Renesas M30280F6HP#U9B

Overview

M30280F6HP#U9B from Renesas Electronics is a 16-bit single-chip microcontroller in the M16C/28 Group, designed for embedded control applications requiring integrated peripherals, low-power operation, and real-time responsiveness. It features 64 KB on-chip Flash memory, 4 KB RAM, a 16-bit CPU core, 57 I/O pins, and supports operating frequencies up to 20 MHz at 3.0–5.5 V supply.

For engineers reviewing the M30280F6HP#U9B datasheet, M30280F6HP#U9B pinout, M30280F6HP#U9B application, or M30280F6HP#U9B equivalent, key selection considerations include Flash endurance (10,000 write/erase cycles), built-in voltage detection circuitry (2.7 V threshold), watchdog timer with independent clock source, and compatibility with Renesas' M16C/28 hardware manual Rev.2.00 (2007.01).

Technical Context

The M30280F6HP#U9B implements the M16C/28 architecture with a 16-bit CISC CPU core, supporting both 16-bit and 8-bit data operations. It integrates a programmable 16-bit timer array unit (TAU), UART, serial I/O (SIO), A/D converter (8-channel, 10-bit), and on-chip debug interface for in-circuit emulation.

Power management includes three operational modes-Normal, Wait, and Stop-with oscillation stop detection and low-voltage detection interrupt capability. The device uses an external main clock (1–20 MHz) or on-chip oscillator (1 MHz), with PLL support for internal clock multiplication.

Key Specifications

Pinout & Package

Package: 80-pin plastic LQFP (14 mm × 14 mm, 0.65 mm pitch), RoHS-compliant, standard JEDEC MO-207AB footprint.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with M30280F6HP#U9B, R5F21286SNFP offers modern power efficiency and LIN support but sacrifices IEBus and legacy toolchain continuity, whereas M30282F8HP#U9B provides seamless drop-in upgrade path with doubled Flash capacity for feature-rich firmware expansion.

Availability

M30280F6HP#U9B is available at Aetrix Electronics and suitable for industrial motor control, home appliance control, automotive body electronics, and energy metering applications requiring stable component supply across long-lifecycle production programs.

Supply support for M30280F6HP#U9B 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 manufacturer headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.

The M16C/28 Group, including M30280F6HP#U9B, was engineered for cost-sensitive, real-time embedded control in appliances, industrial equipment, and automotive body modules - emphasizing peripheral integration, Flash reliability, and robustness under variable supply conditions.

FAQ

What is the maximum operating frequency of the M30280F6HP#U9B?

The M30280F6HP#U9B supports a maximum CPU clock frequency of 20 MHz when powered at 3.0–5.5 V. This is achieved using the external main clock (XT1/XT2) or PLL-multiplied internal clock. Timing specifications in the M16C/28 Hardware Manual Rev.2.00 confirm stable operation up to 20 MHz across the full temperature range (−40°C to +85°C). The M30280F6HP#U9B must be configured with appropriate wait states and clock dividers to maintain compliance with internal timing constraints at this speed.

Does the M30280F6HP#U9B support in-system programming (ISP)?

Yes, the M30280F6HP#U9B supports in-system programming via its on-chip debug interface using Renesas' E8/E8a emulators or compatible tools. The 64 KB Flash memory can be reprogrammed while soldered on the target board, enabling field firmware updates and development iteration without chip removal. The M30280F6HP#U9B requires specific entry sequences and voltage conditions (VPP = 10 V) for Flash write/erase operations, as documented in the M16C/28 Hardware Manual section "Flash Memory Programming".

What is the A/D converter resolution and channel count on the M30280F6HP#U9B?

The M30280F6HP#U9B integrates an 8-channel, 10-bit successive approximation A/D converter with a typical conversion time of 1.2 µs. Input channels AD0–AD7 map to port pins P10–P17 and support single-ended or sample-and-hold operation. The A/D module includes built-in reference voltage options (AVCC or internal 2.5 V) and trigger sources including software, timer, or external event - all confirmed in the M16C/28 Group Hardware Manual Rev.2.00.

Is the M30280F6HP#U9B pin-compatible with other M16C/28 devices?

Yes, the M30280F6HP#U9B is pin-compatible with other 80-pin LQFP variants in the M16C/28 Group, including M30282F8HP#U9B and M30284F8HP#U9B. All share identical pin assignments, electrical characteristics, and package dimensions (JEDEC MO-207AB). This allows direct PCB reuse when upgrading Flash size or peripheral configuration - provided the application firmware accommodates differences in memory map and optional features enabled per variant.

What debug interface does the M30280F6HP#U9B provide?

The M30280F6HP#U9B provides a single-wire on-chip debug interface compliant with Renesas' standard debug protocol for M16C devices. It uses dedicated pins (e.g., RES# and CLKI) to support breakpoint setting, register inspection, and Flash programming via Renesas E8/E8a emulators. No external JTAG adapter is required, and the interface remains functional even in low-power Stop mode - enabling full visibility into system state during power-constrained operation of the M30280F6HP#U9B.