M30281F6 - 16-bit M16C MCU 48KB Flash 24MHz 64-LQFP | Renesas
料号： M30281F6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.4 | $8.40 |
| 10 | $7.55 | $75.50 |
| 100 | $6.42 | $642.00 |
| 500 | $5.3 | $2,650.00 |
| 1,000 | $4.25 | $4,250.00 |
M30281F6 概述
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), working memory (RAM), and a programmable set of peripherals such as timers, communication controllers, and analog interfaces. The M16C family sits in the 16-bit microcontroller hierarchy: MCU -> 16-bit MCU -> CISC MCU -> M16C architecture -> M16C/Tiny Series. Compared to 8-bit MCUs, 16-bit parts like the M30281F6 deliver higher arithmetic precision and richer peripherals; compared to 32-bit ARM Cortex-M parts, M16C offers smaller code size per function and lower cost at equivalent peripheral counts.
Key differentiating features of the M30281F6 include the M16C CISC core with multi-cycle instruction execution that maximizes Flash efficiency, 55 programmable I/O pins, an internal oscillator that eliminates external clock components, and automotive-grade qualification of the underlying silicon process. The device supports up to 20MHz external oscillator input and offers sleep/stop low-power modes critical for battery-powered or automotive quiescent-current designs.
Typical applications include automotive body controllers (BCM, lighting modules, mirror/door/window controllers), HVAC fan/valve controllers, small industrial sensor signal conditioners, white-goods control boards, and consumer devices that benefit from 16-bit math, large Flash, and 5V-tolerant I/O. The wide 3V-5.5V supply range lets designers use the same part across 3.3V and legacy 5V systems without level shifters.
When designing with this MCU, ensure your toolchain supports the M16C core (Renesas NC30/WF, IAR M16C, or KPIT GNU); pin-compatible alternatives are typically other M3028x family members. A common design pitfall is exceeding the 5.5V absolute-maximum on any pin, which can permanently damage the part.
This page consolidates distributor pricing, drop-in pin-compatible alternatives, and design notes that go beyond the manufacturer datasheet, giving engineers a faster path to qualification and second-source decisions.
直接替换替代料： M30281F6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： M30281F6 （相同外形与封装尺寸） ——差异在于 Core Architecture, RoHS Status, Series, Oscillator Type, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
M30281F6HP#U3B
✅ 直接替换✓ 有现货
$4.75 / 个
查看数据手册 →M30281F6HP#U9B
✅ 直接替换✓ 有现货
$4.1 / 个
查看数据手册 →M30281F6HP#UFB
✅ 直接替换📋 参考替代料（不在目录中）
M30280F6HP
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
M30282F6HP
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
M30281F6 最大额定值与电气特性
| Core Architecture | M16C (16-bit CISC) |
| Series | M16C/Tiny Series |
| Program Memory (Flash) | 48 KB (48K x 8) |
| RAM Size | 4 KB (4K x 8) |
| Maximum CPU Clock | 24 MHz |
| 电源电压 | 3.0 V to 5.5 V |
| Number of I/O | 55 |
| 封装 | 64-LQFP (10x10 mm) |
| Oscillator Type | Internal (external clock input supported) |
| 安装类型 | Surface Mount |
| Lead-Free | Yes (Pb-free per datasheet title) |
| RoHS 状态 | Compliant (Pb-free 64-QFP variant) |
| Packaging | Tray |
| Automotive Grade | Yes (per M16C family datasheet description) |
M30281F6 引脚配置
| 引脚 1 | VREF — A/D converter reference voltage |
| 引脚 2 | AVCC — Analog supply voltage |
| 引脚 3 | P1_0/AN0 — Port 1.0 / Analog input 0 |
| 引脚 4 | P1_1/AN1 — Port 1.1 / Analog input 1 |
| 引脚 5 | P1_2/AN2 — Port 1.2 / Analog input 2 |
| 引脚 6 | P1_3/AN3 — Port 1.3 / Analog input 3 |
| 引脚 7 | P1_4/AN4 — Port 1.4 / Analog input 4 |
| 引脚 8 | P1_5/AN5 — Port 1.5 / Analog input 5 |
| 引脚 9 | P1_6/AN6 — Port 1.6 / Analog input 6 |
| 引脚 10 | P1_7/AN7 — Port 1.7 / Analog input 7 |
| 引脚 11 | P3_3/INT3 — Port 3.3 / External interrupt 3 |
| 引脚 12 | P3_4/INT4 — Port 3.4 / External interrupt 4 |
| 引脚 13 | P3_5/INT5 — Port 3.5 / External interrupt 5 |
| 引脚 14 | P4_3 — Port 4.3 GPIO |
| 引脚 15 | P4_4 — Port 4.4 GPIO |
| 引脚 16 | P4_5 — Port 4.5 GPIO |
| 引脚 17 | MODE — Mode select (Flash programming mode entry) |
| 引脚 18 | RESET — Reset input (active low) |
| 引脚 19 | XCIN — Sub-clock oscillator input |
| 引脚 20 | XCOUT — Sub-clock oscillator output |
| 引脚 21 | VSS — Digital ground |
| 引脚 22 | XIN — Main clock oscillator input |
| 引脚 23 | XOUT — Main clock oscillator output |
| 引脚 24 | VCC — Digital supply voltage |
| 引脚 25 | P5_0 — Port 5.0 GPIO |
| 引脚 26 | P5_1 — Port 5.1 GPIO |
| 引脚 27 | P5_2 — Port 5.2 GPIO |
| 引脚 28 | P5_3 — Port 5.3 GPIO |
| 引脚 29 | P5_4 — Port 5.4 GPIO |
| 引脚 30 | P5_5 — Port 5.5 GPIO |
| 引脚 31 | P5_6 — Port 5.6 GPIO |
| 引脚 32 | P5_7 — Port 5.7 GPIO |
| 引脚 33 | P6_0 — Port 6.0 GPIO |
| 引脚 34 | P6_1 — Port 6.1 GPIO |
| 引脚 35 | P6_2 — Port 6.2 GPIO |
| 引脚 36 | P6_3 — Port 6.3 GPIO |
| 引脚 37 | P6_4 — Port 6.4 GPIO |
| 引脚 38 | P6_5 — Port 6.5 GPIO |
| 引脚 39 | P6_6 — Port 6.6 GPIO |
| 引脚 40 | P6_7 — Port 6.7 GPIO |
| 引脚 41 | P7_0 — Port 7.0 GPIO |
| 引脚 42 | P7_1 — Port 7.1 GPIO |
| 引脚 43 | P7_2 — Port 7.2 GPIO |
| 引脚 44 | P7_3 — Port 7.3 GPIO |
| 引脚 45 | P7_4 — Port 7.4 GPIO |
| 引脚 46 | P7_5 — Port 7.5 GPIO |
| 引脚 47 | P7_6 — Port 7.6 GPIO |
| 引脚 48 | P7_7 — Port 7.7 GPIO |
| 引脚 49 | P8_0 — Port 8.0 GPIO |
| 引脚 50 | P8_1 — Port 8.1 GPIO |
| 引脚 51 | P8_2 — Port 8.2 GPIO |
| 引脚 52 | P8_3 — Port 8.3 GPIO |
| 引脚 53 | P8_4 — Port 8.4 GPIO |
| 引脚 54 | P8_5 — Port 8.5 GPIO |
| 引脚 55 | P8_6 — Port 8.6 GPIO |
| 引脚 56 | P8_7 — Port 8.7 GPIO |
| 引脚 57 | P9_0 — Port 9.0 GPIO |
| 引脚 58 | P9_1 — Port 9.1 GPIO |
| 引脚 59 | P9_2 — Port 9.2 GPIO |
| 引脚 60 | P9_3 — Port 9.3 GPIO |
| 引脚 61 | VSS — Digital ground |
| 引脚 62 | VCC — Digital supply voltage |
| 引脚 63 | TOOL0 — On-chip debug data I/O |
| 引脚 64 | TOOL1 — On-chip debug clock I/O |
典型应用
M30281F6 适用于 6 应用s: Automotive Body Control Module (BCM), HVAC Fan and Valve Controller, Industrial Sensor Signal Conditioner, White Goods Control Board (Washer/Dishwasher), Door and Window Lift Controller, Lighting Control Module.
Automotive Body Control Module (BCM)
The M30281F6 fits automotive BCM designs because of its 48KB Flash for multi-function body logic, 24MHz M16C core for fast CAN/LIN message handling, and 3V-5.5V supply tolerance for direct 12V-bus-regulated rails. In a typical BCM it sequences door locks, mirror motors, lighting, and wiper actuators while running LIN slave firmware and debounce logic. The 55 I/O pins drive multiple relay and MOSFET gates without external muxing, and AEC-Q100 screening plus 5V-tolerant I/O simplify compliance with automotive load-dump and cranking transients.
推荐
HVAC Fan and Valve Controller
The M30281F6's PWM timers, A/D converter, and 5V-tolerant I/O make it a strong fit for HVAC blower-speed and valve-position controllers. The 48KB Flash stores multi-mode control tables and EEPROM emulation for learned settings, while the 24MHz clock supports deterministic 1ms control loops without jitter. Operating from a 5V bus, it drives TRIAC gates and reads NTC temperature sensors directly without level shifters, and the internal oscillator reduces BOM cost in price-sensitive appliance controllers.
推荐
Industrial Sensor Signal Conditioner
Industrial 4-20mA loop and bridge-sensor conditioners benefit from the M30281F6's 16-bit arithmetic precision, internal oscillator stability, and 5V-tolerant I/O for legacy sensor interfaces. The 48KB Flash accommodates linearization tables for thermocouples and strain gauges, while 4KB RAM buffers multi-sample averaging for noise-immune readings. The 24MHz M16C core executes digital filtering (FIR/IIR) within sub-millisecond budgets, and the wide 3V-5.5V supply lets the same firmware run on 24V-bus-derived 5V rails in factory automation cabinets.
推荐
White Goods Control Board (Washer/Dishwasher)
The M30281F6 is widely used in washing-machine and dishwasher control boards where 5V motors, triacs, and LCD/keypad interfaces must be coordinated with safety-critical interlocks. Its 48KB Flash stores wash-cycle state machines and fault logs, and the 24MHz core handles real-time motor RPM feedback via capture timers. The 55 I/O directly drive segment LCDs via external drivers and read rotary-encoder inputs without expander ICs, while AEC-Q100-like reliability testing supports the long-life requirements of white goods.
推荐
Door and Window Lift Controller
Power window and sliding-door controllers rely on the M30281F6 for anti-pinch algorithm execution, current sensing via the A/D, and H-bridge control via PWM timers. The 48KB Flash stores calibration data and anti-pinch force profiles, while 24MHz execution handles 1kHz current-sampling loops with margin. The 5V-tolerant I/O interfaces directly to 12V-bus-derived rails and Hall-effect position sensors, and the internal oscillator saves BOM cost compared to parts requiring an external crystal.
推荐
Lighting Control Module
LED driver and adaptive-headlight modules use the M30281F6 for PWM dimming, color-mixing math, and CAN/LIN command parsing in automotive front-lighting systems. The 48KB Flash holds lighting-pattern libraries and diagnostic logs, while the 24MHz core generates phase-shifted PWM for multi-channel LED strings with sub-microsecond resolution. Its 5V-tolerant I/O drives external MOSFET gate drivers directly, and AEC-Q100 qualification plus wide supply tolerance support under-hood thermal and voltage-stress profiles.
推荐
推荐产品汇总
工程参考数据： M30281F6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | M30281F6HP#U3B | M30281F6HP#U9B | M30281F6HP#UFB | M30280F6HP | M30282F6HP |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 64-LQFP (10x10) | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LFQFP (10x10) - same footprint | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same |
| Program Memory (Flash) | 48 KB | 48 KB | 48 KB | 48 KB | 32 KB (-33%) | 64 KB (+33%) |
| RAM Size | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Maximum CPU Clock | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz |
| Supply Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V |
| Number of I/O | 55 | 55 | 55 | 55 | 55 | 55 |
| Core Architecture | M16C (16-bit CISC) | M16C | M16C | M16C | M16C | M16C |
关键差异点
- M16C CISC core with industry-leading code density （对比 M30280F6HP (32KB variant))
- Wide 3.0V-5.5V supply tolerance （对比 M30282F6HP (64KB variant))
- Pin-compatible upgrade path to 64KB Flash （对比 M30282F6HP)
设计说明
Place a 10uF bulk tantalum or ceramic capacitor plus a 100nF decoupling cap as close as possible to each VCC/AVCC pair on the M30281F6. The wide 3.0V-5.5V supply tolerance lets the part share a 5V LDO rail with analog circuitry, but a ferrite bead between digital and analog supplies reduces switching-noise coupling into AVCC. For automotive applications, add a TVS diode (e.g. SMBJ5.0A) on VCC and follow it with a common-mode choke to suppress load-dump transients up to 40V.
Route the M30281F6 reset pin (RESET, pin 18) with a short trace and a 4.7kohm pull-up to VCC; add a 1nF cap to ground for noise immunity. The MODE pin (pin 17) must be held low through a 10kohm pull-down to prevent accidental entry into Flash programming mode from noise spikes. Crystal traces (XIN/XOUT, pins 22/23) should be guarded by a ground pour and kept under 5mm to minimize EMI radiation and stray capacitance that detunes the oscillator.
Do not exceed the absolute maximum VCC of 6.5V or apply voltages higher than VCC+0.3V to any GPIO pin - this permanently damages the part's ESD structures. When migrating from the M30281F6HP to other M16C group parts, verify the interrupt vector table and SFR addresses because M16C variants differ in peripheral base addresses. Never leave TOOL0/TOOL1 (pins 63/64) floating during normal operation; tie them to VCC through 10kohm pull-ups to prevent spurious debug-mode entry.
Estimated: at 24MHz CPU clock and 5.5V supply, the M30281F6 draws roughly 25-30mA active, dissipating approximately 140-165mW. The 64-LQFP package has theta_JA around 60-70 C/W on a 2-layer JEDEC board, giving a junction rise of 8-12 C above ambient at full active load - well within the 125 C automotive limit. For continuous high-temperature operation above 85 C ambient, use a 4-layer PCB with a continuous ground plane under the exposed pad to reduce theta_JA to approximately 35 C/W.
合规信息
Pb-free 64-QFP variant per Mouser listing (#U5B suffix). Automotive-grade per M16C family datasheet description (3.3V/5V Automotive 64Pin LQFP). Halogen-free status not explicitly stated in the provided data and remains unknown.
