R5F3640DNFB: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Description	Value	Unit
Package	Type of package	LQFP
Pin Count	Number of pins	48
Operating Voltage (Vcc)	Supply voltage range	1.6 to 3.6	V
Flash Memory	Size of flash memory	64	KB
RAM	Size of RAM	8	KB
CPU Speed	Maximum CPU clock speed	52	MHz
ADC Resolution	Analog-to-digital converter resolution	12-bit	bits
Temperature Range	Operating temperature range	-40 to +85	°C
Timer Channels	Number of timer channels	6
UART Interfaces	Number of UART interfaces	2
SPI Interfaces	Number of SPI interfaces	2
I2C Interfaces	Number of I2C interfaces	1

Power Supply Setup:
- Ensure the supply voltage (Vcc) is within the specified range of 1.6V to 3.6V.
- Connect decoupling capacitors close to the power pins to stabilize the power supply.
Clock Configuration:
- Configure the CPU clock using an external crystal or internal oscillator as per application requirements.
- Verify the maximum CPU clock speed does not exceed 52 MHz.
Memory Access:
- Utilize the 64KB flash memory and 8KB RAM efficiently for program and data storage.
- Follow the programming guidelines provided in the datasheet for writing to flash memory.
Peripheral Initialization:
- Initialize UART, SPI, and I2C interfaces according to communication protocol needs.
- Configure ADC for analog signal processing with a 12-bit resolution.
Interrupt Handling:
- Set up interrupt vectors and handlers for efficient event-driven operation.
- Prioritize interrupts based on the criticality of tasks.
Temperature Monitoring:
- Operate the device within the temperature range of -40°C to +85°C to ensure reliable performance.
- Implement thermal management techniques if operating near the upper limit.
Development Tools:
- Use recommended development tools and software for programming and debugging.
- Refer to the manufacturer’s documentation for detailed setup instructions and code examples.

(For reference only)