Renesas R5F1214AMNA#60

Overview

R5F1214AMNA#60 from Renesas Electronics is a 16-pin HWQFN-packaged RL78/G16 16-bit microcontroller with 16 KB code flash, 2 KB RAM, and industrial-grade operation up to +125°C. It integrates capacitive touch sensing (15-channel CTSU), 8× 16-bit timers, 10-bit A/D converter (11-channel), real-time clock with calendar, and multiple serial interfaces including UART, simplified SPI (CSI), and I²C - deployed in smart appliance control panels requiring low-power, high-integration HMI solutions.

For engineers reviewing the R5F1214AMNA#60 datasheet, R5F1214AMNA#60 pinout, R5F1214AMNA#60 application, or R5F1214AMNA#60 equivalent, key selection criteria include its 16-pin HWQFN (3 × 3 mm, 0.5-mm pitch) footprint, −40°C to +125°C operating range (M-grade), 16 KB flash/2 KB RAM memory configuration, and integrated CTSU for touch-button interfaces without external components.

Technical Context

The R5F1214AMNA#60 implements the RL78 CPU core with a 3-stage pipeline CISC architecture, supporting instruction execution times from 0.0625 μs (@16 MHz high-speed on-chip oscillator) to 30.5 μs (@32.768 kHz subsystem clock). Its power management includes HALT and STOP modes, selectable SPOR reset levels, and true low-power operation down to 61 μA/MHz at 125°C.

Peripheral integration centers on human-machine interface support: a 15-channel capacitive touch sensing unit (CTSU) with self- and mutual-capacitance modes, 10-bit A/D converter with internal reference (0.815 V) and temperature sensor, dual comparators, and flexible serial connectivity (up to 3 CSI, 3 UART, 3 simplified I²C, and 1 full I²C channel).

Key Specifications

Pinout & Package

Package: 16-pin HWQFN (3.0 × 3.0 mm, 0.5-mm pitch) with exposed die pad - requires PCB thermal pad connection for thermal dissipation and EMI reduction in high-noise environments.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F1214CGNA#60 and R5F1214CMSP#70, the R5F1214AMNA#60 uniquely combines M-grade temperature resilience with the smallest 16-pin footprint (HWQFN), enabling compact, thermally robust HMI designs where space and ambient extremes are critical constraints.

Availability

R5F1214AMNA#60 is available at Aetrix Electronics and suitable for smart appliance control panels, automotive cabin interfaces, and industrial motor drive keypads requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R5F1214AMNA#60 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 is a global semiconductor leader specializing in microcontrollers, analog, and power management solutions for automotive, industrial, and IoT markets.

The RL78/G16 product line delivers ultra-low-power, high-integration MCUs optimized for cost-sensitive, space-constrained HMI and sensor-control applications - with emphasis on capacitive touch, real-time clock, and robust industrial operation.

FAQ

What is the maximum operating temperature specification for the R5F1214AMNA#60?

The R5F1214AMNA#60 is rated for operation from −40°C to +125°C (M-grade industrial temperature range), verified per Renesas qualification standards. This allows deployment in under-hood automotive modules, sealed HVAC enclosures, and industrial motor drives where ambient temperatures exceed +105°C. The device maintains full functionality-including CTSU touch sensitivity and RTC accuracy-across this full range.

Does the R5F1214AMNA#60 support in-system programming via its standard pins?

Yes, the R5F1214AMNA#60 supports in-system programming using the on-chip debug interface via pins P40 (TOOL0) and P00/P01 (TOOLTxD/TOOLRxD). No external programmer is required for firmware updates; a simple UART-to-USB adapter suffices. The R5F1214AMNA#60 also supports self-programming of its 16 KB code flash memory during application runtime without boot swap.

How many capacitive touch channels does the R5F1214AMNA#60 support, and what configurations are available?

The R5F1214AMNA#60 integrates a 15-channel capacitive touch sensing unit (CTSU) supporting both self-capacitance (15 independent keys) and mutual-capacitance (matrix configuration up to 16 keys) modes. All 15 channels map directly to dedicated TSCAP/TSxx pins (e.g., TS00–TS07, TS13) with hardware-accelerated scan and noise rejection-no external components or firmware overhead required.

What clock sources are available on the R5F1214AMNA#60, and can it operate without an external crystal?

The R5F1214AMNA#60 includes a high-speed on-chip oscillator (16/8/4/2/1 MHz, ±1.5% accuracy at +125°C) and a 32.768 kHz subsystem oscillator. It operates fully without external crystals for most applications; only the RTC calendar and high-precision timing require the optional 32.768 kHz crystal on P121/P122. The on-chip oscillator eliminates BOM cost and layout complexity in non-RTC-critical designs.

Is the R5F1214AMNA#60 pin-compatible with other RL78/G16 variants in the same package?

Yes, all RL78/G16 devices in the 16-pin HWQFN package (e.g., R5F1214Axxx, R5F1214Cxxx, R5F1214Gxxx, R5F1214Mxxx) share identical pinouts and electrical characteristics. Memory size (16 KB vs. 32 KB) and temperature grade (A/G/M) are the only differences-enabling drop-in replacement during design iteration or qualification without PCB changes.