Renesas R5F21386CDFP#V0

Overview

R5F21386CDFP#V0 from Renesas Electronics is an 80-pin LQFP 16-bit R8C CPU core MCU with 32 KB program ROM, 2.5 KB data flash (4 × 1 KB blocks), and 20-channel 10-bit A/D converter. It operates at up to 20 MHz (2.7–5.5 V) or 5 MHz (1.8–5.5 V), supports background operation (BGO) for data flash, and targets embedded control in consumer appliances requiring low EMI/EMS and mixed-signal integration.

For engineers reviewing the R5F21386CDFP#V0 datasheet, R5F21386CDFP#V0 pinout, R5F21386CDFP#V0 application, or R5F21386CDFP#V0 equivalent, key selection criteria include its −40°C to +85°C industrial temperature grade, integrated LIN hardware module (using Timer RA + UART0), real-time clock (Timer RE), and dual 8-bit D/A converters - all within a single 80-pin PLQP0080KB-A package.

Technical Context

The R5F21386CDFP#V0 implements the R8C CPU core with 89 fundamental instructions, 16×16→32-bit multiplier, and multiply-accumulate capability. Its memory map spans 1 Mbyte (00000h–FFFFFh), with fixed interrupt vector table at 0FFDCh–0FFFFh and data flash mapped to 03000h–03FFFh.

Peripheral integration includes Timer RD (16-bit ×2, 6-pin PWM, three-phase complementary/sawtooth modulation), UART0/1/2 (with I²C mode on UART2), SSU/I²C shared bus, LIN hardware support, and voltage detection circuitry with selectable levels (VDD monitor + VD0/VD1).

Key Specifications

Pinout & Package

Package: 80-pin LQFP (PLQP0080KB-A, previous code 80P6Q-A), 14 mm × 14 mm × 1.4 mm, 0.65 mm pitch.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit MCU applications.

Compared with R5F21386CNFP, the R5F21386CDFP#V0 adds guaranteed −40°C startup and operation - critical for outdoor or automotive-adjacent deployments - while R5F21387CDFP trades pin compatibility for +16 KB ROM headroom, enabling richer feature sets without changing PCB layout.

Availability

R5F21386CDFP#V0 is available at Aetrix Electronics and suitable for home appliance control, office equipment motor drive, audio system power management, and industrial sensor hub applications requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R5F21386CDFP#V0 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 specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The R8C/38C Group, including the R5F21386CDFP#V0, was designed for cost-sensitive, mixed-signal embedded control in consumer and industrial equipment where EMI robustness, integrated analog peripherals, and extended temperature operation are essential.

FAQ

What is the maximum operating frequency of the R5F21386CDFP#V0 and under what voltage conditions?

The R5F21386CDFP#V0 achieves a maximum operating frequency of 20 MHz when supplied at 2.7–5.5 V, and 5 MHz when operating down to 1.8 V. Minimum instruction execution time is 50 ns at 20 MHz and 200 ns at 5 MHz, confirmed in the R01DS0017EJ0110 datasheet Section 1.1.2.

Does the R5F21386CDFP#V0 support hardware LIN communication, and how is it implemented?

Yes, the R5F21386CDFP#V0 integrates a hardware LIN module using Timer RA and UART0, supporting LIN 2.0/2.1 protocols without external transceiver logic. This implementation is explicitly documented in Table 1.2 and Section 1.1.1 of the R01DS0017EJ0110 datasheet.

What are the data flash endurance and programming voltage specifications for the R5F21386CDFP#V0?

The R5F21386CDFP#V0 provides 10,000 write/erase cycles for its 1 KB × 4 data flash blocks, with programming and erasure performed at the same VCC supply (2.7–5.5 V). These values are specified in Table 1.2 of the R01DS0017EJ0110 datasheet under Flash Memory section.

How many A/D converter channels does the R5F21386CDFP#V0 have, and what is their resolution?

The R5F21386CDFP#V0 features a 10-bit resolution A/D converter with 20 input channels (AN0–AN19), including sample-and-hold and sweep mode functionality. This is confirmed in Table 1.2 (Serial Interface and A/D Converter section) of the R01DS0017EJ0110 datasheet.

What is the package type and pin count of the R5F21386CDFP#V0, and is it RoHS compliant?

The R5F21386CDFP#V0 uses an 80-pin LQFP package (PLQP0080KB-A, 14 mm × 14 mm), and is RoHS compliant per Renesas standard product definitions. Package details appear in Table 1.2 and Figure 1.3 of the R01DS0017EJ0110 datasheet; RoHS status is verified through Renesas' official product change notices.