Renesas M30800SAFP-BL#U5

Overview

M30800SAFP-BL#U5 from Renesas Electronics is a ROMless 16/32-bit single-chip microcomputer based on the M32C/80 series CPU core, operating at up to 32 MHz (31.3 ns min instruction time), featuring 47 I/O pins, 10-bit A/D converter with 10 channels, dual 8-bit D/A converters, and 4-channel DMAC. It targets office automation, communication devices, and industrial equipment requiring high-speed control with memory expansion capability.

For engineers reviewing the M30800SAFP-BL#U5 datasheet, M30800SAFP-BL#U5 pinout, M30800SAFP-BL#U5 application, or M30800SAFP-BL#U5 equivalent, this page delivers verified package mapping (100-pin LQFP PRQP0100JB-A), confirmed clock generation architecture (PLL + main/sub oscillators), validated peripheral integration (5 UART channels, I²C, IEBus, timer A/B), and real-world timing constraints for microprocessor-mode boot and external bus interfacing.

Technical Context

The M30800SAFP-BL#U5 implements the M32C/80 CPU core with dual register banks, 16-Mbyte linear address space, and three operational modes: single-chip, memory expansion, and microprocessor mode. It supports 16-bit external data bus width via BYTE pin control and multiplexed or non-multiplexed addressing using A0–A23 and D0–D15 pins.

Its clock system integrates four independent circuits: main crystal oscillator (XIN/XOUT), sub-crystal oscillator (XCIN/XCOUT), on-chip oscillator, and PLL frequency synthesizer with built-in feedback resistor. The device includes dedicated analog supply pins (AVcc/AVss), reference voltage input (VREF), and oscillation stop detection for the main clock.

Key Specifications

Pinout & Package

Package: 100-pin plastic molded LQFP (PRQP0100JB-A, 14 mm × 14 mm, 0.5 mm pitch). Pinout conforms to Figure 1.3 in REJ03B0038-0110 Rev.1.10.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F566TEADFP#30 and M30624FGFP#U5, the M30800SAFP-BL#U5 uniquely balances legacy M32C software compatibility, integrated analog output (dual DAC), and hardware acceleration (CRC, intelligent I/O) in a mature, production-proven 100-pin LQFP footprint-making it optimal for cost-sensitive industrial upgrades requiring minimal PCB rework.

Availability

M30800SAFP-BL#U5 is available at Aetrix Electronics and suitable for office automation equipment, industrial motor control systems, and communication terminal devices requiring stable component supply and long-term lifecycle support.

Supply support for M30800SAFP-BL#U5 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 M32C/80 Group was designed for high-reliability embedded control in office equipment, communications infrastructure, and industrial machinery-emphasizing real-time responsiveness, mixed-signal integration, and seamless migration from earlier M16C architectures.

FAQ

What is the maximum operating frequency and corresponding supply voltage range for the M30800SAFP-BL#U5?

The M30800SAFP-BL#U5 achieves a maximum operating frequency of 32 MHz BCLK with minimum instruction execution time of 31.3 ns, requiring VCC1 between 4.2 V and 5.5 V. At 24 MHz BCLK, it operates across VCC1 = 3.0–5.5 V. VCC2 must be within 3.0 V to VCC1 in both cases. These ratings are specified in Table 1.1 of REJ03B0038-0110 Rev.1.10.

Does the M30800SAFP-BL#U5 include an on-chip boot loader, and how is it activated?

Yes, the M30800SAFP-BL#U5 includes an on-chip boot loader. It is activated automatically after reset when the BOOT pin (P107) is held high during power-up. This enables firmware updates via UART or other serial interfaces without external programming hardware. The boot loader supports memory expansion mode and is documented in Section 3.2 of the M32C/80 Group User's Manual.

What are the analog supply requirements for the A/D and D/A converters in the M30800SAFP-BL#U5?

The M30800SAFP-BL#U5 requires separate analog supply connections: AVcc must be connected to VCC1, and AVss must be connected to Vss. A stable reference voltage (VREF) must be applied externally to the VREF pin, typically derived from a precision voltage source or resistor divider. These connections ensure ±1 LSB accuracy for both the 10-bit ADC and dual 8-bit DACs per the Electrical Characteristics table in REJ03B0038-0110.

How does the M30800SAFP-BL#U5 support external memory interfacing, and what bus widths are supported?

The M30800SAFP-BL#U5 supports external memory via Intel-style 8080/8086-compatible bus control signals (RD, WR, BHE, ALE, HOLD, HLDA, RDY) and 24-bit address bus (A0–A23). It supports both 8-bit and 16-bit external data buses, selected by the BYTE pin. In 16-bit mode, D0–D7 and D8–D15 operate concurrently; in 8-bit mode, D0–D7 time-share with A0–A7. This is detailed in Section 1.6 Pin Description of REJ03B0038-0110.

Is the M30800SAFP-BL#U5 pin-compatible with other members of the M32C/80 Group, such as M30800SAGP-BL#U5?

Yes, the M30800SAFP-BL#U5 is pin-compatible with M30800SAGP-BL#U5 and other 100-pin variants in the M32C/80 Group. Both use identical PRQP0100JB-A (FP) and PLQP0100KB-A (GP) LQFP packages with identical pin assignments and electrical characteristics. The only difference is package variant designation (FP vs GP); functional behavior and pinout are identical per Figure 1.2 and Table 1.2 in REJ03B0038-0110.