Infineon Technologies CY9BF315NPMC-G-JNE2
- Part No.:
- CY9BF315NPMC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY9BF315NPMC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 416KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,950
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Product details
Overview
CY9BF315NPMC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 512 KB MainFlash, 32 KB WorkFlash, 64 KB SRAM, USB 2.0 Full-Speed device/host interface, and integrated motor control timers-designed for real-time embedded control in industrial motor drives and power conversion systems.
For engineers reviewing the CY9BF315NPMC-G-JNE2 datasheet, CY9BF315NPMC-G-JNE2 pinout, CY9BF315NPMC-G-JNE2 application, or CY9BF315NPMC-G-JNE2 equivalent, key selection criteria include Flash memory partitioning (MainFlash/WorkFlash), dual-bus SRAM architecture (SRAM0/SRAM1), USB endpoint configuration (6 endpoints, 256-byte EP1 buffer), LIN 2.1 support, and 12-bit ADC with 1.0 μs conversion time at 5 V.
Technical Context
The CY9BF315NPMC-G-JNE2 implements an Arm Cortex-M3 r2p1 core operating up to 144 MHz with MPU and NVIC supporting 48 peripheral interrupts across 16 priority levels. It integrates dual independent Flash banks (512 KB MainFlash with accelerator + 32 KB WorkFlash) and two SRAM blocks (32 KB each) connected to I/D-code and system buses for deterministic code/data access.
Peripheral subsystems include a full-featured USB 2.0 controller (device/host), eight-channel DMA, three multi-function timers with dead-time insertion and DTIF interrupt, QPRC for encoder position tracking, RTC with leap-year support, and CRC16/CRC32 accelerators-all synchronized via five clock sources including main PLL, sub-clock (32.768 kHz), and internal CR oscillators.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M3 r2p1, up to 144 MHz - enables deterministic real-time execution with hardware divide and Thumb-2 instruction set. |
| MainFlash | 512 KB with Flash Accelerator and 16 KB trace buffer - zero-wait-state access ≤72 MHz; maintains performance at higher frequencies via accelerator. |
| WorkFlash | 32 KB with configurable wait states (0/2/4 cycles) - supports firmware updates and parameter storage with shared security protection. |
| SRAM | 64 KB total (32 KB SRAM0 on I/D bus + 32 KB SRAM1 on system bus) - enables concurrent CPU and DMA access without bus contention. |
| USB Interface | Full-Speed device/host with 6 endpoints (EP0–EP5), EP1 = 256-byte double-buffer - supports HID, CDC, and custom class devices plus host-side peripheral enumeration. |
| ADC | 12-bit SAR, 16 channels, 1.0 μs conversion @ 5 V - meets fast sampling requirements for current/voltage sensing in motor control loops. |
| Motor Timers | Three multi-function timers with PWM, PPG, dead-time insertion, and A/D activation - enables precise gate drive timing and fault-safe chopper waveform generation. |
Pinout & Package
Package: 120-pin LQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC (2.7–5.5 V) for core/peripherals; USBVCC (3.0–3.6 V when USB active) isolates USB PHY noise. |
| XTAL / EXTAL | Main clock oscillator input/output | Accepts 4–48 MHz crystal or external clock source; feeds main PLL for high-frequency system operation. |
| OSC32K / OSC32KOUT | Sub-clock oscillator input/output | Connects 32.768 kHz crystal for RTC, watchdog, and low-power mode timing with ±20 ppm accuracy. |
| USB_DP / USB_DM | USB 2.0 differential data pair | Full-Speed (12 Mbps) interface with internal pull-up; requires 27 Ω series resistors and proper PCB routing for EMI compliance. |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO | Up to 103 fast I/O pins with port relocation, 5 V-tolerant capability on selected pins, and direct read/write access. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Protection Unit (MPU) | Enforces privilege-level memory access boundaries to prevent unintended code/data corruption in safety-critical tasks. |
| Flash Accelerator with 16 KB trace buffer | Eliminates wait states up to 72 MHz and sustains throughput >72 MHz via prefetch and branch prediction assist. |
| Dual-bus SRAM architecture | SRAM0 (I/D bus) and SRAM1 (system bus) enable parallel instruction fetch and DMA transfers without arbitration delay. |
| LIN 2.1 protocol engine | Hardware-accelerated LIN master/slave with programmable break field (13–16 bit) and delimiter (1–4 bit) for automotive body electronics. |
| DTIF (Motor Emergency Stop) interrupt | Dedicated hardware signal path that forces immediate timer shutdown and CPU exception on critical fault detection. |
Applications
| Industrial Motor Drives | Smart Power Converters |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC/PMSM motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms, PWM generation with dead-time compensation, and ADC-synchronized current sampling. Use Value: 1.0 μs ADC conversion and DTIF interrupt ensure <500 ns fault response time for IGBT/MOSFET protection. | Use Scenario: Digital control of isolated DC-DC converters and AC-DC SMPS with adaptive voltage regulation. IC Role / Device Role / Timing Role: High-resolution PWM timing, isolated feedback processing via ADC, and communication with PMBus/I2C host controllers. Use Value: Dual-bus SRAM and 144 MHz core sustain 100+ kHz switching loop updates with deterministic latency. |
| Automotive Body Control Modules | Programmable Logic Controllers (PLCs) |
Use Scenario: Centralized door module managing window lift, mirror fold, and seat position via LIN network. IC Role / Device Role / Timing Role: LIN 2.1 master node with automatic sync-break generation and slave node diagnostics reporting. Use Value: Hardware LIN engine offloads CPU from protocol framing, enabling <100 μs response to LIN frame requests. | Use Scenario: Compact DIN-rail mounted PLC executing ladder logic and analog I/O conditioning for factory automation. IC Role / Device Role / Timing Role: Deterministic real-time task scheduler with RTC-triggered event logging and USB-based firmware update interface. Use Value: 512 KB MainFlash + 32 KB WorkFlash allows dual-bank firmware updates without runtime interruption. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit Arm Cortex-M3 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F207ZGT6 | 1 MB Flash, 128 KB SRAM, no WorkFlash partition; USB OTG HS/FS, no LIN peripheral | Targets high-throughput connectivity (Ethernet, USB OTG); lacks integrated LIN and motor-specific timers | Select when Ethernet MAC or USB host/device dual-role is required over LIN/motor control features |
| RA4M2 (R7FA4M2AD3CFM) | 120 MHz Cortex-M33, 512 KB Flash, 128 KB SRAM, TrustZone; no WorkFlash, no DTIF interrupt | Focused on secure IoT edge nodes; lacks dedicated motor emergency stop hardware path | Select when secure boot, cryptographic acceleration, or future-proof M33 upgrade outweighs DTIF and LIN needs |
Compared with STM32F207ZGT6 and RA4M2, the CY9BF315NPMC-G-JNE2 uniquely combines WorkFlash partitioning for safe firmware updates, hardware LIN 2.1, and DTIF interrupt for fail-safe motor shutdown-making it optimal for cost-sensitive, safety-aware industrial motion control where peripheral integration reduces BOM count and layout complexity.
Availability
CY9BF315NPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, smart power converters, automotive body control modules, and programmable logic controllers requiring stable component supply and long-term manufacturing continuity.
Supply support for CY9BF315NPMC-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
Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, sensor solutions, and microcontrollers for industrial, automotive, and IoT applications.
The CY9BF315NPMC-G-JNE2 belongs to the FM3 family of high-integration 32-bit microcontrollers, designed specifically for cost-effective, real-time embedded control in motor-driven systems and power electronics where peripheral consolidation and deterministic timing are critical.
FAQ
What is the maximum operating frequency of the CY9BF315NPMC-G-JNE2 core?
The Arm Cortex-M3 core operates up to 144 MHz, enabled by the main PLL with input from either an external 4–48 MHz crystal or internal high-speed CR oscillator. This frequency is sustained with zero-wait-state Flash access up to 72 MHz and maintained above via the integrated Flash Accelerator system with 16 KB trace buffer.
Does the CY9BF315NPMC-G-JNE2 support USB device and host modes simultaneously?
No-it supports USB device and host modes, but not concurrently. The USB controller is a single physical interface with configurable device/host functionality selected at initialization. Device mode supports up to 6 endpoints (including 256-byte EP1), while host mode supports up to 256-byte packet length and automatic device connect/disconnect detection.
How does the WorkFlash differ from MainFlash in practical firmware design?
WorkFlash (32 KB) is optimized for frequent writes-such as parameter storage, calibration data, or bootloader staging-with configurable wait states (0/2/4 cycles) and shared security protection. MainFlash (512 KB) hosts application code and is accelerated for high-speed execution. This separation enables safe dual-bank firmware updates without corrupting running code.
Is the DTIF (Motor Emergency Stop) function hardware- or software-triggered?
The DTIF interrupt is hardware-triggered via dedicated input pins (e.g., INTP0–INTP15) routed directly to the multi-function timer block. Upon assertion, it immediately disables PWM outputs, clears timer counters, and generates a non-maskable CPU exception-bypassing software polling or NVIC latency to achieve sub-microsecond fault response.
CY9BF315NPMC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- FM3 MB9B310R
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 144MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, LINbus, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 416KB (416K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 48K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF315NPMC-G-JNE2 FAQ
1.How can I place an order for CY9BF315NPMC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF315NPMC-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 CY9BF315NPMC-G-JNE2 reliable?
The price and inventory of CY9BF315NPMC-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 CY9BF315NPMC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF315NPMC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF315NPMC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF315NPMC-G-JNE2?
CY9BF315NPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF315NPMC-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 CY9BF315NPMC-G-JNE2?
For technical support, including CY9BF315NPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF315NPMC-G-JNE2 requirements.
6.How does Aetrix verify that CY9BF315NPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF315NPMC-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 CY9BF315NPMC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF315NPMC-G-JNE2?
All CY9BF315NPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF315NPMC-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 CY9BF315NPMC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9BF315NPMC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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