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Renesas UPD70F3824GB-GAH-AX
- Part No.:
- UPD70F3824GB-GAH-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
UPD70F3824GB-GAH-AX.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,740
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Product details
Overview
UPD70F3824GB-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 automotive body control and industrial I/O modules.
For engineers reviewing the UPD70F3824GB-GAH-AX datasheet, UPD70F3824GB-GAH-AX pinout, UPD70F3824GB-GAH-AX application, or UPD70F3824GB-GAH-AX equivalent, this page delivers verified electrical specs, package mapping (LQFP-144), CAN timing parameters, reset behavior, and validated alternative MCUs for functional migration.
Technical Context
The UPD70F3824GB-GAH-AX implements the V850ES CPU core with 5-stage pipeline, supports 16/32-bit mixed instruction set, and integrates dual CAN controllers with message RAM and FIFO-based transmission/reception logic. It includes a programmable watchdog timer with independent clock source and low-power stop mode with wake-up via CAN interrupt or external pin.
Hardware peripherals include 12-bit ADC (16 channels, 1.1 µs conversion), 32-bit real-time counter with calendar function, and 8-channel 16-bit PWM with dead-time insertion-configured via dedicated peripheral I/O registers mapped in the 0xFFE0_0000–0xFFE0_FFFF address space.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC core with 5-stage pipeline and 16/32-bit instruction mix |
| Max Clock Frequency | 40 MHz - determines maximum instruction throughput and real-time response latency |
| Flash Memory | 512 KB on-chip Flash with ECC and 100k write/erase cycles - supports in-application programming |
| RAM Size | 64 KB SRAM - sufficient for RTOS task stacks, CAN message buffers, and sensor data buffering |
| CAN Interface | Dual CAN 2.0B controllers with 32-message object RAM per channel - enables redundant bus or multi-node gateway operation |
| ADC Resolution | 12-bit SAR ADC with 16 input channels and 1.1 µs conversion time - suitable for analog sensor monitoring without external signal conditioning |
| Package | LQFP-144, 20 × 20 mm, 0.5 mm pitch - compatible with standard SMT reflow profiles and automotive PCB layout rules |
Pinout & Package
LQFP-144 package with exposed thermal pad (EP), JEDEC MS-026AC compliant, rated for −40°C to +125°C ambient operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Separate analog/digital power domains with decoupling requirements per Section 33.2 of Hardware Manual Rev.5.10 |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires external RC network for power-on reset timing compliance |
| CAN0_TX / CAN0_RX | CAN controller differential interface | CMOS-level signals requiring external transceiver (e.g., TJA1042) and 120 Ω termination |
| AD0–AD15 | Analog input channels | 12-bit ADC inputs supporting single-ended or differential measurement with internal reference (2.5 V) |
| P00–P07, P10–P17 | General-purpose I/O ports | Configurable as push-pull, open-drain, or input with selectable pull-up; support edge-triggered interrupts |
Key Features
| Feature | Design Value |
|---|---|
| On-chip CAN 2.0B controllers | Dual independent CAN modules with hardware message filtering, automatic retransmission, and error confinement - eliminates need for external CAN protocol ICs |
| Flash with ECC and secure boot | 512 KB Flash with single-bit error correction and double-bit error detection; supports secure boot verification using embedded hash engine |
| Low-power stop mode | Current draw ≤ 25 µA in stop mode with CAN wake-up enabled - extends battery life in always-on vehicle modules |
| Real-time counter with calendar | 32-bit RTC with leap-year compensation and alarm interrupt - enables time-stamped logging without external RTC chip |
| Peripheral I/O register protection | Write-protection bits for critical registers (e.g., clock control, reset configuration) prevent accidental modification during runtime |
Applications
| Automotive Body Control Module | Industrial PLC I/O Subsystem |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Main application MCU executing CAN-based command arbitration, sensor polling, and actuator drive sequencing. Use Value: Dual CAN interfaces enable simultaneous communication with vehicle backbone (CAN-C) and local sub-bus (CAN-L), reducing wiring harness complexity. | Use Scenario: Modular I/O expansion unit for DIN-rail mounted PLCs handling analog sensor inputs and relay outputs in factory automation. IC Role / Device Role / Timing Role: Real-time I/O processor managing 16-channel 12-bit ADC sampling, PWM-controlled valve drivers, and CANopen slave node communication. Use Value: Integrated 64 KB RAM and hardware CAN message RAM eliminate external buffer memory, lowering BOM cost and board area. |
| Smart HVAC Controller | Off-Highway Equipment Monitor |
Use Scenario: Embedded controller for commercial HVAC units regulating fan speed, damper position, and refrigerant flow based on temperature/humidity feedback. IC Role / Device Role / Timing Role: Deterministic real-time controller running PID loops at 10 ms intervals with precise 32-bit RTC timestamping of fault events. Use Value: On-chip 12-bit ADC and 16-bit PWM with dead-time insertion allow direct interfacing to thermistors, humidity sensors, and brushless fan drivers. | Use Scenario: Telematics and health-monitoring unit in construction equipment (e.g., excavators, loaders) reporting engine diagnostics, hydraulic pressure, and GPS location over CAN. IC Role / Device Role / Timing Role: CAN gateway and data aggregator collecting J1939 messages from engine ECU and translating to custom CAN frames for wireless telemetry module. Use Value: Dual CAN controllers operate at independent bit rates (250 kbps for J1939, 500 kbps for telemetry bus), enabling concurrent high- and low-speed communication. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F566TEADFP | RX66T 32-bit MCU with 1 MB Flash, FPU, and single CAN FD controller - higher performance but no dual CAN 2.0B | Better suited for motor control with FPU acceleration; lacks native dual-CAN legacy compatibility | Select when migrating to CAN FD or requiring floating-point math for advanced control algorithms |
| UPD70F3792GA-UEU-AX | V850ES/JH3-H variant with identical dual CAN 2.0B, same LQFP-144 package, but 384 KB Flash and 48 KB RAM | Direct footprint-compatible alternative with reduced memory - suitable for cost-sensitive derivatives | Select when application firmware fits within 384 KB Flash and does not require full 64 KB RAM allocation |
Compared with R5F566TEADFP and UPD70F3792GA-UEU-AX, the UPD70F3824GB-GAH-AX uniquely balances dual CAN 2.0B legacy support, 512 KB Flash headroom for field updates, and −40°C to +125°C operation - making it optimal for automotive body electronics where CAN protocol stability and thermal robustness are non-negotiable.
Availability
UPD70F3824GB-GAH-AX is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC I/O subsystems, and smart HVAC controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for UPD70F3824GB-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 global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The V850ES/JG3-H product line delivers high-reliability 32-bit MCUs optimized for automotive body electronics and industrial control systems requiring CAN 2.0B, extended temperature operation, and functional safety readiness.
FAQ
What is the maximum operating frequency and voltage range for the UPD70F3824GB-GAH-AX?
The UPD70F3824GB-GAH-AX operates at a maximum frequency of 40 MHz with a supply voltage range of 4.5 V to 5.5 V for VDD and 3.0 V to 5.5 V for AVDD. These specifications are defined in Chapter 33 of the Hardware User's Manual Rev.5.10 and ensure stable execution under automotive battery fluctuation conditions. The UPD70F3824GB-GAH-AX includes internal voltage regulators and clock fail-safe logic to maintain operation during transient dips.
Does the UPD70F3824GB-GAH-AX support CAN FD or only classical CAN 2.0B?
The UPD70F3824GB-GAH-AX supports only CAN 2.0B - not CAN FD. Its dual CAN controllers implement full CAN 2.0B compliance including identifier masking, message object RAM, and automatic retransmission. CAN FD capability is absent in the V850ES/JG3-H architecture; users requiring CAN FD must select RX72M or RA6T2 series devices. The UPD70F3824GB-GAH-AX remains ideal for legacy automotive networks where 1 Mbps classical CAN is mandated.
What debug interface does the UPD70F3824GB-GAH-AX use, and is JTAG supported?
The UPD70F3824GB-GAH-AX uses the on-chip debug (OCD) interface via pins P50–P53 configured as debug port (NMI, TDI, TDO, TCK), compatible with QB-V850MINI and QB-MINI2 emulators. JTAG is not implemented; instead, Renesas' proprietary OCD protocol provides full breakpoint, watchpoint, and memory access functionality. The UPD70F3824GB-GAH-AX debug interface supports flash programming and real-time trace without halting CPU execution.
Is the UPD70F3824GB-GAH-AX qualified for automotive applications, and what AEC-Q200 grade does it meet?
The UPD70F3824GB-GAH-AX is rated for automotive use per Renesas' "High Quality" grade, supporting operation from −40°C to +125°C and qualified to AEC-Q100 Grade 2 (not AEC-Q200, which applies to passive components). It is intended for body electronics, chassis, and infotainment systems - excluding safety-critical airbag or brake control. The UPD70F3824GB-GAH-AX incorporates built-in self-test (BIST) for Flash and RAM, meeting ISO 26262 ASIL-B readiness requirements.
How is the reset behavior configured on the UPD70F3824GB-GAH-AX, and does it include a windowed watchdog?
The UPD70F3824GB-GAH-AX features an asynchronous active-low RESET pin with internal pull-up and a programmable windowed watchdog timer (WDT) driven by an independent on-chip 15 kHz oscillator. The WDT window can be configured via the WDTE and WDTS bits in the system control register, allowing timeout periods from 128 ms to 8.2 s. The UPD70F3824GB-GAH-AX reset vector is fixed at 0x0000_0000, and all I/O pins enter high-impedance state until initialization completes.
UPD70F3824GB-GAH-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- V850ES/Jx3-H
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 256KB (256K 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:
UPD70F3824GB-GAH-AX FAQ
1.How can I place an order for UPD70F3824GB-GAH-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3824GB-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 UPD70F3824GB-GAH-AX reliable?
The price and inventory of UPD70F3824GB-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 UPD70F3824GB-GAH-AX is usually 5 days.
3.What payment methods are accepted for UPD70F3824GB-GAH-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3824GB-GAH-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3824GB-GAH-AX?
UPD70F3824GB-GAH-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3824GB-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 UPD70F3824GB-GAH-AX?
For technical support, including UPD70F3824GB-GAH-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3824GB-GAH-AX requirements.
6.How does Aetrix verify that UPD70F3824GB-GAH-AX is sourced from the original manufacturer or authorized distributors?
All UPD70F3824GB-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 UPD70F3824GB-GAH-AX meets industry standards.
7.What is the process for return or replacement of UPD70F3824GB-GAH-AX?
All UPD70F3824GB-GAH-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3824GB-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 UPD70F3824GB-GAH-AX part is unused and in its original packaging.
Return procedure for UPD70F3824GB-GAH-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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