Renesas R5F5210ABDLK#U0

Overview

R5F5210ABDLK#U0 from Renesas Electronics is a 32-bit RX CPU-based microcontroller operating at up to 50 MHz (78 DMIPS), featuring 768 Kbytes of on-chip flash memory, 96 Kbytes of SRAM, and 8 Kbytes of data flash. It integrates a 12-bit A/D converter (16 channels, 1 μs conversion), dual 10-bit D/A converters, RTC with deep software standby wake-up, ELC, MPC, and IEC60730-compliant safety functions for industrial control applications.

For engineers reviewing the R5F5210ABDLK#U0 datasheet, R5F5210ABDLK#U0 pinout, R5F5210ABDLK#U0 application, or R5F5210ABDLK#U0 equivalent, key selection criteria include its 145-pin TFLGA package (7 × 7 mm, 0.5-mm pitch), full peripheral set including 144-pin-equivalent timer/communication modules, -40°C to +85°C temperature grade, and support for low-power operation down to 1.62 V.

Technical Context

The R5F5210ABDLK#U0 implements the RXv1 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code and fast interrupt response. Its clock system includes PLL, sub-clock oscillator (32.768 kHz), high-/low-speed on-chip oscillators, and IWDT-dedicated 125-kHz oscillator, with independent clock domains for ICLK (50 MHz), PCLK (32 MHz), BCLK (12.5 MHz), and FCLK (32 MHz).

Peripheral integration centers on event-driven operation via the Event Link Controller (ELC), which enables direct module triggering without CPU intervention, and Multi-function Pin Controller (MPC) for flexible I/O assignment. The device supports full external bus expansion (four 16-Mbyte CS areas, 8-/16-bit selectable per area) and includes hardware CRC calculation with three polynomials for data integrity verification.

Key Specifications

Pinout & Package

Package: 145-pin TFLGA (PTLG0145KA-A), 7 × 7 mm, 0.5-mm pitch, 0.65-mm height, lead-free (SnCu), tray packaging.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F5210BBDFB#30, the R5F5210ABDLK#U0 delivers identical functionality in a smaller 7×7 mm TFLGA footprint with full TPU support, while R5F5230ADFP#V0 introduces architectural upgrades at the cost of compatibility-making the R5F5210ABDLK#U0 optimal for space-constrained industrial controllers requiring proven ELC-driven determinism.

Availability

R5F5210ABDLK#U0 is available at Aetrix Electronics and suitable for industrial automation, smart metering, and building control systems requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for R5F5210ABDLK#U0 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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX210 Group targets cost-sensitive industrial applications requiring robust real-time performance, functional safety support (IEC60730), and low-power operation across extended temperature ranges-designed specifically for PLCs, meters, and HMI controllers.

FAQ

What is the maximum operating frequency and CPU performance of the R5F5210ABDLK#U0?

The R5F5210ABDLK#U0 operates at a maximum frequency of 50 MHz, delivering 78 DMIPS of processing performance. Its RXv1 32-bit CPU core uses a 5-stage pipeline and variable-length instruction set to achieve high code density and deterministic interrupt latency. This performance level supports real-time tasks such as multi-axis motor control loops, Modbus RTU protocol stack execution, and simultaneous analog acquisition with digital filtering-all within a single chip.

Does the R5F5210ABDLK#U0 support IEC60730 Class B compliance?

Yes, the R5F5210ABDLK#U0 includes dedicated hardware and firmware-assist features for IEC60730 Class B compliance, including self-diagnostic routines for the A/D converter, clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT), RAM testing assistance, and analog input disconnection detection. These capabilities are documented in Renesas Application Note R01AN1419 and enable certified safety firmware development without external supervision ICs.

What package type and pin count does the R5F5210ABDLK#U0 use?

The R5F5210ABDLK#U0 uses a 145-pin TFLGA (Thin Fine-Pitch Land Grid Array) package designated PTLG0145KA-A, measuring 7 × 7 mm with 0.5-mm pitch and 0.65-mm height. This package supports fine-pitch routing for high-density industrial PCBs and provides full access to all RX210 Group peripherals-including 16 A/D channels, dual D/A outputs, 13 SCI channels, and external bus interface-matching the feature set of the 144-pin LQFP variant but in a significantly smaller footprint.

How much on-chip memory does the R5F5210ABDLK#U0 include?

The R5F5210ABDLK#U0 integrates 768 Kbytes of on-chip flash memory (with zero wait states at 50 MHz), 96 Kbytes of SRAM (also zero wait states), and 8 Kbytes of data flash memory rated for 100,000 erase/write cycles. The flash supports in-system programming via SCI, and the data flash enables reliable parameter storage for calibration data, configuration settings, or event logs without requiring external EEPROM.

What low-power modes are available on the R5F5210ABDLK#U0?

The R5F5210ABDLK#U0 offers four low-power modes: Sleep mode (CPU stopped, peripherals active), All-module clock stop mode (all clocks halted except IWDT), Software standby mode (main clocks stopped, RTC and IWDT active), and Deep software standby mode (only RTC and IWDT operational, current draw <1 μA). The RTC remains fully functional in deep standby, enabling wake-up on alarm or periodic interval-critical for battery-backed energy meters and wireless sensor nodes.