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Infineon Technologies MB9AF314NAPMC-G-JNE2
- Part No.:
- MB9AF314NAPMC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MB9AF314NAPMC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,213
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Product details
Overview
MB9AF314NAPMC-G-JNE2 from Spansion (formerly Fujitsu Semiconductor) is a 32-bit ARM Cortex-M3 microcontroller with 256 KB on-chip Flash, 32 KB SRAM (16 KB SRAM0 + 16 KB SRAM1), 100-pin LQFP package, and integrated peripherals including USB 2.0 Full-Speed Function/Host, 16-channel 12-bit ADC, 8-channel Base Timer, and QPRC for motor position sensing - deployed in industrial motor control and embedded HMI systems.
For engineers reviewing the MB9AF314NAPMC-G-JNE2 datasheet, MB9AF314NAPMC-G-JNE2 pinout, MB9AF314NAPMC-G-JNE2 application, or MB9AF314NAPMC-G-JNE2 equivalent, key selection criteria include its 40 MHz CPU frequency, dual watchdog (HW/SW), CRC accelerator supporting CCITT CRC16 and IEEE-802.3 CRC32, 8-channel DMA, and 16 external interrupt inputs with NMI - critical for real-time deterministic control and firmware integrity in safety-aware designs.
Technical Context
The MB9AF314NAPMC-G-JNE2 implements the ARM Cortex-M3 r2p1 core with Nested Vectored Interrupt Controller (NVIC) supporting 48 peripheral interrupts across 16 priority levels and a 24-bit SysTick timer for RTOS scheduling. Its memory subsystem features zero-wait-state Flash execution and dual-bus-connected SRAM banks enabling concurrent CPU and DMA access.
Peripheral integration includes a full-featured USB 2.0 controller (dual-mode Function/Host), eight multi-function serial channels (UART/CSIO/LIN/I²C), three independent 12-bit ADC units (16 total channels, 1.0 µs conversion @ 5 V), and dedicated motor-control blocks: QPRC for encoder feedback, Multi-function Timers with dead-time insertion and A/D activation compare, and PWM/PPG waveform generation - all synchronized via shared clock domains and trigger routing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time task execution with Thumb-2 instruction set and hardware divide. |
| Memory | 256 KB Flash (0-wait), 32 KB SRAM (16 KB SRAM0 + 16 KB SRAM1) - supports fast code execution and dual-bank data buffering for DMA-coupled peripherals. |
| ADC | 16-channel 12-bit SAR ADC, 1.0 µs conversion @ 5 V - delivers high-resolution analog sensing for closed-loop motor current/voltage monitoring. |
| USB Interface | USB 2.0 Full-Speed Function/Host, 6 endpoints (EP0–EP5), double-buffered - enables direct device connectivity and host-side peripheral enumeration without external PHY. |
| Timers | 8-channel Base Timer (PWM/PPG/Reload/PWC), 2-unit Multi-function Timer (input capture/output compare/A/D activate), 2-unit QPRC - provides synchronized waveform generation, encoder position tracking, and motor phase timing. |
| Power & Safety | 2.7–5.5 V supply, dual watchdog (HW CR-oscillator-based + SW), CSV, LVD1/LVD2 - ensures robust operation across voltage transients and clock faults in industrial environments. |
| CRC Accelerator | CCITT CRC16 and IEEE-802.3 CRC32 offload - reduces CPU load for communication frame validation and firmware image integrity checks. |
Pinout & Package
MB9AF314NAPMC-G-JNE2 is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are fully defined in Fujitsu Semiconductor Data Sheet DS706-00012-2v0-E, Section "PIN DESCRIPTION".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domain: VCC (2.7–5.5 V) for core/peripherals; separate USBVCC (3.0–3.6 V) required only when USB I/O active. |
| XTAL1 / XTAL2 | Main oscillator input/output | Supports 4–48 MHz crystal or external clock source; feeds Main PLL for system clock generation. |
| USB_DP / USB_DM | USB differential data pair | Full-Speed USB 2.0 interface pins - require 27 Ω series resistors and 1.5 kΩ pull-up on DP for device mode. |
| AD0–AD15 | Analog input channels | 16 dedicated ADC input pins mapped to internal 12-bit SAR converters; support scanning and priority conversion modes. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O with relocation | 83 total GPIOs; each pin supports programmable function assignment (e.g., UART0_TX, TIM0_PWM, QPRC_AIN) via port relocate registers. |
Key Features
| Feature | Design Value |
|---|---|
| Motor Control Peripherals | Integrated QPRC (quadrature encoder counter), dead-time insertion, A/D activation triggers, and PWM/PPG timers - enable single-chip field-oriented control (FOC) implementation. |
| Dual Watchdog Architecture | Hardware watchdog clocked by 100 kHz CR oscillator remains active in SLEEP/TIMER/STOP modes - ensures fail-safe recovery during low-power operation. |
| Flexible Serial Connectivity | 8 configurable serial channels: 4 with 16-byte FIFO (ch.4–ch.7), 4 without FIFO (ch.0–ch.3); support UART, CSIO, LIN 2.1, and I²C (100/400 kbps). |
| Memory Protection & Integrity | Flash security lock bits prevent unauthorized read-out; CRC accelerator offloads CCITT CRC16/IEEE-802.3 CRC32 - critical for secure boot and communication stack reliability. |
| Low-Power Operation | Three power modes (SLEEP, TIMER, STOP) with sub-clock wake-up (32.768 kHz Watch Counter up to 64 s) - extends battery life in portable HMI and sensor nodes. |
Applications
| Industrial Motor Drive | Embedded Human-Machine Interface |
|---|---|
Use Scenario: Brushless DC (BLDC) motor control in HVAC blowers and industrial pumps requiring precise speed/torque regulation and fault response. IC Role / Device Role / Timing Role: Central controller executing FOC algorithm, sampling current/voltage via 12-bit ADC, generating PWM with dead-time, and decoding quadrature encoder feedback via QPRC. Use Value: Eliminates need for external encoder interface IC and discrete PWM generator - reduces BOM count and PCB area while maintaining <1 µs timing jitter on PWM edges. | Use Scenario: Touch-enabled operator panel for factory automation equipment with local display, button inputs, and USB configuration port. IC Role / Device Role / Timing Role: System-on-chip managing LCD refresh, capacitive touch scan, serial communication to PLC, and USB mass storage for firmware updates. Use Value: Integrated USB Function/Host allows direct connection to PC for parameter upload/download and eliminates external USB-to-UART bridge IC. |
| Automotive Body Control Module | Smart Sensor Node |
Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting with LIN bus diagnostics and power management. IC Role / Device Role / Timing Role: LIN 2.1 master node communicating with slave sensors/actuators, monitoring supply voltage via LVD, and managing wake-up events via external interrupt pins. Use Value: Hardware LIN protocol support (break field/delimiter generation, error detection) ensures compliance with automotive OEM requirements without software bit-banging overhead. | Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and vibration with periodic wireless transmission. IC Role / Device Role / Timing Role: Low-power data concentrator acquiring analog sensor signals, computing CRC checksums, and entering STOP mode between 10-second measurement cycles. Use Value: Sub-clock Watch Counter wake-up with 64 s max interval enables ultra-low quiescent current (<10 µA) while maintaining precise sampling schedule. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MB9AF314MAPMC-G-JNE2 | Same die, identical peripherals and memory, but rated for -40°C to +85°C industrial temp range vs. MB9AF314NAPMC-G-JNE2's -40°C to +105°C extended range. | Not suitable for under-hood automotive or high-temp industrial enclosures where ambient exceeds 85°C. | Select NA variant when operating ambient exceeds 85°C; MA variant suffices for standard industrial cabinets. |
| MB9AF315NAPMC-G-JNE2 | Higher memory: 384 KB Flash, 32 KB SRAM; adds External Bus Interface (25-bit address, 8/16-bit data, 8 CS) - absent in MB9AF314NAPMC-G-JNE2. | Required only if external NOR Flash or SRAM expansion is needed; otherwise over-spec'd and higher cost. | Choose MB9AF315NA only when external memory mapping is mandatory; MB9AF314NA provides optimal balance of features and cost for self-contained applications. |
Compared with MB9AF314NAPMC-G-JNE2, the NA-temperature-rated MB9AF314MAPMC-G-JNE2 trades extended thermal margin for lower qualification cost, while MB9AF315NAPMC-G-JNE2 adds external memory support at increased price and package complexity - making MB9AF314NA the preferred choice for thermally demanding, memory-self-sufficient motor control and HMI designs.
Availability
MB9AF314NAPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drive, embedded HMI, automotive body control, and smart sensor node applications requiring stable component supply and long-term lifecycle support.
Supply support for MB9AF314NAPMC-G-JNE2 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
Spansion (acquired by Cypress in 2015, now part of Infineon Technologies) was a leading supplier of flash memory and microcontrollers, formed from the spin-off of Fujitsu Semiconductor's non-volatile memory and microcontroller business.
The MB9A310A Series - including MB9AF314NAPMC-G-JNE2 - was designed specifically for cost-sensitive, high-performance embedded control in motor drives, industrial automation, and automotive body electronics, emphasizing integrated analog/motor peripherals and robust real-time operation.
FAQ
What is the maximum operating temperature rating for MB9AF314NAPMC-G-JNE2?
The MB9AF314NAPMC-G-JNE2 is qualified for operation from –40°C to +105°C ambient temperature. This extended temperature grade enables deployment in under-hood automotive modules and high-heat industrial enclosures where standard industrial-grade MCUs (–40°C to +85°C) would fail thermal validation.
Does MB9AF314NAPMC-G-JNE2 support USB device and host modes simultaneously?
No. The USB interface supports either Function (device) mode or Host mode at any given time, selected at initialization via the USB configuration registers. Dual-role operation requires external mode-switching logic and firmware reconfiguration - it does not support concurrent device/host enumeration.
How many independent 12-bit ADC units are integrated, and what is their total channel count?
The MB9AF314NAPMC-G-JNE2 integrates three independent 12-bit successive-approximation ADC units, providing a total of 16 analog input channels. Two units are enabled in this variant (as confirmed in the Product Lineup table), delivering 12-channel capability with built-in FIFO and priority-based scanning - sufficient for multi-phase motor current sensing and auxiliary voltage monitoring.
Is external memory expansion supported via an External Bus Interface?
No. The MB9AF314NAPMC-G-JNE2 - like other LA/MA/NA variants in the F314 subfamily - does not implement the External Bus Interface. This feature is present only in the F315 and F316 derivatives (e.g., MB9AF315NA). Designers requiring external NOR Flash or SRAM must select those higher-tier variants or use SPI-based memory solutions.
MB9AF314NAPMC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- FM3 MB9A310A
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 40MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, LINbus, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MB9AF314NAPMC-G-JNE2 FAQ
1.How can I place an order for MB9AF314NAPMC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB9AF314NAPMC-G-JNE2 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 MB9AF314NAPMC-G-JNE2 reliable?
The price and inventory of MB9AF314NAPMC-G-JNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB9AF314NAPMC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for MB9AF314NAPMC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB9AF314NAPMC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB9AF314NAPMC-G-JNE2?
MB9AF314NAPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB9AF314NAPMC-G-JNE2 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 MB9AF314NAPMC-G-JNE2?
For technical support, including MB9AF314NAPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB9AF314NAPMC-G-JNE2 requirements.
6.How does Aetrix verify that MB9AF314NAPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All MB9AF314NAPMC-G-JNE2 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 MB9AF314NAPMC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of MB9AF314NAPMC-G-JNE2?
All MB9AF314NAPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with MB9AF314NAPMC-G-JNE2, 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 MB9AF314NAPMC-G-JNE2 part is unused and in its original packaging.
Return procedure for MB9AF314NAPMC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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