Renesas R5F2136CSDFP#30

Overview

R5F2136CSDFP#30 from Renesas Electronics is a 16-bit R8C/36T-A Group microcontroller with 128 KB flash program ROM, 10 KB RAM, and integrated touch sensor control unit (28-channel electrostatic capacitive detection). It features an R8C CPU core (89 instructions), 16×16→32-bit hardware multiplier, 69 interrupt vectors, and operates at up to 20 MHz (VCC = 2.7–5.5 V) for use in appliance control panels and consumer HMI systems.

For engineers reviewing the R5F2136CSDFP#30 datasheet, R5F2136CSDFP#30 pinout, R5F2136CSDFP#30 application, or R5F2136CSDFP#30 equivalent, key selection criteria include its D-version industrial temperature range (−40°C to +85°C), 64-pin LQFP package (PLQP0064KB-A), on-chip data flash with background operation (BGO), and hardware LIN module supporting automotive body electronics integration.

Technical Context

The R5F2136CSDFP#30 implements the R8C CPU core with dual register banks, 20-bit address space (1 Mbyte), and dedicated peripheral control logic including Event Link Controller (30 sources × 10 event types) for autonomous peripheral coordination without CPU intervention. Its clock system integrates four independent oscillation circuits: XIN/XOUT (external crystal/resonator), XCIN/XCOUT (low-power 32 kHz crystal), high-speed on-chip oscillator (adjustable), and low-speed on-chip oscillator (watchdog timer source).

Peripheral integration includes three 16-bit timers (RJ_0, RB2_0, RC_0) with PWM, input capture, and programmable waveform generation; one 8-bit real-time clock timer (RE2); dual UART0 channels plus UART2 with I²C and LIN modes; 10-bit × 12-channel ADC with sample-and-hold and sweep mode; and CRC-CCITT/CRC-16 calculators for communication integrity verification.

Key Specifications

Pinout & Package

Package: 64-pin LQFP (PLQP0064KB-A), 0.5 mm pitch, 10 mm × 10 mm body. RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F2136ASDFP#30 and R5F21368SDFP#30, the R5F2136CSDFP#30 provides maximum on-chip memory headroom for complex touch UIs and firmware-over-the-air (FOTA) staging, while maintaining identical low-power performance, industrial temperature tolerance, and hardware LIN capability across all three variants.

Availability

R5F2136CSDFP#30 is available at Aetrix Electronics and suitable for home appliance control panels, automotive body electronics, office equipment interfaces, and consumer audio remotes requiring stable component supply and long-term industrial lifecycle support.

Supply support for R5F2136CSDFP#30 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 delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The R8C/36T-A Group is designed for cost-sensitive, low-power embedded control applications requiring integrated touch sensing, LIN communication, and robust real-time performance in extended temperature environments.

FAQ

What is the operating temperature range of the R5F2136CSDFP#30?

The R5F2136CSDFP#30 is rated for −40°C to +85°C (D version), making it suitable for industrial control panels and automotive body electronics where extended thermal stability is required. This specification is validated per Renesas' qualification standards and applies across the full 1.8–5.5 V supply range. The R5F2136CSDFP#30 maintains timing accuracy and flash reliability within this range without derating.

Does the R5F2136CSDFP#30 support in-circuit debugging?

Yes, the R5F2136CSDFP#30 includes on-chip debug functionality compatible with Renesas E1/E20 emulators and standard JTAG/SWD interfaces. Debug access enables real-time variable inspection, breakpoint setting, and flash programming without requiring external debug probes beyond the standard Renesas toolchain. The R5F2136CSDFP#30 also supports on-board flash rewrite during normal operation via its BGO-capable data flash.

How many touch sensing channels does the R5F2136CSDFP#30 support?

The R5F2136CSDFP#30 integrates a dedicated Touch Sensor Control Unit (TSCU) supporting up to 28 electrostatic capacitive touch electrodes using time-division multiplexing across CHxA0, CHxA1, CHxB, CHxC, and 24 additional CHxx pins. This enables slider, wheel, and proximity detection without external components. The R5F2136CSDFP#30's TSCU is fully configurable via SFR registers and operates independently of the CPU during scan cycles.

What LIN protocol versions are supported by the R5F2136CSDFP#30 hardware module?

The R5F2136CSDFP#30's HW-LIN_0 module complies with LIN 2.0 and LIN 2.1 specifications, including automatic sync field detection, checksum calculation (classic/enhanced), and slave node response timing. It uses UART0_0, UART0_1, or UART2 resources under firmware control and requires no external LIN transceiver for basic node operation. The R5F2136CSDFP#30 supports both master and slave roles depending on configuration.

Is the R5F2136CSDFP#30 pin-compatible with other R8C/36T-A Group MCUs?

Yes, the R5F2136CSDFP#30 shares identical 64-pin LQFP (PLQP0064KB-A) packaging and pinout with all R8C/36T-A Group variants including R5F2136ASDFP#30 and R5F21368SDFP#30. This enables direct PCB footprint reuse across memory variants. All I/O, power, clock, and debug pins occupy identical positions; only firmware and memory configuration differ between parts.