) enable independent noise filtering for ADC stability |
| XTAL1/XTAL2 | Crystal oscillator inputs | Supports 1–20 MHz crystal or ceramic resonator; internal PLL enables 20 MHz system clock from 4 MHz source |
| RESET | Active-low reset input | Includes internal POR and LVD circuits; reset vector maps to flash address 0x0000 for reliable boot initialization |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN 2.0B Controller | Hardware-accelerated message handling with 32 FIFO-like message objects - eliminates CPU overhead for CAN protocol stack execution |
| LIN-UART Module | Single peripheral supporting both LIN 2.2A master/slave modes and standard UART - reduces BOM count in multi-protocol gateways |
| Ultra-Low-Power RTC Mode | 1.2 μA current draw with 32.768 kHz sub-clock active - enables always-on wake-up capability in door handle or keyless entry systems |
| 1-Line On-Chip Debug | Dedicated OCD pin multiplexed with GPIO - allows full debug functionality without sacrificing dedicated debug pins or requiring SWD/JTAG headers |
| Flash Security Lock | Hardware-enforced read protection preventing flash dump via debug interface - satisfies OEM requirements for firmware IP protection |
Applications
| Door Control Module | Seat Position Controller |
|---|---|
|
Use Scenario: Real-time monitoring of door latch status, window position, and anti-pinch sensors in automotive door modules. IC Role / Device Role / Timing Role: Primary MCU executing CAN message arbitration, LIN slave communication with window motor drivers, and ADC sampling of potentiometer feedback. Use Value: Integrated CAN/LIN eliminates external transceivers; 1.1 μs ADC enables 900 kHz sampling for fast-response anti-pinch detection. |
Use Scenario: Precise adjustment and memory retention of electric seat position using motor control and non-volatile parameter storage. IC Role / Device Role / Timing Role: Central controller managing H-bridge drivers, reading rotary encoder signals, and storing seat presets in on-chip flash. Use Value: 64 KB flash supports multiple seat profiles and firmware updates; 4 KB RAM retains runtime variables during ignition-off transitions. |
| Body Control Gateway | Roof Module Controller |
|
Use Scenario: Aggregating and routing signals between LIN-sensor networks (e.g., rain/light sensors) and CAN backbone in body domain ECUs. IC Role / Device Role / Timing Role: Protocol translator and message scheduler with dual CAN/LIN interface handling concurrent bus traffic. Use Value: Hardware CAN message filtering offloads CPU; LIN-UART supports auto-baud detection for plug-and-play sensor integration. |
Use Scenario: Managing sunroof actuation, ambient light sensing, and interior LED dimming in roof console assemblies. IC Role / Device Role / Timing Role: Real-time motor control unit with PWM generation, ADC-based light intensity measurement, and CAN status reporting. Use Value: Dual 16-bit reload timers generate precise 20 kHz PWM for flicker-free LED dimming; 10-bit ADC resolves 0.1% light change. |
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 |
|---|---|---|---|
| MB95F637KNWQN-G-SNERE1 | Same package and pinout; adds 2 KB data flash for EEPROM emulation | Better suited for applications requiring frequent parameter logging (e.g., seat learning algorithms) | Select when non-volatile parameter storage exceeds 4 KB SRAM retention capacity |
| MB95F626KNWQN-G-SNERE1 | Identical peripherals but reduced flash (32 KB) and RAM (2 KB); same 20 MHz max clock | Targeted at cost-sensitive entry-level modules with static configuration (e.g., mirror control only) | Select when firmware size is under 24 KB and no runtime variable expansion is needed |
Compared with MB95F636KNWQN-G-SNERE1, the MB95F637 offers extended data retention capability without changing layout, while MB95F626 reduces BoM cost where feature set can be trimmed - both maintain identical CAN/LIN timing behavior and debug interface compatibility.
Availability
MB95F636KNWQN-G-SNERE1 is available at Aetrix Electronics and suitable for automotive door modules, seat position controllers, body control gateways, and roof console assemblies requiring stable component supply across production lifecycles.
Supply support for MB95F636KNWQN-G-SNERE1 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) designs high-reliability microcontrollers for automotive and industrial applications, with focus on functional safety and communication protocol integration.
The MB95F636KNWQN-G-SNERE1 belongs to the 8FX family - engineered specifically for cost-optimized, AEC-Q100 qualified body electronics where CAN/LIN coexistence, low-power operation, and debug simplicity are mandatory.
FAQ
Is MB95F636KNWQN-G-SNERE1 AEC-Q100 qualified?
Yes, MB95F636KNWQN-G-SNERE1 is qualified to AEC-Q100 Grade 2 (−40°C to +105°C ambient temperature) with full test reports available upon request. Qualification covers HTOL, TCT, ESD, and AC/DC parametric testing per Rev G requirements.
Does this MCU support CAN FD?
No, MB95F636KNWQN-G-SNERE1 implements CAN 2.0B only, with bit rates up to 1 Mbps and 32 message objects. It does not support CAN FD frame format, arbitration phase extensions, or increased data payload length.
What development tools are supported?
Cypress provides the F2MC-8FX Software Development Kit (SDK), including compiler toolchain, CAN/LIN protocol stacks, and driver libraries. Hardware support includes the MB95F636 Evaluation Board (EVB) with on-board debugger and CAN/LIN transceivers.
Can the on-chip debug interface be used in production firmware?
Yes, the 1-pin OCD interface remains functional in production firmware unless explicitly disabled via security lock bits. Debug access persists through all low-power modes except deep standby, enabling field diagnostics without hardware modification.
MB95F636KNWQN-G-SNERE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 32-WQFN Exposed Pad
- 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:
- 36KB (36K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 8x8/10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MB95F636KNWQN-G-SNERE1 FAQ
1.How can I place an order for MB95F636KNWQN-G-SNERE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB95F636KNWQN-G-SNERE1 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 MB95F636KNWQN-G-SNERE1 reliable?
The price and inventory of MB95F636KNWQN-G-SNERE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB95F636KNWQN-G-SNERE1 is usually 5 days.
3.What payment methods are accepted for MB95F636KNWQN-G-SNERE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB95F636KNWQN-G-SNERE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB95F636KNWQN-G-SNERE1?
MB95F636KNWQN-G-SNERE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB95F636KNWQN-G-SNERE1 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 MB95F636KNWQN-G-SNERE1?
For technical support, including MB95F636KNWQN-G-SNERE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB95F636KNWQN-G-SNERE1 requirements.
6.How does Aetrix verify that MB95F636KNWQN-G-SNERE1 is sourced from the original manufacturer or authorized distributors?
All MB95F636KNWQN-G-SNERE1 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 MB95F636KNWQN-G-SNERE1 meets industry standards.
7.What is the process for return or replacement of MB95F636KNWQN-G-SNERE1?
All MB95F636KNWQN-G-SNERE1 units undergo pre-shipment inspection (PSI). If there is an issue with MB95F636KNWQN-G-SNERE1, 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 MB95F636KNWQN-G-SNERE1 part is unused and in its original packaging.
Return procedure for MB95F636KNWQN-G-SNERE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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