Renesas R5F1026AASP#55 RL78/G12 16-Bit Microcontroller 24MHz 16KB Flash LSSOP-20

R5F1026AASP#55 Product Overview

The R5F1026AASP#55 is a RL78/G12 series 16-bit microcontroller from Renesas Electronics, housed in a compact LSSOP-20 (4.4mm width) package and powered by an RL78 16-bit CISC CPU core running at up to 24MHz. It features 16KB code flash, 1.5KB RAM, and 2KB data flash, delivering industry-leading low power consumption (CPU operating current of only 63 μA/MHz, STOP mode standby current as low as 230 nA) and outstanding processing performance (32.4 DMIPS @ 24MHz). The chip provides 14 I/O pins, an 11-channel 8/10-bit A/D converter, and rich peripherals including DMA, LVD, POR, PWM, and WDT, with support for CSI, I²C, and UART/USART communication interfaces. Operating from 1.8V to 5.5V with a temperature range of -40℃ to +85℃, it is widely used in industrial control, consumer electronics, home appliances, sensors, and building automation.

R5F1026AASP#55 Key Features

RL78 16-Bit CPU Core at 24MHz: Powered by an RL78 16-bit CISC CPU core running at up to 24MHz, delivering 32.4 DMIPS of processing performance. The RL78 architecture achieves efficient computation with single-cycle instruction execution and an optimized pipeline.

Large Memory Configuration: 16KB code flash for medium-complexity applications. 1.5KB RAM and 2KB data flash that can be read/written independently while the CPU runs.

Industry-Leading Ultra-Low Power: Manufactured on Renesas' efficient low-power process, with CPU operating current of only 63 μA/MHz and STOP mode standby current as low as 230 nA. The 1.8V to 5.5V wide operating voltage range supports 5V systems and battery-powered devices.

Rich Peripherals & Communication Interfaces: 14 I/O pins, 11-channel 8/10-bit A/D converter, 2-channel DMA controller, LVD, POR, PWM, WDT. Integrated CSI, I²C, and UART/USART interfaces.

Built-in Safety Features, IEC/UL 60730 Compliant: Built-in hardware illegal operation detection supports the household appliance safety standard IEC/UL 60730, enabling safe application in home appliance control and industrial control.

LSSOP-20 Compact Package: LSSOP-20 (4.4mm width) package measuring 4.4mm × 6.5mm × 1.45mm with 0.65mm pitch, MSL rating 3 (168 hours) , RoHS3 compliant.

R5F1026AASP#55 Applications

The R5F1026AASP#55 is widely used in:

Industrial Control: PLC expansion modules, industrial sensors, motor control, power monitoring systems

Home Appliances: Air conditioners, refrigerators, washing machines, microwave ovens

Consumer Electronics: Smart home devices, remote controls, wearables

Sensors & IoT: Environmental sensors, data acquisition terminals, IoT nodes

Building Automation: Security systems, access control, lighting control

Office Equipment: Printers, scanners, multifunction peripherals

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FAQs:

1. Question: What is the R5F1026AASP#55?
   Answer: It is a 16-bit microcontroller from Renesas' RL78/G12 series in an LSSOP-20 package, featuring ultra-low power consumption and high functional integration for general-purpose embedded control applications.

2. Question: What is the core processor and operating frequency?
   Answer: It features a 16-bit RL78 core operating at up to 24 MHz, achieving 32.4 DMIPS at 24 MHz.

3. Question: What is the memory capacity?
   Answer: It includes 16 KB code flash, 2 KB data flash (EEPROM), and 1.5 KB RAM.

4. Question: What are the operating voltage and temperature ranges?
   Answer: The supply voltage range is 1.8 V to 5.5 V, and the operating temperature range is -40°C to +85°C, supporting wide-voltage and industrial-grade applications.

5. Question: How is the power consumption?
   Answer: It features a true low-power platform with CPU current of 63 μA/MHz. In standby (STOP) mode, current can drop to 230 nA.

6. Question: How many I/O ports and peripheral interfaces are provided?
   Answer: It offers 14 available I/O ports (some sources indicate 18), integrating CSI, I²C, UART/USART communication interfaces, and a 10-bit 11-channel ADC.

7. Question: What package and dimensions does it use?
   Answer: It uses an LSSOP-20 package with a 4.4 mm width and a 0.65 mm pitch, and a moisture sensitivity level of MSL 3.

8. Question: What hardware security features are available?
   Answer: It includes built-in safety features that detect illegal hardware operations, supporting the household appliance safety standard IEC/UL 60730.

9. Question: What are the main application scenarios?
   Answer: It is widely used in consumer electronics, home appliances, sensor modules, office equipment, healthcare devices, and security systems.

10. Question: What does the suffix #55 mean?
    Answer: #55 is Renesas' packing code indicating the device is shipped in tape and reel format, with a standard packing quantity of 4,000 per reel.