Renesas Electronics

M30855FJGP#U3 - 16/32-Bit M32C/85 MCU, 512KB Flash, 144-LQFP | Renesas

部品番号: M30855FJGP#U3 ✓ 生産中
在庫あり 1〜3営業日以内に発送
3 V to 5.5 V Vdss 144-LFQFP (20x20 mm) Package 32 MHz Speed 512 KB (512K x 8) Memory
開始価格 $22.15 USD / 個
MOQ: 1 |
価格更新日: 2026-10-08
ボリューム価格
数量 単価 小計
1 $38.5724 $38.57
10 $34.72 $347.20
100 $28.93 $2,893.00
500 $25.07 $12,535.00
1,000 $22.15 $22,150.00
ℹ️ すべての価格はUSDです

M30855FJGP#U3 概要

The Renesas M30855FJGP#U3 is a 16/32-bit single-chip CMOS microcontroller from the M32C/80 series (M32C/85 group) operating at up to 32 MHz, integrating 512 KB of on-chip flash program memory and 24 KB of RAM in a 144-pin LFQFP (20x20 mm) package. The part is specified over an industrial temperature range of -40C to +85C and operates from a 3 V to 5.5 V supply, making it compatible with both 3.3 V and 5 V system designs. The M30855FJGP#U3 offers 121 general-purpose I/O pins, multiple on-chip peripherals including timers, serial interfaces (UART/SIO/I2C), an A/D converter, and DMA channels for high-throughput embedded control.

A microcontroller (MCU) is a self-contained computing subsystem that integrates a CPU core, program and data memory, peripherals, and I/O on a single silicon die. Within the broader semiconductor taxonomy, MCUs belong to the integrated circuits family, specifically the microcontroller subcategory, and sit below microprocessors in complexity while providing complete embedded-control functionality. The M32C/80 platform is Renesas' legacy 16-bit CISC architecture with 32-bit internal registers, popular in industrial automation, automotive body controllers, and consumer appliances.

Key features of the M30855FJGP#U3 include 512 KB flash program memory (512K x 8), 24 KB of RAM (24K x 8), a maximum operating frequency of 32 MHz, an internal oscillator, and 121 user I/O pins routed through the 144-LFQFP package. The wide 3 V to 5.5 V supply range simplifies integration into both legacy 5 V designs and modern 3.3 V subsystems without level shifters, while the industrial temperature grade enables deployment in factory, automotive cabin, and outdoor equipment.

The M32C/85 core architecture uses a CISC instruction set optimized for compact code density, with hardware multipliers, multiple register banks, and a rich interrupt controller that supports real-time control loops. The integrated DMA reduces CPU load for high-speed peripheral transactions such as serial communication and A/D conversion.

Typical applications for the M30855FJGP#U3 include industrial factory automation systems, automotive body electronics, consumer appliance control boards, and general-purpose 16-bit embedded platforms. Engineers select this part for designs that require a mature, well-supported Renesas M16C/M32C software ecosystem.

When designing with the M30855FJGP#U3, ensure that the chosen emulator/debugger (such as the E8a or E10A-USB) matches the device group, and follow the M32C/85 hardware manual pin-function assignment tables to avoid peripheral conflicts on the 121 I/O pins.

This page synthesizes verified distributor pricing, drop-in alternative MPNs from the Renesas M16C/M32C family, and practical design notes not consolidated on any single manufacturer page.

ドロップイン代替品: M30855FJGP#U3 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

クイック比較ツール — 並列比較する代替部品を選択:

M30855FJGP#U5

✅ ドロップイン
📦 144-LFQFP (20x20)
same 144-LFQFP package, 512 KB flash, 24 KB RAM, 32 MHz; #U5 vs #U3 differs in operating temperature grade

📋 参考代替品(カタログ未掲載)

M30855FHGP#U3

✅ ドロップイン
📦 144-LFQFP (20x20)
same 144-LFQFP package and pinout, lower flash density (F variant) compared to J variant 512 KB

📋 参考代替品(カタログ未掲載)

M30853FJGP

✅ ドロップイン
📦 144-LFQFP (20x20)
same 144-LFQFP package, M16C/80 family; M30853 has smaller flash than M30855 (-30%)

📋 参考代替品(カタログ未掲載)

M30857FJGP

✅ ドロップイン
📦 144-LFQFP (20x20)
same 144-LFQFP package, M16C/80 family; M30857 has larger flash than M30855

📋 参考代替品(カタログ未掲載)

M30853FHGP#35

✅ ドロップイン
📦 144-LFQFP (20x20)
same 144-LFQFP package, M16C/83 group; smaller flash vs M30855FJGP#U3

📋 参考代替品(カタログ未掲載)

M30855FJGP#U3 最大定格&電気的特性

Manufacturer Renesas Electronics
Series M32C/80 (M32C/80/85 group)
Core Architecture M16C / M32C 16/32-bit CISC
Core Size 16/32-Bit
最大クロック周波数 32 MHz
Program Memory Size 512 KB (512K x 8)
Program Memory Type FLASH
RAM Size 24 KB (24K x 8)
Number of I/O Pins 121
Supply Voltage Range 3 V to 5.5 V
動作温度範囲 -40C to +85C (Industrial)
パッケージ / ケース 144-LFQFP (20x20 mm)
Oscillator Type Internal
A/D Converter 10-bit (per JLCPCB listing)
実装タイプ Surface Mount
RoHS ステータス Compliant (Pb-Free per Mouser listing)
Lead-Free Yes

M30855FJGP#U3 144-lfqfp (20x20 mm) ピン配置ガイド

M30855FJGP#U3 (144-lfqfp (20x20 mm) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。

M30855FJGP#U3 の 144-lfqfp (20x20 mm) パッケージピン配置図

詳細なピン配置データはありません: M30855FJGP#U3.

詳細は データシート をご参照ください。

主な用途

M30855FJGP#U3 の用途: 6 件s: Industrial Factory Automation Controllers, Automotive Body Electronics, Consumer Appliance Control Boards, Building Automation HVAC Systems, Medical Monitoring Equipment, Point-of-Sale Terminals.

🏭

Industrial Factory Automation Controllers

The M30855FJGP#U3 fits industrial factory automation controllers because its 32 MHz M32C/85 core, 512 KB flash, and 121 I/O pins comfortably drive multi-axis motor control panels, sensor hubs, and PLC I/O expansion boards. With 24 KB RAM the part handles real-time scheduling and Modbus/RTU communication buffers without external memory. The 3 V to 5.5 V supply range allows direct interfacing with 24 V-derived 5 V backplanes, while the -40C to +85C industrial temperature grade tolerates unconditioned cabinet environments near motor drives.

🚗

Automotive Body Electronics

Body and chassis ECUs for HVAC, instrument clusters, and lighting controllers leverage the M30855FJGP#U3's wide 3 V to 5.5 V supply tolerance to ride through crank-dump transients on automotive 12 V buses. The 512 KB flash holds LIN/CAN stack, bootloader, and diagnostic firmware for body controllers, and the 121 I/O pins drive multiplexed switch matrices and LED drivers without external I/O expanders. The industrial temperature grade covers cabin environments but not under-hood applications - use AEC-Q100 parts for those designs.

⚡

Consumer Appliance Control Boards

Washing machines, induction cookers, and air-conditioner outdoor units deploy the M30855FJGP#U3 as the main controller because its 32 MHz M32C core executes inverter control loops and user-interface firmware concurrently from 512 KB flash. The 24 KB RAM supports touch-button debounce buffers and EEPROM emulation tables for fault logs. The 144-LFQFP package offers enough pins for seven-segment displays, triac drivers, and rotary encoders, while the -40C to +85C range handles kitchen and laundry-room ambient temperatures.

🧩

Building Automation HVAC Systems

Building automation HVAC controllers rely on the M30855FJGP#U3's 121 I/O pins to scan rooftop-unit sensors, damper actuators, and BACnet/Modbus transceivers on a single PCB. The 512 KB flash stores scheduling, fault diagnostics, and firmware update routines; the 24 KB RAM retains trend logs between writes. The 3 V to 5.5 V supply lets the same design work with 24 VAC-derived 5 VDC or 3.3 VDC distribution boards common in commercial buildings. Industrial temperature grade supports unconditioned equipment-room mounting.

💊

Medical Monitoring Equipment

Patient monitors, infusion pumps, and diagnostic analyzers use the M30855FJGP#U3 for primary control because its M32C deterministic interrupt latency and 24 KB RAM provide the deterministic response required for alarm handling. The 512 KB flash holds RTOS kernels and IEC 62304 lifecycle documentation embedded as data. The on-chip 10-bit ADC reduces external analog IC count on battery-powered bedside units. Designers must still verify IEC 60601-1 system-level isolation and EMC compliance on the final assembly.

🖥️

Point-of-Sale Terminals

POS terminals and kiosk controllers use the M30855FJGP#U3 because the 512 KB flash stores the firmware, fonts, and graphic assets for graphical LCD or thermal-printer interfaces, while 24 KB RAM buffers transaction data before flushing to secure storage. The 121 I/O pins support keypad scanning, magnetic-stripe readers, and serial peripherals without external I/O expanders. The 3 V to 5.5 V supply range accommodates both battery-backed and mains-powered POS deployments. Industrial temperature range supports semi-outdoor retail environments.

What is the program memory size of M30855FJGP#U3?
The M30855FJGP#U3 integrates 512 KB of flash program memory organized as 512K x 8, paired with 24 KB of on-chip RAM (24K x 8). According to the Renesas M32C/85 group datasheet, the flash supports on-board programming via single-wire or UART boot mode. The 24 KB RAM is sufficient for stack, heap, and large data buffers commonly used in industrial automation firmware. This memory configuration matches the wider M16C/85 family.
What is the operating voltage range of M30855FJGP#U3?
The M30855FJGP#U3 operates from 3.0 V to 5.5 V on its main supply pin, supporting both 3.3 V and 5 V system designs without external level translation. According to the Mouser listing, this part is rated as a 3 V / 5 V MCU. Designers should add a 0.1 uF decoupling capacitor near each VCC/AVCC pin and follow the M32C/85 hardware manual for analog supply filtering when the on-chip A/D converter is active.
Does M30855FJGP#U3 support industrial temperature range?
Yes. The M30855FJGP#U3 is specified for -40C to +85C industrial operation (I-temp), per the Mouser listing ("MCU 3/5V 512K I-temp, PB-Free"). This temperature window is suitable for factory-floor controllers, automotive cabin electronics, and outdoor enclosures. Designers should still verify that adjacent analog components meet the same I-temp grade to avoid thermal drift on A/D readings.
How does M30855FJGP#U3 differ from M30855FJGP#U5?
Both share the same M32C/85 silicon, 512 KB flash, 24 KB RAM, 144-LFQFP package, and 32 MHz maximum frequency, but differ in operating temperature grade. The #U3 suffix denotes the industrial -40C to +85C range, and the #U5 suffix denotes a wider or different qualification tier. Per the DigiKey listings, both parts share the same pinout and are drop-in compatible in the 144-LFQFP (20x20) footprint.
Where can I download the M30855FJGP#U3 datasheet PDF?
The official Renesas datasheet can be requested via the Renesas product page or downloaded from datasheet aggregators such as Alldatasheet (816 KB, 92-page document). According to the Renesas support site, the M32C/85 hardware manual is published separately and covers peripheral pin-function tables, electrical characteristics, and timing diagrams needed for hardware bring-up. Register your account on the Renesas website to receive PCN notifications.
Where to buy M30855FJGP#U3 online?
The M30855FJGP#U3 is currently in stock at DigiKey (Renesas Electronics Corporation listing) and Mouser Electronics, with pricing as of 2026-10-09 around USD 38.57 for qty-1 and USD 22.15 at qty 1,000. Authorized distributors include DigiKey and Mouser. Lead time on Heisener is approximately Apr 19 - Apr 24 with expedited shipping. Verify RoHS and Pb-Free status before placing volume orders.
What is the lead time for M30855FJGP#U3?
Per the Heisener listing on 2026-10-09, the M30855FJGP#U3 ships in roughly 10 days from Asia (estimated delivery Apr 19 - Apr 24, with expedited shipping available). DigiKey shows the part as "ships today" for the listing page, while Mouser and TrustedParts.com carry authorized inventory. Lead time for production-volume orders should be confirmed with the franchised distributor.
Is M30855FJGP#U3 in stock at major distributors?
Yes. As of 2026-10-09, the M30855FJGP#U3 is listed as in-stock at DigiKey and Mouser, with Heisener reporting approximately 9,948 pieces available. Octopart cross-checks pricing from one or more authorized distributors. For high-volume orders, contact Renesas directly or use a Renesas authorized distributor to ensure supply-chain traceability and avoid counterfeit risk.
What is the best drop-in replacement for M30855FJGP#U3?
The best drop-in replacement within the same M32C/85 family is the M30855FJGP#U5, which shares the same 144-LFQFP package, 512 KB flash, 24 KB RAM, and 32 MHz core but supports a different temperature grade. Both are sourced from Renesas Electronics and slot into the same PCB footprint, so firmware, peripheral pin map, and bootloader all remain identical. Engineers needing more code space should evaluate the M30857FJGP.
What is the difference between M30855FJGP#U3 and M30855FHGP#U3?
Both belong to the Renesas M32C/80 series in the same 144-LFQFP (20x20) package, but differ in flash memory density and/or peripheral set per the M16C family naming convention. The M30855FJGP#U3 integrates 512 KB flash, while the M30855FHGP#U3 may offer a different program memory size. They share the same pinout and are largely drop-in compatible, though firmware size limits must be re-validated if moving from the larger flash variant.
M30855FJGP#U3 vs M30853FHGP#35 - which is better for industrial control?
For industrial control with code sizes up to 512 KB, the M30855FJGP#U3 (M32C/85 group, 144-LFQFP, 32 MHz, 24 KB RAM) provides more headroom than the M30853FHGP#35. The M30853 part typically has less flash or belongs to an earlier M16C/83 group, so choose M30855FJGP#U3 when memory and 121 I/O pins are required. Both parts share the 144-LFQFP footprint and can be swapped on the same PCB if memory constraints are met.
When should I choose M30855FJGP#U3 over M30626FHPFP?
Choose M30855FJGP#U3 when the design needs the larger 512 KB flash, 24 KB RAM, and 121 I/O pins of the M32C/85 group. Choose the M30626FHPFP (M16C/62P group) when code size is below ~384 KB, lower pin count is acceptable, and the firmware targets the M16C/62P peripheral set. Both share a similar M16C family toolchain, but pin mapping and interrupt vector tables differ and must be re-verified.
What are the key specifications of M30855FJGP#U3 that engineers should know?
The M30855FJGP#U3 is a Renesas M32C/85 group MCU with 32 MHz CPU clock, 512 KB flash, 24 KB RAM, 121 I/O pins, 3.0 V to 5.5 V supply, -40C to +85C industrial temperature range, 10-bit A/D converter, and 144-LFQFP (20x20) package. These specifications place it firmly in the industrial 16-bit MCU tier. Designers should also note the M16C/M32C toolchain (NC30, HEW, e2studio) and E8a/E10A-USB debugger requirements.
What is the best cross-brand equivalent for M30855FJGP#U3?
There is no true cross-brand drop-in equivalent for the M30855FJGP#U3 because the M16C/M32C CPU core, peripheral set, and pinout are unique to Renesas. Cross-brand parts such as the NXP MPC56, Infineon XC16x, or Microchip dsPIC33 are functionally similar 16-bit MCUs but require PCB rework, firmware rewrite, and toolchain migration. Per the cross-reference search, only same-brand M16C/M32C variants are drop-in compatible.

エンジニアリング参考データ: M30855FJGP#U3 — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose the M30855FJGP#U3 when your design requires 512 KB flash, 24 KB RAM, 121 I/O pins, and 32 MHz M32C/85 performance in a 144-LFQFP package, particularly for industrial factory automation, automotive body electronics, and appliance controllers. Choose the M30855FJGP#U5 if you need the same silicon but a different temperature qualification tier - both parts share the same PCB footprint and firmware. Choose the M30855FHGP#U3 if your code size fits a smaller flash variant of the same family. Avoid the M30853FJGP only when memory headroom is insufficient.

代替品との比較

パラメータ この製品 M30855FJGP#U5 M30855FHGP#U3 M30853FJGP M30857FJGP M30853FHGP#35
Brand Renesas Electronics Renesas Electronics Renesas Electronics Renesas Electronics Renesas Electronics Renesas Electronics
Package 144-LFQFP (20x20) 144-LFQFP (20x20) - same 144-LFQFP (20x20) - same 144-LFQFP (20x20) - same 144-LFQFP (20x20) - same 144-LFQFP (20x20) - same
Core Architecture M16C/M32C 16/32-bit M16C/M32C 16/32-bit M16C/M32C 16/32-bit M16C/M32C 16/32-bit M16C/M32C 16/32-bit M16C/M32C 16/32-bit
Max Clock Frequency 32 MHz 32 MHz 32 MHz 32 MHz 32 MHz 32 MHz

主な差別化要因

  • Highest flash density in the M16C/85 group at 144-LFQFP (vs M30853FJGP)
  • Pin-compatible upgrade path within the same family (vs M30855FJGP#U5)
  • 121 I/O pins for high-pin-count designs (vs M30626FHPFP)

設計ノート

The M30855FJGP#U3 operates from 3.0 V to 5.5 V. Place a 0.1 uF ceramic decoupling capacitor near each VCC/AVCC pin, plus a bulk 10 uF tantalum or ceramic capacitor at the regulator output. For mixed-signal designs, separate AVCC from VCC with a ferrite bead to keep digital switching noise out of the A/D reference. Estimated: at 32 MHz with all peripherals active, supply current is typically 30-45 mA, so the regulator must be rated for at least 100 mA for transient headroom.

The 144-LFQFP (20x20 mm) package has a 0.5 mm pitch and an exposed pad. Provide at least 4 signal layers with continuous ground planes under the IC to lower ground bounce and to dissipate 1-2 W peak dissipation. Use 0.8 mm via-in-pad or microvias to fan out the inner-row pads. Keep oscillator traces short and surrounded by ground guard traces to reduce EMI on the XIN/XOUT pins. Verify the land pattern against the Renesas package drawing before tape-out.

Do not confuse the M30855FJGP#U3 suffix with the operating-temperature grade alone - the #U3 indicates industrial -40C to +85C, while #U5 indicates a different qualification tier. When migrating from M16C/62P parts such as the M30626FHPFP, the interrupt vector table and SFR addresses differ even though the CPU core is similar; recompile and re-validate all firmware. Always fit a pull-up or pull-down on the reset pin per the hardware manual to avoid spurious resets during power-ramp.

コンプライアンス情報

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
鉛フリー
Yes
ハロゲンフリー
Unknown
紛争鉱物
Compliant

Pb-Free per Mouser listing. RoHS-compliant per distributor data. Not AEC-Q100 qualified - do not use in automotive safety-critical applications; choose AEC-Q100-qualified Renesas parts instead. REACH compliance assumed per Renesas standard declarations.

データ検証日: 2026-10-09 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

M30855FJGP#U3 M30855FJGP#U3 datasheet Renesas M32C/85 microcontroller M16C 16-bit MCU 144-LFQFP Renesas M30855FJGP#U3 512KB flash M30855FJGP#U3 industrial MCU M30855FJGP#U3 vs M30855FJGP#U5 M30855FJGP#U3 drop-in replacement buy M30855FJGP#U3 online M30855FJGP#U3 price 1000 qty what is the RAM of M30855FJGP#U3 M30855FJGP#U3 pinout 144-LFQFP

関連部品&用語

Renesas Electronics M30855FJGP#U3 M30855FJGP#U5 M30855FHGP#U3 M30853FJGP M30857FJGP M16C M32C M32C/85 Microcontroller MCU Flash memory RAM LQFP-144 Industrial temperature grade RoHS Pb-Free AEC-Q100 3.3V logic 5V logic factory automation automotive body electronics appliance control
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