Renesas UPD70F3030BGC-8EU-A
- Part No.:
- UPD70F3030BGC-8EU-A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
UPD70F3030BGC-8EU-A.pdf
- Description:
- IC MCU 32BIT 256KB FLSH 100LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,819
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
UPD70F3030BGC-8EU-A from Renesas Electronics is a 32-bit V850/SB1 single-chip microcontroller with 256 KB flash memory, 16 KB RAM, 10-bit 12-channel A/D converter, six DMA channels, and dual UART/CSI/I²C interfaces. It operates at up to 20 MHz (50 ns min instruction time) and targets AV equipment control with real-time I/O, timer/counters, and power-saving HALT/IDLE/STOP modes.
For engineers reviewing the UPD70F3030BGC-8EU-A datasheet, UPD70F3030BGC-8EU-A pinout, UPD70F3030BGC-8EU-A application, or UPD70F3030BGC-8EU-A equivalent, this page delivers verified technical context, package mapping, functional pin definitions, and validated alternative options for automotive audio, digital TV, and car navigation system design.
Technical Context
The UPD70F3030BGC-8EU-A implements the V850/SB1 32-bit RISC CPU core with 32 general-purpose registers, signed multiplication, saturation arithmetic, and 32-bit barrel shifter. Its memory architecture supports 16 MB linear address space with on-chip flash for in-system reprogramming.
It integrates dual asynchronous serial interfaces (UART0/UART1), four clocked serial interfaces (CSI0–CSI3), one 3-wire variable-length CSI4, two I²C buses (I²C0/I²C1), 16-bit TM0/TM1 timers, six 8-bit timers (TM2–TM7), watchdog and watch timers, and real-time output port (RTP) with external trigger support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850/SB1 32-bit RISC with 74 instructions and 32×32-bit register file |
| Max Clock Speed | 20 MHz internal operation → 50 ns minimum instruction execution time |
| Flash Memory | 256 KB on-chip flash enabling field firmware updates without ROM mask changes |
| RAM | 16 KB on-chip SRAM for program/data storage and stack operations |
| A/D Converter | 10-bit resolution, 12-channel analog input with external trigger (ADTRG) support |
| Serial Interfaces | 2× UART, 4× CSI, 1× variable-length CSI, 2× I²C (I²C0/I²C1) |
| Timers | 2× 16-bit timers (TM0/TM1), 6× 8-bit timers (TM2–TM7), watchdog, and watch timer |
| I/O Pins | 83 total I/O lines including 8-bit RTP, key return (KR0–KR7), and interrupt-capable ports |
Pinout & Package
UPD70F3030BGC-8EU-A uses a 100-pin plastic LQFP (fine pitch, 14 × 14 mm) package with EVDD/EVSS power domains for I/O ports, AVDD/AVSS for analog circuitry, and BVDD/BVSS for bus interface. Pin functions are fully defined per Renesas Data Sheet U14734EJ3V0DS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | NMI input | Non-maskable interrupt request for critical system events |
| P10–P15 | Port 1 I/O | 6-bit programmable bidirectional port with SCK1/ASCK0 alternate function |
| P20–P27 | Port 2 I/O | 8-bit programmable bidirectional port supporting SI2/SDA1 (I²C) on P20 and SCK2/SCL1 on P22 |
| P34–P37 | Port 3 outputs | TO0–TO5 timer outputs and A13–A15 address lines; multiplexed for external memory expansion |
| P40–P57 | Port 4/5 I/O | 16-bit AD0–AD15 multiplexed address/data bus for external memory interfacing |
| P90–P96 | Port 9 control | LBEN/WRL, UBEN, R/W/WRH, DSTB/RD, ASTB, HLDAK, HLDRQ for 16-bit bus timing and arbitration |
| P100–P107 | Port 10 I/O | RTP0–RTP7 real-time output port with KR0–KR7 key return capability and A5–A12 address mapping |
| AVREF | Analog reference | External precision reference voltage input for 10-bit A/D converter accuracy |
| VPP | Programming supply | Connect to VSS in normal operation; required only during flash write/verify cycles |
Key Features
| Feature | Design Value |
|---|---|
| Flash-based firmware update | Enables in-system programming without replacing hardware-critical for iterative AV product development |
| Dual I²C interfaces | Supports concurrent communication with multiple sensors, EEPROMs, or audio codecs in compact AV systems |
| Real-time output port (RTP) | 8-bit synchronized output with external trigger (RTPTRG) for precise timing of display backlight or motor control |
| 12-channel 10-bit A/D | Direct sensing of potentiometers, thermistors, and IR receiver signals without external ADC components |
| Power-saving modes | HALT/IDLE/STOP states reduce current consumption during standby-essential for battery-backed car audio systems |
| On-chip ROM correction | 4 programmable correction locations allow post-silicon bug fixes in flash-resident code |
Applications
| Car Audio Head Unit | Digital Television Tuner |
|---|---|
Use Scenario: Central controller managing FM/AM/DAB radio, Bluetooth audio streaming, and touchscreen UI in automotive infotainment. IC Role / Device Role / Timing Role: Main MCU executing real-time audio decoding, key scan (KR0–KR7), and IR remote reception via P06/RTPTRG and ANI0–ANI11. Use Value: Integrated 12-channel A/D eliminates external signal conditioning; flash memory enables OTA firmware patches for new codec support. | Use Scenario: Signal processing and channel selection logic in HD digital TV receivers with HDMI and USB peripherals. IC Role / Device Role / Timing Role: System controller handling tuner I²C configuration (I²C0/I²C1), video timing sync via TO0–TO5, and front-panel LED/key management. Use Value: Dual UARTs support debug console and CI+ CAM interface; 16 MB address space accommodates large firmware images for DVB-T2 demodulation stacks. |
| Portable Media Player | Set-Top Box Remote Control Interface |
Use Scenario: Low-power portable device playing MP3/WMA files from SD card with OLED display and volume control. IC Role / Device Role / Timing Role: Host processor running RTOS, managing SPI SD card interface (via CSI0), and reading rotary encoder inputs on P30/TI00 and P31/TI01. Use Value: 83 I/O lines enable direct button matrix scanning and display driver control; STOP mode reduces standby current to <10 µA. | Use Scenario: IR receiver subsystem decoding NEC/RC-5 protocols and relaying commands to main SoC via UART or GPIO. IC Role / Device Role / Timing Role: Dedicated IR front-end MCU using P05/ADTRG for precise pulse-width measurement and P70–P77 for analog IR signal acquisition. Use Value: On-chip 10-bit A/D with external trigger captures IR carrier bursts at 38 kHz; integrated timers eliminate need for external timing ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UPD70F3033AGC-8EU | Same V850/SB1 core, identical 256 KB flash, 16 KB RAM, and pinout-but includes I²C0/I²C1 interfaces (P10/P12/P20/P22) | Required where dual I²C buses are needed for sensor + EEPROM + audio codec concurrency | Select UPD70F3033AGC-8EU if I²C peripheral count exceeds UPD70F3030BGC-8EU-A's zero I²C support |
| UPD70F3032AGC-8EU | 512 KB flash, 24 KB RAM, same package-no I²C; adds enhanced DMA and larger address space | Suitable for complex AV firmware with large GUI assets or multi-format decoder stacks | Choose UPD70F3032AGC-8EU when code footprint exceeds 256 KB or additional RAM is required for audio buffering |
Compared with UPD70F3033AGC-8EU and UPD70F3032AGC-8EU, the UPD70F3030BGC-8EU-A offers optimized cost and power for entry-level AV controllers where I²C is unused and firmware fits within 256 KB-making it ideal for cost-sensitive car stereo head units and portable media players.
Availability
UPD70F3030BGC-8EU-A is available at Aetrix Electronics and suitable for car audio systems, digital television tuners, portable media players, and set-top box remote control interfaces requiring stable component supply across extended production lifecycles.
Supply support for UPD70F3030BGC-8EU-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 consumer markets.
The V850/SB1 product line-including UPD70F3030BGC-8EU-A-is designed specifically for high-reliability, low-power AV equipment control, emphasizing real-time responsiveness, integrated peripherals, and flash-based field-upgradability.
FAQ
What is the maximum operating frequency of the UPD70F3030BGC-8EU-A?
The UPD70F3030BGC-8EU-A supports internal operation up to 20 MHz, delivering a minimum instruction execution time of 50 ns. This frequency is achieved using the on-chip oscillator with external crystal (X1/X2) or resonator (XT1/XT2), and is validated across commercial temperature ranges per Renesas Data Sheet U14734EJ3V0DS.
Does the UPD70F3030BGC-8EU-A include I²C interface capability?
No, the UPD70F3030BGC-8EU-A does not include I²C interface functionality. Unlike the UPD70F3033AYGC-8EU variant, this part lacks SCL0/SDA0 and SCL1/SDA1 pins. I²C support is exclusive to the "Y" suffix variants (e.g., UPD70F3033AYGC-8EU) per Renesas ordering documentation and pin configuration tables.
What package type and dimensions does the UPD70F3030BGC-8EU-A use?
The UPD70F3030BGC-8EU-A uses a 100-pin plastic LQFP (fine pitch) package measuring 14 mm × 14 mm with 0.5 mm lead pitch. This matches the "GC" suffix designation in the ordering information and is confirmed in the pin configuration diagrams of Renesas Data Sheet U14734EJ3V0DS.
How much on-chip memory does the UPD70F3030BGC-8EU-A provide?
The UPD70F3030BGC-8EU-A integrates 256 KB of on-chip flash memory for program storage and 16 KB of SRAM for data and stack operations. These values are explicitly specified in the "FEATURES" section and "DIFFERENCES AMONG PRODUCTS" table of Renesas Data Sheet U14734EJ3V0DS.
Can the UPD70F3030BGC-8EU-A be used in automotive applications?
The UPD70F3030BGC-8EU-A is classified as a "Standard" quality grade device per Renesas quality policy, intended for AV equipment-not safety-critical automotive systems. It is suitable for infotainment head units but not for engine control, braking, or ADAS functions requiring "High Quality" or "Specific" grade certification.
UPD70F3030BGC-8EU-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- V850/Sx1
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- V850
- Core Size:
- 32-Bit Single-Core
- Speed:
- 20MHz
- Connectivity:
- CSI, EBI/EMI, UART/USART
- Peripherals:
- PWM
- Number of I/O:
- 83
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3030BGC-8EU-A FAQ
1.How can I place an order for UPD70F3030BGC-8EU-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3030BGC-8EU-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 UPD70F3030BGC-8EU-A reliable?
The price and inventory of UPD70F3030BGC-8EU-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3030BGC-8EU-A is usually 5 days.
3.What payment methods are accepted for UPD70F3030BGC-8EU-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3030BGC-8EU-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3030BGC-8EU-A?
UPD70F3030BGC-8EU-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3030BGC-8EU-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 UPD70F3030BGC-8EU-A?
For technical support, including UPD70F3030BGC-8EU-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3030BGC-8EU-A requirements.
6.How does Aetrix verify that UPD70F3030BGC-8EU-A is sourced from the original manufacturer or authorized distributors?
All UPD70F3030BGC-8EU-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 UPD70F3030BGC-8EU-A meets industry standards.
7.What is the process for return or replacement of UPD70F3030BGC-8EU-A?
All UPD70F3030BGC-8EU-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3030BGC-8EU-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 UPD70F3030BGC-8EU-A part is unused and in its original packaging.
Return procedure for UPD70F3030BGC-8EU-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UPD70F3030BGC-8EU-A Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

