Datasheet
R01DS0355EJ0110
Rev.1.10
RA4M1 Group
Datasheet
Sep 29, 2023
High efficiency 48-MHz Arm® Cortex®-M4 core, 256-KB code flash memory, 32-KB SRAM, Segment LCD Controller,
Capacitive Touch Sensing Unit, USB 2.0 Full-Speed Module, 14-bit A/D Converter, 12-bit D/A Converter, security and
safety features
Features
■ Arm Cortex-M4 Core with Floating Point Unit (FPU)
Armv7E-M architecture with DSP instruction set
Maximum operating frequency: 48 MHz
■ System and Power Management
Low power modes
Realtime Clock (RTC) with calendar and Battery Backup support
Event Link Controller (ELC)
DMA Controller (DMAC) × 4
Support for 4-GB address space
Arm Memory Protection Unit (Arm MPU) with 8 regions
Debug and Trace: ITM, DWT, FPB, TPIU, ETB
CoreSight™ Debug Port: JTAG-DP and SW-DP
Data Transfer Controller (DTC)
Key Interrupt Function (KINT)
Power-on reset
■ Memory
Low Voltage Detection (LVD) with voltage settings
256-KB code flash memory
8-KB data flash memory (100,000 program/erase (P/E) cycles)
32-KB SRAM
Flash Cache (FCACHE)
Memory Protection Unit (MPU)
128-bit unique ID
■ Security and Encryption
AES128/256
GHASH
True Random Number Generator (TRNG)
■ Human Machine Interface (HMI)
Segment LCD Controller (SLCDC)
- Up to 38 segments × 4 commons
- Up to 34 segments × 8 commons
Capacitive Touch Sensing Unit (CTSU)
■ Connectivity
USB 2.0 Full-Speed Module (USBFS)
- On-chip transceiver with voltage regulator
- Compliant with USB Battery Charging Specification 1.2
Serial Communications Interface (SCI) × 4
- UART
■ Multiple Clock Sources
Main clock oscillator (MOSC)
- Simple IIC
(1 to 20 MHz when VCC = 2.4 to 5.5 V)
(1 to 8 MHz when VCC = 1.8 to 2.4 V)
(1 to 4 MHz when VCC = 1.6 to 1.8 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
- Simple SPI
Serial Peripheral Interface (SPI) × 2
I2C bus interface (IIC) × 2
Controller Area Network (CAN) module
Serial Sound Interface Enhanced (SSIE)
■ Analog
14-bit A/D Converter (ADC14)
12-bit D/A Converter (DAC12)
8-bit D/A Converter (DAC8) ×2 (for ACMPLP)
Low-Power Analog Comparator (ACMPLP) × 2
Operational Amplifier (OPAMP) × 4
Temperature Sensor (TSN)
■ General Purpose I/O Ports
Up to 84 input/output pins
- Up to 3 CMOS input
■ Timers
General PWM Timer 32-Bit (GPT32) × 2
General PWM Timer 16-Bit (GPT16) × 6
Low Power Asynchronous General-Purpose Timer (AGT) × 2
Watchdog Timer (WDT)
- Up to 81 CMOS input/output
- Up to 9 input/output 5-V tolerant
- Up to 2 high current (20 mA)
■ Safety
■ Operating Voltage
VCC: 1.6 to 5.5 V
Error Correction Code (ECC) in SRAM
SRAM parity error check
Flash area protection
■ Operating Temperature and Packages
Ta = -40°C to +85°C
- 100-pin LGA (7 mm × 7 mm, 0.65 mm pitch)
Ta = -40°C to +105°C
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
- 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch)
- 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch)
- 64-pin QFN (8 mm × 8 mm, 0.4 mm pitch)
- 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch)
- 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch)
- 40-pin QFN (6 mm × 6 mm, 0.5 mm pitch)
Main oscillator stop detection
Illegal memory access
R01DS0355EJ0110 Rev.1.10
Sep 29, 2023
Page 1 of 131
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