Renesas R5F12047MSP#50

Overview

R5F12047MSP#50 from Renesas Electronics is a 16-pin, 4 KB flash, 1 KB RAM RL78/G15 16-bit microcontroller with industrial-grade temperature support up to +125°C, high-speed on-chip oscillator (1–16 MHz), 7-channel 8/10-bit ADC, and integrated UART, simplified I²C, and CSI interfaces - deployed in motor control modules and smart sensor nodes requiring low-power operation and robust timing.

For engineers reviewing the R5F12047MSP#50 datasheet, R5F12047MSP#50 pinout, R5F12047MSP#50 application, or R5F12047MSP#50 equivalent, key selection criteria include its 16-pin SSOP package, M-grade thermal rating, 4 KB code flash with self-programming, 1 KB data flash (1M rewrite cycles), and dual serial interface capability supporting both simplified I²C and CSI protocols.

Technical Context

The R5F12047MSP#50 implements the RL78 CPU core with a 3-stage CISC pipeline, enabling minimum instruction execution at 0.0625 μs (16 MHz) or configurable low-speed mode (1.0 μs @ 1 MHz). It integrates an 8-channel 16-bit timer array (TAU0), 12-bit interval timer, watchdog timer, and programmable clock/buzzer output (PCLBUZ0).

Its analog subsystem includes a 7-channel 8/10-bit A/D converter with internal reference (0.815 V), two comparator channels (IVCMP0/IVCMP1), and selectable external reference inputs. Power management features HALT and STOP modes, selectable power-on-reset (SPOR) with four voltage thresholds, and true low-power operation down to 54 µA/MHz at TA = 125°C.

Key Specifications

Pinout & Package

R5F12047MSP#50 is housed in a 16-pin plastic SSOP package (4.4 × 5.0 mm, 0.65-mm pitch) with exposed pad not required (non-QFN variant). Pin functions are multiplexed via peripheral I/O redirection registers (PIOR), enabling flexible signal routing without PCB redesign.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F12048MSP#50, the R5F12047MSP#50 trades flash capacity for lower unit cost while retaining identical timing, analog, and communication capabilities; versus RL78/G14, it offers superior industrial temperature margin (+125°C vs. +105°C) and simplified I²C support at the expense of LIN functionality.

Availability

R5F12047MSP#50 is available at Aetrix Electronics and suitable for motor control modules, smart sensor nodes, industrial PLC I/O expansion, and energy meter front-end controllers requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R5F12047MSP#50 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for industrial, automotive, and IoT markets.

The RL78/G15 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive industrial control, sensor hubs, and appliance applications - emphasizing thermal robustness, integrated analog, and minimal external component count.

FAQ

What is the maximum operating frequency of the R5F12047MSP#50 high-speed on-chip oscillator?

The R5F12047MSP#50 high-speed on-chip oscillator supports frequencies from 1 MHz to 16 MHz, selectable via option byte bits 0–2. At 16 MHz operation, the minimum instruction execution time is 0.0625 µs. Frequency accuracy is ±1.0% over −20°C to +85°C ambient, meeting industrial timing requirements without external crystal.

Does the R5F12047MSP#50 support background data flash programming?

No, the R5F12047MSP#50 does not support background operation (BGO) for data flash writes. During data flash rewriting, instruction execution from code flash memory is halted. This requires careful firmware sequencing to avoid interrupt latency issues in real-time applications using the R5F12047MSP#50.

How many analog input channels does the R5F12047MSP#50 provide?

The R5F12047MSP#50 provides 7 analog input channels (ANI0–ANI6), accessible via dedicated pins P00, P02–P04, P06–P07. All channels support 8/10-bit resolution with selectable reference sources - either internal 0.815 V or external voltage applied to IVREF0/IVREF1 pins - enabling flexible sensor interfacing in the R5F12047MSP#50 design.

What package type and pin count does the R5F12047MSP#50 use?

The R5F12047MSP#50 uses a 16-pin plastic SSOP package (4.4 × 5.0 mm, 0.65-mm pitch), designated by "SP" in the part number. It is distinct from the HWQFN variant (NA suffix) and supports standard surface-mount assembly with no exposed thermal pad requirement - simplifying layout for the R5F12047MSP#50 in cost-sensitive industrial PCBs.

Can the R5F12047MSP#50 operate reliably at +125°C ambient temperature?

Yes, the R5F12047MSP#50 is rated for operation from −40°C to +125°C (M-grade industrial qualification). Its true low-power architecture achieves 54 µA/MHz current consumption at +125°C, and all specifications - including oscillator accuracy, ADC performance, and flash endurance - are guaranteed across this full range for the R5F12047MSP#50.