R7FA2A1AB3CFJ#AA0

The MCU integrates multiple series of software- and pin-compatible Arm-based 32-bit cores that share a common set of Renesas peripherals to facilitate design scalability and efficient platform-based product development. The MCU in this series incorporates an energy-efficient Arm Cortex-M23 32-bit core that is particularly well suited for cost-sensitive and low-power applications, with the following features: Up to 256-KB code flash memory 32-KB SRAM 16-bit A/D Converter (ADC16) 24-bit Sigma-Delta A/D Converter (SDADC24) 12-bit D/A Converter (DAC12) 8-bit D/A Converter (DAC8) Operational Amplifier (OPAMP) with configurable switches Security features.

Key features

• Armv8-M architecture
• Maximum operating frequency: 48 MHz
• Arm Memory Protection Unit (Arm MPU) with 8 regions
• Debug and Trace: DWT, FPB, and CoreSight MTB-M23
• CoreSight Debug Port: SW-DP
• Up to 256-KB code flash memory
• 8-KB data flash memory (100,000 program/erase (P/E) cycles)
• Up to 32-KB SRAM
• Flash Cache (FCACHE)
• Memory Protection Unit (MPU)
• Memory Mirror Function (MMF)
• 128-bit unique ID
• USB 2.0 Full-Speed (USBFS) module - On-chip transceiver with voltage regulator - Compliant with USB Battery Charging Specification 1.2
• Serial Communications Interface (SCI)×3 - UART - Simple IIC - Simple SPI
• Serial Peripheral Interface (SPI)×2
• I²C bus interface (IIC)×2
• Controller Area Network (CAN) module
• 16-bit A/D Converter (ADC16) - 1.2 Msps - Differential input mode - Single-ended input mode
• 24-bit Sigma-Delta A/D Converter (SDADC24) - 15.6 ksps - Differential input mode - Single-ended input mode
• 12-bit D/A Converter (DAC12)
• 8-bit D/A Converter (DAC8)×2
• High-Speed Analog Comparator (ACMPHS)
• Low-Power Analog Comparator (ACMPLP)×2
• Operational Amplifier (OPAMP)×3
• Temperature Sensor (TSN)
• General PWM Timer 32-bit (GPT32)
• General PWM Timer 16-bit (GPT16)×6
• Asynchronous General-Purpose Timer (AGT)×2
• Watchdog Timer (WDT)
• Error Correction Code (ECC) in SRAM
• SRAM parity error check
• Flash area protection
• ADC self-diagnosis function
• Clock Frequency Accuracy Measurement Circuit (CAC)
• Cyclic Redundancy Check (CRC) calculator
• Data Operation Circuit (DOC)
• Port Output Enable for GPT (POEG)
• Independent Watchdog Timer (IWDT)
• GPIO readback level detection
• Register write protection
• Main oscillator stop detection
• Illegal memory access
• Low power modes
• Realtime Clock (RTC)
• Event Link Controller (ELC)
• Data Transfer Controller (DTC)
• Key Interrupt Function (KINT)
• Power-on reset
• Low Voltage Detection (LVD) with voltage settings
• AES128/256
• True Random Number Generator (TRNG)
• Main clock oscillator (MOSC) (1 to 20 MHz when VCC = 2.4 to 5.5 V (1 to 8 MHz when VCC = 1.8 to 5.5 V (1 to 4 MHz when VCC = 1.6 to 5.5 V)
• Sub-clock oscillator (SOSC) (32.768 kHz)
• High-speed on-chip oscillator (HOCO) (24, 32, 48, 64 MHz when VCC = 2.4 to 5.5 V) (24, 32, 48 MHz when VCC = 1.8 to 5.5 V) (24, 32 MHz when VCC = 1.6 to 5.5 V)
• Middle-speed on-chip oscillator (MOCO) (8 MHz)
• Low-speed on-chip oscillator (LOCO) (32.768 kHz)
• IWDT-dedicated on-chip oscillator (15 kHz)
• Clock trim function for HOCO/MOCO/LOCO
• Clock out support
• Up to 49 input/output pins - Up to 3 CMOS input - Up to 46 CMOS input/output - Up to 9 input/output 5 V tolerant - Up to 3 high current (20 mA)
• VCC: 1.6 to 5.5 V
• Ta = -40℃ to +85℃ - 36-pin BGA (5 mm×5 mm, 0.8 mm pitch)
• Ta = -40℃ to +105℃ - 64-pin LQFP (10 mm×10 mm, 0.5 mm pitch) - 32-pin LQFP (7 mm×7 mm, 0.8 mm pitch) - 48-pin QFN (7 mm×7 mm, 0.5 mm pitch) - 40-pin QFN (6 mm×6 mm, 0.5 mm pitch)