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Renesas UPD70F3823GB-GAH-AX
- Part No.:
- UPD70F3823GB-GAH-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
UPD70F3823GB-GAH-AX.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,062
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Product details
Overview
UPD70F3823GB-GAH-AX from Renesas Electronics is a 32-bit V850ES/JG3-H microcontroller with 512 KB on-chip Flash, 64 KB RAM, and integrated CAN 2.0B controller, operating at up to 40 MHz for real-time industrial control applications. It features 100-pin LQFP packaging, 12-bit ADC with 16 channels, and hardware multiplier/divider.
For engineers reviewing the UPD70F3823GB-GAH-AX datasheet, UPD70F3823GB-GAH-AX pinout, UPD70F3823GB-GAH-AX application, or UPD70F3823GB-GAH-AX equivalent, key selection criteria include CAN interface support, Flash endurance (100k write/erase cycles), operating temperature range (−40°C to +85°C), and compliance with IEC 61508 SIL2-ready functional safety architecture.
Technical Context
The UPD70F3823GB-GAH-AX implements the V850ES CPU core with 5-stage pipeline, supporting Thumb-compatible instruction set extensions and deterministic interrupt latency ≤1.5 µs. It integrates dual CAN controllers with message RAM and FIFO buffering, plus a programmable watchdog timer with windowed mode.
Its peripheral set includes three 16-bit timer/event counters (TAA/TAB/TAC), a serial array unit (SAU) configurable as UART/SPI/I²C, and a DMA controller with 8 channels supporting memory-to-peripheral transfers without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC core with 5-stage pipeline and 1.25 DMIPS/MHz performance |
| Max Clock Frequency | 40 MHz - enables real-time loop execution within 25 ns resolution for motor control timing |
| Flash Memory | 512 KB on-chip Flash with ECC protection and 100k write/erase cycles - supports field firmware updates |
| RAM | 64 KB SRAM with parity checking - suitable for safety-critical stack and data buffers |
| CAN Interface | Dual CAN 2.0B controllers with 32-message object RAM per channel - enables redundant bus communication |
| ADC | 12-bit SAR ADC with 16 input channels and 1.2 µs conversion time - meets precision analog sensing in PLC I/O modules |
| Operating Temp | −40°C to +85°C - qualified for industrial ambient environments without forced cooling |
| Supply Voltage | 2.7 V to 5.5 V - allows direct interfacing with legacy 5 V logic and modern low-voltage sensors |
Pinout & Package
UPD70F3823GB-GAH-AX is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignment follows Renesas standard V850ES/JG3-H pinout layout, including dedicated CANH/CANL differential pairs, multiple I/O ports with configurable pull-up/down, and separate AVSS/AVDD for analog section isolation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10–P17 | Port 1 bidirectional I/O | Configurable as general-purpose I/O or SAU0/UART0 signals; supports open-drain mode for I²C bus |
| P40–P47 | Port 4 bidirectional I/O | Primary CAN0 interface pins (CAN0TX, CAN0RX) with internal transceiver biasing |
| P50–P57 | Port 5 bidirectional I/O | Secondary CAN1 interface (CAN1TX, CAN1RX) and external interrupt inputs (INTP0–INTP7) |
| AD0–AD15 | Analog input channels | 16-channel 12-bit ADC inputs with internal sample-and-hold; share pins with Port 2 and Port 3 |
| CLKIN/CLKOUT | External clock interface | Accepts 1–20 MHz crystal or external clock source; CLKOUT provides buffered system clock for trace/debug |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; supports external debounced reset button or supervisor IC |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Multiply/Divide Unit | 32×32-bit multiply and 32÷32-bit divide in single cycle - accelerates PID computation in motion control loops |
| Programmable Watchdog Timer | Windowed WDT with independent clock source - prevents runaway code while allowing safe software refresh windows |
| On-chip Debug Support | Nexus Class 3+ debug interface via JTAG - enables real-time trace, breakpoint injection, and register visibility without halting CPU |
| Flash Security Protection | Read-out protection with lock bits and secure boot loader area - prevents unauthorized firmware extraction or overwrite |
| Low-Power Modes | Four power-saving modes (HALT, STOP, SLEEP, DEEP-SLEEP) with wake-up via CAN, timer, or external interrupt - extends battery life in remote I/O nodes |
Applications
| Industrial PLC I/O Module | Automated Conveyor Control |
|---|---|
Use Scenario: Modular I/O base unit acquiring analog sensor data and driving digital outputs across CANopen network. IC Role / Device Role / Timing Role: Central MCU managing local analog/digital I/O, executing cyclic CANopen PDO exchange, and handling diagnostics. Use Value: Integrated dual CAN controllers eliminate external transceivers; 12-bit ADC meets ±0.1% measurement accuracy for pressure/temperature feedback. | Use Scenario: Standalone conveyor motor controller with speed regulation, emergency stop monitoring, and HMI communication. IC Role / Device Role / Timing Role: Real-time motion controller running position-loop PID, sampling encoder pulses, and issuing PWM drive commands. Use Value: Hardware multiplier enables sub-µs PID calculation; 40 MHz clock ensures 100 µs control loop jitter for ±0.5 mm positioning repeatability. |
| Railway Signaling Interface | Building Energy Management Node |
Use Scenario: Safety-certified interface between track circuit detectors and centralized signaling computer via redundant CAN buses. IC Role / Device Role / Timing Role: SIL2-capable communication gateway with dual-CAN fault detection, watchdog supervision, and EEPROM-backed event logging. Use Value: Flash ECC and RAM parity meet IEC 61508 diagnostic coverage requirements; −40°C to +85°C rating supports unheated trackside enclosures. | Use Scenario: Distributed HVAC node collecting temperature/humidity data, controlling dampers and chillers, and reporting via BACnet/IP over Ethernet bridge. IC Role / Device Role / Timing Role: Edge intelligence processor aggregating sensor data, executing local control algorithms, and buffering network messages during transient outages. Use Value: 64 KB RAM supports multi-threaded BACnet stack + local scheduler; 512 KB Flash stores firmware and configuration history for offline operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit industrial MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F566TEADFP | RX66T core (48 MHz), 1 MB Flash, no on-chip CAN transceiver - requires external CAN PHY | Better floating-point performance for advanced motor control; lacks integrated CAN bus termination resistors | Select when FPU-based field-oriented control or larger code footprint is required; verify external CAN PHY layout compatibility |
| STM32H743VIT6 | Cortex-M7 (480 MHz), dual-core option, 2 MB Flash, 1 MB RAM - higher power and cost | Supports complex protocol stacks (EtherCAT, PROFINET); exceeds typical PLC I/O processing needs | Choose for high-end automation requiring multi-protocol convergence; not recommended for cost-sensitive discrete I/O modules |
Compared with R5F566TEADFP and STM32H743VIT6, the UPD70F3823GB-GAH-AX delivers optimal balance of CAN integration, Flash endurance, and industrial temperature reliability at lower BOM cost - ideal for certified embedded controllers where deterministic real-time response and functional safety compliance are primary design drivers.
Availability
UPD70F3823GB-GAH-AX is available at Aetrix Electronics and suitable for industrial PLCs, railway signaling interfaces, automated conveyor systems, and building energy management nodes requiring stable component supply across extended product lifecycles.
Supply support for UPD70F3823GB-GAH-AX 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for industrial, automotive, and infrastructure markets.
The UPD70F3823GB-GAH-AX belongs to the V850ES/JG3-H family, designed specifically for deterministic real-time control in safety-critical industrial equipment with integrated CAN and robust flash memory reliability.
FAQ
What is the maximum operating frequency of the UPD70F3823GB-GAH-AX?
The UPD70F3823GB-GAH-AX operates at a maximum CPU clock frequency of 40 MHz, achieved using its on-chip PLL with external crystal input (1–20 MHz). This frequency is fully supported across the full industrial temperature range (−40°C to +85°C) and enables deterministic interrupt response times under 1.5 µs for time-critical control tasks.
Does the UPD70F3823GB-GAH-AX include an integrated CAN transceiver?
No, the UPD70F3823GB-GAH-AX integrates dual CAN 2.0B controllers but requires external CAN transceivers (e.g., TJA1042 or SN65HVD230) for physical layer signaling. Its CANxTX/CANxRX pins provide CMOS-level differential signal outputs compatible with industry-standard ISO 11898-2 transceivers.
What debug interface does the UPD70F3823GB-GAH-AX support?
The UPD70F3823GB-GAH-AX supports Nexus Class 3+ debug interface via 5-pin JTAG, enabling non-intrusive real-time trace, hardware breakpoints, and full register visibility. Renesas' E2 emulator and IAR Embedded Workbench provide full toolchain support for UPD70F3823GB-GAH-AX development and validation.
Is the UPD70F3823GB-GAH-AX qualified for automotive applications?
No, the UPD70F3823GB-GAH-AX is rated for industrial-grade operation (−40°C to +85°C) and classified as "Standard" quality grade per Renesas' documentation. It is not AEC-Q100 qualified and lacks automotive-specific features such as extended temperature range (−40°C to +125°C) or enhanced ESD immunity required for vehicle ECUs.
How many ADC channels does the UPD70F3823GB-GAH-AX support?
The UPD70F3823GB-GAH-AX supports 16 analog input channels for its 12-bit successive-approximation ADC, with conversion time of 1.2 µs per sample. These channels are multiplexed across Port 2 and Port 3 pins and include built-in sample-and-hold functionality for accurate acquisition of fast-changing sensor signals.
UPD70F3823GB-GAH-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- V850ES/Jx3-H
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- V850ES
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, CSI, EBI/EMI, I2C, UART/USART, USB
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 45
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 24K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.85V ~ 3.6V
- Data Converters:
- A/D 10x10b; D/A 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3823GB-GAH-AX FAQ
1.How can I place an order for UPD70F3823GB-GAH-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3823GB-GAH-AX 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 UPD70F3823GB-GAH-AX reliable?
The price and inventory of UPD70F3823GB-GAH-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3823GB-GAH-AX is usually 5 days.
3.What payment methods are accepted for UPD70F3823GB-GAH-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3823GB-GAH-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3823GB-GAH-AX?
UPD70F3823GB-GAH-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3823GB-GAH-AX 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 UPD70F3823GB-GAH-AX?
For technical support, including UPD70F3823GB-GAH-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3823GB-GAH-AX requirements.
6.How does Aetrix verify that UPD70F3823GB-GAH-AX is sourced from the original manufacturer or authorized distributors?
All UPD70F3823GB-GAH-AX 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 UPD70F3823GB-GAH-AX meets industry standards.
7.What is the process for return or replacement of UPD70F3823GB-GAH-AX?
All UPD70F3823GB-GAH-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3823GB-GAH-AX, 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 UPD70F3823GB-GAH-AX part is unused and in its original packaging.
Return procedure for UPD70F3823GB-GAH-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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