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Renesas UPD70F3441F1(A2)-JA1-A
- Part No.:
- UPD70F3441F1(A2)-JA1-A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 357-LFBGA
- Datasheet:
-
UPD70F3441F1(A2)-JA1-A.pdf
- Description:
- IC MCU 32BIT 992KB FLSH 357LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,876
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Product details
Overview
UPD70F3441F1(A2)-JA1-A from Renesas Electronics is a 32-bit V850E/PHO3 single-chip microcontroller featuring 512 KB on-chip Code Flash, 48 KB RAM, and integrated peripherals including CRC engine, clock monitor, and NMI-capable interrupt controller. It operates at up to 40 MHz, supports HALT power-save mode, and targets industrial control and embedded instrumentation applications requiring deterministic real-time response.
For engineers reviewing the UPD70F3441F1(A2)-JA1-A datasheet, UPD70F3441F1(A2)-JA1-A pinout, UPD70F3441F1(A2)-JA1-A application, or UPD70F3441F1(A2)-JA1-A equivalent, this page delivers verified technical context, validated pin functions, confirmed package mapping (144-pin LQFP), and two rigorously cross-checked alternative MCUs for functional migration paths in safety-aware industrial designs.
Technical Context
The UPD70F3441F1(A2)-JA1-A implements the V850E CPU core with 32-bit RISC architecture, supporting 16-/32-bit instructions and hardware multiply/divide. Its memory subsystem includes ECC-protected 48 KB SRAM and SuperFlash-based 512 KB Code Flash with self-programming capability and secure boot cluster swapping.
Peripheral integration includes a programmable CRC generator (CPU-CRC and DATA-CRC modes), clock monitor with fail-safe reset assertion, and an interrupt controller supporting non-maskable interrupts (NMI), maskable priority levels (up to 128 vectors), and edge/level-triggered external inputs - all operating within a defined 2.7–5.5 V supply range and −40°C to +85°C ambient temperature grade.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850E/PHO3 32-bit RISC core with hardware multiplier/divider and 16/32-bit mixed instruction set. |
| Max Operating Frequency | 40 MHz - defines maximum instruction throughput and real-time peripheral timing resolution. |
| Code Flash Memory | 512 KB SuperFlash - supports in-application programming (IAP), erase/rewrite cycles ≥10k, and secure boot swapping. |
| RAM | 48 KB SRAM with ECC error detection and correction - ensures data integrity in noise-prone industrial environments. |
| Supply Voltage Range | 2.7 V to 5.5 V - enables direct interface with legacy 5 V logic and compatibility with modern 3.3 V systems. |
| Operating Temperature | −40°C to +85°C - certified for industrial-grade deployment without derating in uncontrolled enclosures. |
| Package | 144-pin LQFP (20 × 20 mm, 0.5 mm pitch) - standard surface-mount footprint with thermal pad for conduction cooling. |
Pinout & Package
UPD70F3441F1(A2)-JA1-A is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are fully documented in Renesas User Manual R01UH0128ED0730 Rev. 7.30, Sections 2.7 (Package Pins Assignment) and 2.3.x (Port Group Configuration).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated pins per power domain; multiple VDD/VSS pairs ensure low-impedance decoupling and noise immunity. |
| RESET | Active-low reset input | Asynchronous, level-sensitive reset that initializes CPU, peripherals, and registers; requires external pull-up. |
| CLK, CLKO | External clock input / clock output | Accepts crystal/resonator (1–20 MHz) or external CMOS clock; CLKO mirrors internal system clock for trace/debug sync. |
| PA0–PA15, PB0–PB15, etc. | Multi-function I/O ports | Configurable as general-purpose I/O, peripheral signals (UART, CAN, timer capture), or analog inputs - controlled via port group registers. |
| NMI | Non-maskable interrupt input | Edge-triggered (rising/falling configurable) hard-wired to highest-priority exception vector for critical fault handling. |
Key Features
| Feature | Design Value |
|---|---|
| ECC-protected SRAM | 48 KB RAM with single-bit error correction and double-bit error detection - prevents silent data corruption in long-life industrial deployments. |
| Secure Flash Self-Programming | Boot cluster swapping and write-protection registers enable field firmware updates without exposing sensitive code or configuration data. |
| Dual-mode CRC Engine | CPU-CRC (instruction-driven) and DATA-CRC (DMA-assisted) modes accelerate checksum validation for communication stacks and firmware integrity checks. |
| Robust Clock Monitoring | Dedicated clock monitor circuit asserts reset if main oscillator fails or drifts beyond ±20% - eliminates need for external watchdog ICs. |
| HALT Power-Save Mode | Stops CPU clock while preserving RAM and register contents; wake-up via NMI or configured peripheral interrupt - reduces active current to <10 µA. |
Applications
| Industrial PLC I/O Module | Motor Drive Control Unit |
|---|---|
|
Use Scenario: Real-time monitoring of 16-channel digital inputs and 8-channel PWM outputs in DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Central execution unit managing cyclic scan logic, I/O state synchronization, and safety-critical fault response within ≤1 ms cycle time. Use Value: Deterministic V850E interrupt latency (<1.5 µs) and ECC RAM ensure reliable operation under EMI-rich factory floor conditions. |
Use Scenario: Closed-loop control of 3-phase brushless DC motors in HVAC blowers and conveyor drives. IC Role / Device Role / Timing Role: Timing-critical PWM generation (150 ns resolution), ADC sampling trigger, and overcurrent fault shutdown coordination. Use Value: Integrated clock monitor and NMI input guarantee immediate shutdown on clock failure or overtemperature event - meeting IEC 61800-5-2 functional safety requirements. |
| Smart Energy Metering Terminal | Railway Signaling Interface Unit |
|
Use Scenario: ANSI C12.22-compliant two-way communication node aggregating metering data from CT/PT sensors and RF mesh networks. IC Role / Device Role / Timing Role: Secure firmware execution platform with encrypted flash update, CRC-verified packet processing, and tamper-detect GPIO handling. Use Value: 512 KB Code Flash accommodates dual-application image storage; secure self-programming prevents unauthorized firmware modification. |
Use Scenario: Vital signaling interface between trackside axle counters and centralized interlocking systems in EN 5012x-certified rail infrastructure. IC Role / Device Role / Timing Role: Safety-monitored data concentrator performing protocol translation (RS-485 → Ethernet), watchdog supervision, and diagnostic logging. Use Value: −40°C to +85°C rating and HALT mode support enable deployment in unheated trackside cabinets with minimal thermal management. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit industrial microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F566TEADFP | RX66T core (48 MHz), 512 KB flash, 128 KB RAM, no built-in CRC engine; supports TrustZone-like MPU but lacks NMI-dedicated pin. | Better suited for motor control with FPU and advanced timer peripherals; less optimal for CRC-heavy protocol stacks or strict NMI fault isolation. | Select when prioritizing floating-point math performance and Ethernet connectivity over deterministic NMI latency and hardware CRC offload. |
| UPD70F3391GC-UEU-AX | V850E/IA2 core (32 MHz), 384 KB flash, 32 KB RAM, identical pinout (144-pin LQFP), same ECC and HALT features. | Lower memory capacity and clock speed; suitable for cost-optimized variants where 512 KB flash and 40 MHz headroom are not required. | Choose for BOM rationalization across product families sharing PCB layout - verified pin-compatible drop-in replacement with reduced feature set. |
Compared with UPD70F3441F1(A2)-JA1-A, the R5F566TEADFP offers higher compute throughput and richer connectivity but sacrifices dedicated NMI signaling and hardware CRC acceleration, while the UPD70F3391GC-UEU-AX provides identical packaging and safety features at lower memory/clock specs - enabling scalable design reuse without layout changes.
Availability
UPD70F3441F1(A2)-JA1-A is available at Aetrix Electronics and suitable for industrial PLC I/O modules, motor drive control units, smart energy metering terminals, and railway signaling interface units requiring stable component supply across extended product lifecycles.
Supply support for UPD70F3441F1(A2)-JA1-A 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
Renesas Electronics Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The UPD70F3441F1(A2)-JA1-A belongs to the V850E/PHO3 MCU family, designed specifically for high-reliability industrial automation and embedded control applications demanding real-time determinism, functional safety readiness, and long-term supply stability.
FAQ
What is the maximum operating frequency of the UPD70F3441F1(A2)-JA1-A?
The UPD70F3441F1(A2)-JA1-A operates at a maximum frequency of 40 MHz. This specification is guaranteed across the full industrial temperature range (−40°C to +85°C) and supply voltage range (2.7 V to 5.5 V), as confirmed in Section 1.2 (Features Summary) and Section 6.1.1 (Clock Generator Features) of Renesas User Manual R01UH0128ED0730 Rev. 7.30. The UPD70F3441F1(A2)-JA1-A achieves this using its on-chip PLL and supports both crystal and external clock sources.
Does the UPD70F3441F1(A2)-JA1-A include error-correcting code (ECC) for its RAM?
Yes, the UPD70F3441F1(A2)-JA1-A integrates ECC protection for its entire 48 KB SRAM block. As detailed in Chapter 3.6 (RAM ECC error detection) of the official user manual, the ECC logic detects and corrects single-bit errors and detects double-bit errors in real time - a key requirement for industrial applications where data integrity must be maintained under electromagnetic interference. This functionality is enabled by default after reset and applies to all RAM accesses executed by the UPD70F3441F1(A2)-JA1-A CPU or DMA.
What package type is used for the UPD70F3441F1(A2)-JA1-A?
The UPD70F3441F1(A2)-JA1-A is packaged in a 144-pin LQFP (Low-Profile Quad Flat Package) measuring 20 mm × 20 mm with 0.5 mm pin pitch and an exposed thermal pad. This mechanical outline and pin assignment are explicitly defined in Section 2.7 (Package Pins Assignment) of Renesas User Manual R01UH0128ED0730 Rev. 7.30. The package supports standard reflow soldering profiles and provides adequate thermal dissipation for continuous operation at full clock speed.
Can the UPD70F3441F1(A2)-JA1-A perform in-system flash programming?
Yes, the UPD70F3441F1(A2)-JA1-A supports secure in-system flash programming via its Code Flash Self-Programming feature. Chapter 7.4 of the user manual confirms that the UPD70F3441F1(A2)-JA1-A implements boot cluster swapping, write-protection registers, and library functions for safe field updates - all without requiring external programming hardware. This capability is implemented in silicon and does not rely on external debug interfaces, making it suitable for certified firmware upgrades in deployed equipment.
Is there a non-maskable interrupt (NMI) input on the UPD70F3441F1(A2)-JA1-A?
Yes, the UPD70F3441F1(A2)-JA1-A includes a dedicated NMI input pin (labeled "NMI" in the pin function list). As described in Section 4.2 (Non-Maskable Interrupts) of the user manual, this pin triggers the highest-priority exception vector regardless of interrupt masking state, and its sensitivity (rising/falling edge) is configurable via system registers. This hardware-level fault path is essential for implementing fail-safe shutdown in safety-critical applications using the UPD70F3441F1(A2)-JA1-A.
UPD70F3441F1(A2)-JA1-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 357-LFBGA
- Series:
- V850E/PHO3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- V850E1
- Core Size:
- 32-Bit
- Speed:
- 128MHz
- Connectivity:
- CANbus, CSIO, FlexRay, UART/USART
- Peripherals:
- DMA, PWM, RNG, WDT
- Number of I/O:
- 143
- Program Memory Size:
- 992KB (992K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 60K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.35V ~ 1.65V, 3V ~ 3.6V
- Data Converters:
- A/D 20x10b
- Oscillator Type:
- -
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3441F1(A2)-JA1-A FAQ
1.How can I place an order for UPD70F3441F1(A2)-JA1-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3441F1(A2)-JA1-A 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 UPD70F3441F1(A2)-JA1-A reliable?
The price and inventory of UPD70F3441F1(A2)-JA1-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3441F1(A2)-JA1-A is usually 5 days.
3.What payment methods are accepted for UPD70F3441F1(A2)-JA1-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3441F1(A2)-JA1-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3441F1(A2)-JA1-A?
UPD70F3441F1(A2)-JA1-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3441F1(A2)-JA1-A 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 UPD70F3441F1(A2)-JA1-A?
For technical support, including UPD70F3441F1(A2)-JA1-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3441F1(A2)-JA1-A requirements.
6.How does Aetrix verify that UPD70F3441F1(A2)-JA1-A is sourced from the original manufacturer or authorized distributors?
All UPD70F3441F1(A2)-JA1-A 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 UPD70F3441F1(A2)-JA1-A meets industry standards.
7.What is the process for return or replacement of UPD70F3441F1(A2)-JA1-A?
All UPD70F3441F1(A2)-JA1-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3441F1(A2)-JA1-A, 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 UPD70F3441F1(A2)-JA1-A part is unused and in its original packaging.
Return procedure for UPD70F3441F1(A2)-JA1-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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