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Renesas UPD70F3033BYGC-8EU-A
- Part No.:
- UPD70F3033BYGC-8EU-A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
UPD70F3033BYGC-8EU-A.pdf
- Description:
- IC MCU 32BIT 256KB FLSH 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,219
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Product details
Overview
UPD70F3033BYGC-8EU-A from Renesas Electronics is a 32-bit V850/SB1 single-chip microcontroller with 256 KB flash memory, 16 KB RAM, 83 I/O lines, 10-bit 12-channel A/D converter, and integrated UART/CSI/I²C serial interfaces. It operates at up to 20 MHz (50 ns min instruction time) and targets AV equipment including car audio and digital TV systems.
For engineers reviewing the UPD70F3033BYGC-8EU-A datasheet, UPD70F3033BYGC-8EU-A pinout, UPD70F3033BYGC-8EU-A application, or UPD70F3033BYGC-8EU-A equivalent, key selection criteria include flash-based in-system reprogrammability, 100-pin LQFP (14×14 mm) package compatibility, real-time output port support, and I²C interface availability in the 'Y' variant.
Technical Context
The UPD70F3033BYGC-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 external bus interface (A1–A21, AD0–AD15, RD/WR, ASTB/DSTB).
Peripheral integration includes six 8-bit timers (TM2–TM7), two 16-bit timers (TM0/TM1), watchdog and watch timers, 6-channel DMA controller, and dual UARTs with baud rate clock inputs (ASCK0/ASCK1). The 'Y' suffix confirms inclusion of I²C0/I²C1 interfaces and SDA0/SDA1/SCL0/SCL1 pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850/SB1 32-bit RISC with 74 instructions and 50 ns min execution time @ 20 MHz |
| Flash Memory | 256 KB on-chip flash enabling in-system programming and field firmware updates |
| RAM | 16 KB on-chip SRAM for program/data storage and stack operations |
| A/D Converter | 10-bit resolution, 12-channel analog-to-digital converter with external trigger (ADTRG) |
| Serial Interfaces | 2× UART, 4× CSI, 1× variable-length 3-wire CSI, 2× I²C (I²C0/I²C1) - confirmed for 'Y' variant |
| Timer System | 2× 16-bit timers (TM0/TM1), 6× 8-bit timers (TM2–TM7), plus watchdog and watch timers |
| I/O Count | 83 total I/O lines including 8-bit real-time output port (RTP0–RTP7) and key return inputs (KR0–KR7) |
Pinout & Package
Package: 100-pin plastic LQFP (fine pitch), 14 mm × 14 mm body, 0.5 mm lead pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | NMI input | Non-maskable interrupt request; requires external pull-up per datasheet |
| P10–P15 | Port 1 I/O | 6-bit programmable I/O supporting SI0/SDA0, SO0, SCK0/SCL0, SI1/RXD0, SO1/TXD0, SCK1/ASCK0 |
| P20–P25 | Port 2 I/O | 8-bit I/O with SI2/SDA1, SO2, SCK2/SCL1, SI3/RXD1, SO3/TXD1, SCK3/ASCK1 |
| P34–P37 | Port 3 I/O | 8-bit I/O supporting TO0/A13/SCK4, TO1/A14, TI4/TO4/A15, TI5/TO5 |
| P90–P96 | Port 9 I/O | 7-bit bus control port: LBEN/WRL, UBEN, R/W/WRH, DSTB/RD, ASTB, HLDAK, HLDRQ |
| P100–P107 | Port 10 I/O | 8-bit I/O with RTP0–RTP7, KR0–KR7, and A5–A12 address multiplexing |
| AVDD/AVSS | Analog power/ground | Dedicated 3.3 V analog supply and ground for A/D converter and reference circuitry |
| VPP | Programming voltage | Connect to VSS in normal operation; required at 12.5 V for flash write/verify cycles |
Key Features
| Feature | Design Value |
|---|---|
| Flash memory replaceability | Direct replacement for mask-ROM µPD703033AYGC-8EU in mass production after code migration |
| I²C interface support | Two full I²C buses (I²C0/I²C1) with dedicated SDA0/SDA1 and SCL0/SCL1 pins - exclusive to 'Y' variants |
| Real-time output port | 8-bit RTP (RTP0–RTP7) with external trigger (RTPTRG) for precise timing-critical waveform generation |
| Power-saving modes | HALT, IDLE, and STOP modes reduce current consumption during system standby or low-activity periods |
| ROM correction capability | 4 locations for post-fabrication ROM patching - retained in flash version for firmware bug fixes |
Applications
| Car Audio Systems | Digital Television Receivers |
|---|---|
Use Scenario: Front-panel key scanning, audio codec control, and IR remote signal decoding in automotive head units. IC Role / Device Role / Timing Role: Main system controller managing real-time key return (KR0–KR7), IR pulse timing via RTPTRG, and UART-based communication with display modules. Use Value: Integrated 8-bit real-time output port and key return inputs eliminate external glue logic; I²C support enables direct connection to EEPROM and sensor ICs. | Use Scenario: Tuner control, OSD generation, and HDMI CEC management in flat-panel TV mainboards. IC Role / Device Role / Timing Role: System management MCU handling I²C-based tuner register access, UART debug interface, and 10-bit A/D monitoring of power supply rails. Use Value: Dual I²C interfaces allow concurrent tuner and EEPROM communication; 12-channel A/D provides comprehensive board-level voltage supervision. |
| Home Theater AV Receivers | Set-Top Box Control Units |
Use Scenario: Source switching logic, remote control decoding, and audio format negotiation in multi-input AV receivers. IC Role / Device Role / Timing Role: Central control unit using CSI interfaces for digital audio transport, UART for RS-232 diagnostics, and RTP for IR carrier generation. Use Value: Six 8-bit timers enable independent timing for multiple IR protocols; flash memory allows field-upgradable remote command tables. | Use Scenario: Conditional access module (CAM) interface, smart card communication, and EPG data parsing in DVB-C/S/T set-top boxes. IC Role / Device Role / Timing Role: Secure peripheral controller managing ISO7816 smart card interface via UART0, I²C0 for CAM EEPROM, and A/D for tamper detection voltage monitoring. Use Value: On-chip 10-bit A/D converter monitors physical security sensors; flash memory supports secure firmware updates for conditional access algorithms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UPD70F3033AGC-8EU | No I²C0/I²C1 interfaces; lacks SDA0/SDA1/SCL0/SCL1 pins | Not suitable for designs requiring dual I²C buses (e.g., tuner + EEPROM) | Select only if I²C is unused and cost reduction is critical |
| UPD70F3033AYGF-3BA | Same functionality but 100-pin QFP (14×20 mm) package with different pin pitch and layout | Requires PCB redesign due to incompatible footprint and thermal pad geometry | Choose only when LQFP thermal or mechanical constraints prohibit 14×14 mm form factor |
Compared with UPD70F3033AGC-8EU, the UPD70F3033BYGC-8EU-A adds essential I²C support for sensor/tuner interfacing; versus UPD70F3033AYGF-3BA, it delivers identical functionality in a smaller, finer-pitch LQFP package optimized for space-constrained AV front-ends.
Availability
UPD70F3033BYGC-8EU-A is available at Aetrix Electronics and suitable for car audio systems, digital television receivers, home theater AV receivers, and set-top box control units requiring stable component supply across design-in, prototyping, and volume production phases.
Supply support for UPD70F3033BYGC-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 formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power solutions.
The V850/SB1 product line, including UPD70F3033BYGC-8EU-A, was designed specifically for cost-sensitive, high-reliability AV equipment requiring flash-based flexibility and rich peripheral integration.
FAQ
What is the maximum operating frequency of the UPD70F3033BYGC-8EU-A?
The UPD70F3033BYGC-8EU-A achieves a minimum instruction execution time of 50 ns, corresponding to a maximum internal operating frequency of 20 MHz. This timing is guaranteed under specified VDD (3.0–3.6 V) and temperature conditions per the U14734EJ3V0DS datasheet. External clock sources (X1/X2, XT1/XT2) must meet drive strength and stability requirements to sustain this performance.
Does the UPD70F3033BYGC-8EU-A support in-system programming of its flash memory?
Yes, the UPD70F3033BYGC-8EU-A supports full in-system programming (ISP) of its 256 KB flash memory using the VPP pin (Pin IC/VPP) at 12.5 V during write/verify cycles. Programming requires the Renesas Flash Development Toolkit and compatible debug interface; no external programmer is needed once the boot loader is deployed.
Which serial interfaces are available on the UPD70F3033BYGC-8EU-A?
The UPD70F3033BYGC-8EU-A integrates UART0/UART1, CSI0–CSI4 (including variable-length 3-wire mode), and two I²C interfaces (I²C0/I²C1). The 'Y' suffix explicitly confirms I²C support - pins SDA0/SDA1 and SCL0/SCL1 are functional and electrically characterized per the datasheet's Pin Functions section.
What is the purpose of the RTP and KR pins on the UPD70F3033BYGC-8EU-A?
The UPD70F3033BYGC-8EU-A features an 8-bit real-time output port (RTP0–RTP7, Pins P100–P107) for generating precise waveforms, and 8 key return inputs (KR0–KR7, same pins) for matrix keypad scanning. Both functions share the same physical pins and are selected via internal register configuration, enabling compact remote-control subsystems without external components.
Is the UPD70F3033BYGC-8EU-A pin-compatible with mask-ROM versions like UPD703033AYGC-8EU?
Yes, the UPD70F3033BYGC-8EU-A is pin-compatible with UPD703033AYGC-8EU and shares identical 100-pin LQFP (14×14 mm) packaging, pinout, and electrical characteristics. The primary difference is internal memory type (flash vs. mask ROM); all peripheral signals, power pins, and timing parameters remain functionally identical.
UPD70F3033BYGC-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:
UPD70F3033BYGC-8EU-A FAQ
1.How can I place an order for UPD70F3033BYGC-8EU-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3033BYGC-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 UPD70F3033BYGC-8EU-A reliable?
The price and inventory of UPD70F3033BYGC-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 UPD70F3033BYGC-8EU-A is usually 5 days.
3.What payment methods are accepted for UPD70F3033BYGC-8EU-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3033BYGC-8EU-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3033BYGC-8EU-A?
UPD70F3033BYGC-8EU-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3033BYGC-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 UPD70F3033BYGC-8EU-A?
For technical support, including UPD70F3033BYGC-8EU-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3033BYGC-8EU-A requirements.
6.How does Aetrix verify that UPD70F3033BYGC-8EU-A is sourced from the original manufacturer or authorized distributors?
All UPD70F3033BYGC-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 UPD70F3033BYGC-8EU-A meets industry standards.
7.What is the process for return or replacement of UPD70F3033BYGC-8EU-A?
All UPD70F3033BYGC-8EU-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3033BYGC-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 UPD70F3033BYGC-8EU-A part is unused and in its original packaging.
Return procedure for UPD70F3033BYGC-8EU-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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