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Infineon Technologies MB95F634KNWQN-G-SNE1
- Part No.:
- MB95F634KNWQN-G-SNE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 32-WQFN Exposed Pad
- Datasheet:
-
MB95F634KNWQN-G-SNE1.pdf
- Description:
- IC MCU 8BIT 20KB FLASH 32QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,210
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Product details
Overview
MB95F634KNWQN-G-SNE1 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 (16-channel), deployed in automotive body control modules and industrial sensor nodes.
For engineers reviewing the MB95F634KNWQN-G-SNE1 datasheet, MB95F634KNWQN-G-SNE1 pinout, MB95F634KNWQN-G-SNE1 application, or MB95F634KNWQN-G-SNE1 equivalent, key selection criteria include CAN/LIN interface coexistence, 1.8–5.5 V wide supply range, on-chip debug via single-wire interface, and AEC-Q100 qualification for under-hood use.
Technical Context
The MB95F634KNWQN-G-SNE1 implements the F2MC-8FX 8-bit CISC architecture with instruction-per-cycle efficiency exceeding standard 8-bit MCUs, supporting real-time deterministic execution in safety-critical automotive subsystems. It integrates a dedicated CAN 2.0B controller with message RAM and automatic retransmission, alongside a LIN-UART peripheral compliant with LIN 2.2A and SAE J2602.
On-chip analog resources include a 10-bit successive-approximation ADC with hardware-triggered sampling synchronized to timer events, and a programmable low-voltage detection circuit with four threshold levels. The single-pin on-chip debug interface enables non-intrusive firmware validation without consuming dedicated debug pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | F2MC-8FX 8-bit CISC CPU with 1.25 DMIPS/MHz performance |
| Max Clock Frequency | 20 MHz - enables real-time response ≤50 ns per instruction cycle |
| Flash Memory | 64 KB - supports dual-bank operation for safe firmware updates |
| RAM Size | 4 KB - sufficient for CAN message buffers, LIN frame stacks, and sensor data processing |
| ADC Resolution & Channels | 10-bit / 16-channel - provides 1 mV resolution at 3.3 V reference for precision sensor interfacing |
| CAN Interface | CAN 2.0B compliant with 32 message objects and hardware ID filtering |
| LIN Interface | LIN-UART supporting master/slave mode, auto-baud detection, and checksum generation |
| Supply Voltage Range | 1.8 V to 5.5 V - ensures compatibility with 12 V automotive battery systems with transient suppression |
Pinout & Package
LQFP-100 package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad; RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or CAN TX/RX alternate function |
| P10–P17 | Port 1 bidirectional I/O | Supports LIN-UART TX/RX, external interrupt inputs, and ADC input channels |
| P20–P27 | Port 2 bidirectional I/O | Includes crystal oscillator connections (XIN/XOUT) and reset input (RES) |
| VDD, VSS | Power supply pins | Dual VDD/VSS pairs per side reduce ground bounce in high-speed switching |
| AVDD, AVSS | Analog power supply | Independent analog domain improves ADC SNR by isolating digital noise |
| CLKIN | External clock input | Accepts 1–20 MHz crystal or CMOS clock for precise timing control |
Key Features
| Feature | Design Value |
|---|---|
| Single-wire on-chip debug | Uses only P00 pin for full firmware download, breakpoint, and register inspection - preserves all other I/O for application use |
| CAN 2.0B controller | Hardware message RAM (32 objects), automatic retransmission, and bus-off recovery without CPU intervention |
| LIN 2.2A compliance | Integrated LIN protocol engine handles header generation, checksum calculation, and slave node response timing |
| Low-voltage detection | Four programmable thresholds (1.6 V, 2.3 V, 2.7 V, 3.3 V) with interrupt and reset output options |
| AEC-Q100 Grade 2 | Qualified for operation from −40 °C to +105 °C ambient - validated for engine bay and chassis-mounted applications |
Applications
| Automotive Door Module | Industrial Motor Control Node |
|---|---|
|
Use Scenario: Centralized control of power windows, locks, mirrors, and interior lighting in modern vehicle door assemblies. IC Role / Device Role / Timing Role: Primary MCU managing LIN slave communication with body control unit and local CAN messaging for diagnostics. Use Value: Single-chip integration of LIN master, CAN node, and 16-channel ADC eliminates external transceivers and reduces BOM cost by 23% versus discrete solution. |
Use Scenario: Local intelligence for brushless DC motor drives in HVAC blowers and conveyor systems. IC Role / Device Role / Timing Role: Sensor fusion hub collecting temperature, current, and position feedback while executing closed-loop commutation logic. Use Value: Hardware-accelerated CAN message handling enables <100 μs latency between fault detection and shutdown command transmission. |
| Smart Lighting Controller | Energy Meter Communication Hub |
|
Use Scenario: DALI-2 compatible LED driver with adaptive dimming, thermal derating, and grid voltage monitoring. IC Role / Device Role / Timing Role: System controller interfacing DALI transceiver via UART, reading shunt-based current sense via ADC, and regulating PWM outputs. Use Value: 10-bit ADC with hardware averaging over 16 samples delivers ±0.5% current measurement accuracy across 10:1 dimming range. |
Use Scenario: Sub-metering gateway aggregating pulse outputs from mechanical meters and transmitting via PLC or RF to central collector. IC Role / Device Role / Timing Role: Protocol translator bridging optical pulse inputs to HES-compatible DLMS/COSEM over PRIME or G3-PLC PHY. Use Value: LIN-UART peripheral configured as custom UART allows bit-level timing control for legacy pulse decoding with jitter tolerance <±2 μs. |
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 |
|---|---|---|---|
| R5F100LEAFB#30 (Renesas) | RL78/G13 core; 32 KB flash, 4 KB RAM; no native CAN - requires external transceiver | Lacks integrated CAN controller; suitable for LIN-only nodes where CAN is routed externally | Select when CAN is not required locally and lower flash density suffices for firmware footprint |
| MC9S08DZ60CLCR (NXP) | HCS08 core; 60 KB flash, 4 KB RAM; CAN 2.0A only; no LIN-UART peripheral | Requires separate LIN transceiver and software stack; limited to basic LIN 1.3 functionality | Choose only if existing HCS08 toolchain and legacy code reuse outweigh missing LIN 2.2A features |
Compared with R5F100LEAFB#30 and MC9S08DZ60CLCR, MB95F634KNWQN-G-SNE1 uniquely combines CAN 2.0B and LIN-UART in one die with AEC-Q100 Grade 2 rating, enabling dual-network gateways without external ICs or protocol translation firmware overhead.
Availability
MB95F634KNWQN-G-SNE1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control nodes, smart lighting systems, and energy meter communication hubs requiring stable component supply across extended product lifecycles.
Supply support for MB95F634KNWQN-G-SNE1 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, industrial, and consumer applications, emphasizing functional safety, mixed-signal integration, and long-term supply assurance.
MB95F634KNWQN-G-SNE1 belongs to the 8FX family - engineered specifically for cost-sensitive, safety-aware automotive subsystems requiring concurrent CAN and LIN connectivity without external protocol ICs.
FAQ
Does MB95F634KNWQN-G-SNE1 support CAN FD?
No. MB95F634KNWQN-G-SNE1 implements CAN 2.0B only, with fixed 11-bit identifier and 8-byte payload per frame. It does not support CAN FD's variable data length or enhanced bit rate modes. For CAN FD requirements, consider Infineon's XMC4000 or Traveo II families.
What debug tools are compatible with this MCU?
The device supports Cypress's MiniProg3 and KitProg2 programmers via SWD interface, and is fully supported in PSoC Creator IDE with built-in flash programming, real-time variable watch, and single-wire debug session control. No JTAG adapter is needed.
Is the internal oscillator accurate enough for LIN communication?
Yes. The on-chip RC oscillator achieves ±1.5% accuracy over −40 °C to +105 °C, meeting LIN 2.2A baud rate tolerance (±3%) without external crystal. For tighter timing, the device also supports external 1–20 MHz crystal or clock source.
How is AEC-Q100 qualification reflected in the device marking?
The "-G" suffix in MB95F634KNWQN-G-SNE1 denotes AEC-Q100 Grade 2 qualification (−40 °C to +105 °C). Full qualification documentation, including HTOL, ESD, and thermal cycling reports, is available under NDA from Infineon's automotive support portal.
MB95F634KNWQN-G-SNE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 32-WQFN Exposed Pad
- Series:
- F²MC-8FX MB95630H
- Packaging:
- Tray
- 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):
- 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:
MB95F634KNWQN-G-SNE1 FAQ
1.How can I place an order for MB95F634KNWQN-G-SNE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB95F634KNWQN-G-SNE1 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 MB95F634KNWQN-G-SNE1 reliable?
The price and inventory of MB95F634KNWQN-G-SNE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB95F634KNWQN-G-SNE1 is usually 5 days.
3.What payment methods are accepted for MB95F634KNWQN-G-SNE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB95F634KNWQN-G-SNE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB95F634KNWQN-G-SNE1?
MB95F634KNWQN-G-SNE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB95F634KNWQN-G-SNE1 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 MB95F634KNWQN-G-SNE1?
For technical support, including MB95F634KNWQN-G-SNE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB95F634KNWQN-G-SNE1 requirements.
6.How does Aetrix verify that MB95F634KNWQN-G-SNE1 is sourced from the original manufacturer or authorized distributors?
All MB95F634KNWQN-G-SNE1 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 MB95F634KNWQN-G-SNE1 meets industry standards.
7.What is the process for return or replacement of MB95F634KNWQN-G-SNE1?
All MB95F634KNWQN-G-SNE1 units undergo pre-shipment inspection (PSI). If there is an issue with MB95F634KNWQN-G-SNE1, 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 MB95F634KNWQN-G-SNE1 part is unused and in its original packaging.
Return procedure for MB95F634KNWQN-G-SNE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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