Renesas Electronics America Inc UPD70F3841GC-UEU-AX

Mfr. Part

UPD70F3841GC-UEU-AX

Manufacturer

Renesas Electronics Corporation

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Detailed Description

32-bit V850ES microcontroller with 768 KB on-chip Flash, 80 KB SRAM, 83 I/O pins, and rich mixed-signal and timing peripherals. Runs up to 20 MHz. Operates from 2.0 to 3.6 V. Temperature range -40 to +85°C. Packaged in a 100-pin LQFP for surface-mount assembly. RoHS3 compliant.

Key Features

32-bit single-core V850ES CPU at up to 20 MHz

768 KB Flash program memory

80 KB SRAM (80K x 8)

83 general-purpose I/O pins

A/D 12 channels at 10-bit resolution

D/A 2 channels at 8-bit resolution

Peripherals including DMA, LVD, PWM, WDT

Connectivity options CSI, EBI/EMI, IC, UART/USART

Internal oscillator

Wide supply voltage 2.0 to 3.6 V

Industrial temperature range -40 to +85°C

Series V850ES/Jx3-L, base product UPD70F3841

RoHS3 compliant

Key Advantages

Balanced performance and power for cost-sensitive embedded systems

Large on-chip Flash and SRAM simplify complex firmware and real-time tasks

Rich analog plus timer set enables sensor interfacing, motor control, and power management without extra ICs

Broad connectivity options support external memory interfaces and serial communications

Proven V850ES architecture with stable toolchain and ecosystem

Wide operating voltage and temperature increase design robustness

Surface-mount LQFP simplifies assembly and rework compared to BGA

Packaging

Package type 100-LQFP, surface mount, gull-wing leads

Material plastic encapsulated epoxy mold with copper leadframe, lead-free plating

Delivery format tray

Pin configuration 100 pins total with 83 GPIO available, dedicated pins for power, ground, analog, clocks, and interfaces. Refer to the datasheet for exact pinout and multiplexing

Typical mechanical attributes low-profile square footprint with fine-pitch leads. Refer to the package drawing in the datasheet for exact body size, lead pitch, and height

Thermal characteristics designed for -40 to +85°C ambient operation. Actual thermal resistance depends on PCB and airflow. See datasheet and package application notes for θJA/θJC guidance

Electrical properties supply 2.0 to 3.6 V, core at 20 MHz max, integrated 12x10-bit ADC and 2x8-bit DAC, internal oscillator, LVD, PWM, WDT, DMA

Lifecycle

Current status not publicly flagged as end-of-life at last update, but lifecycle can change. Availability may vary by region and time

Pin-compatible or direct-drop-in equivalents are not confirmed. Variants within the V850ES/Jx3-L family may offer different memory sizes or features, but exact compatibility must be verified

For confirmed equivalents or recommended alternatives, please contact our sales team via the Y-IC website. We will provide a tailored cross-reference and migration guidance

Key Application Areas

Automotive body and comfort ECUs, instrument clusters, seat and window controllers

Industrial control and automation, PLC modules, sensor hubs, actuator drivers

Motor control for fans, pumps, and small appliances using PWM and ADC feedback

Human-machine interfaces, keypads, simple displays, audio beeps with DAC

Communication gateways and protocol bridges using UART/USART and CSI

Battery-powered and low-voltage embedded devices in the 2.0 to 3.6 V range

Datasheet

Y-IC hosts the most authoritative datasheet for UPD70F3841GC-UEU-AX on our product page. Download it now to get exact pinouts, electrical specs, timing, and package drawings for design and validation.

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