Details

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BUY HD64F3644HV https://www.utsource.net/itm/p/6878122.html

Parameter	Description	Value/Range
Device Type	Microcontroller	HD64F3644HV
Architecture	Core	16-bit RISC
Clock Speed	Maximum Clock Frequency	Up to 20 MHz
Flash Memory	Size	128 KB
RAM	Size	8 KB
Operating Voltage	Supply Voltage Range	2.7 V to 5.5 V
Temperature Range	Operating Temperature	-40°C to +85°C
I/O Pins	Number of I/O Pins	40
Communication Interfaces	Supported Communication Protocols	UART, SPI, I2C
Analog Inputs	Number of Analog Input Channels	10-bit ADC, 8 channels
Timers	Number and Type of Timers	3 x 16-bit timers
Watchdog Timer	Availability	Yes
Power Management	Low Power Modes	Sleep, Stop
Package Type	Housing	LQFP-48

Instructions for Use

1. Power Supply Setup:

   • Ensure the power supply voltage is within the specified range (2.7 V to 5.5 V).
   • Connect the VSS pin to ground and the VDD pin to the positive supply.

2. Clock Configuration:

   • Configure the internal oscillator or connect an external crystal/clock source as per the application requirement.
   • Set the clock prescaler values in software to achieve the desired system clock frequency.

3. Programming Flash Memory:

   • Use an appropriate programming tool compatible with the HD64F3644HV.
   • Follow the manufacturer’s guidelines for flashing the program into the microcontroller’s flash memory.

4. Pin Configuration:

   • Configure the I/O pins using the device's configuration registers for input, output, or special functions like communication interfaces.

5. Peripheral Initialization:

   • Initialize peripherals such as UART, SPI, I2C, ADC, and timers in your startup code before using them.
   • Configure the necessary registers for each peripheral according to the application requirements.

6. Interrupt Handling:

   • Enable global interrupts if required.
   • Write interrupt service routines (ISRs) for handling events from peripherals or other sources.

7. Low Power Modes:

   • Enter sleep or stop modes by configuring the relevant control bits in the power management registers.
   • Ensure proper wake-up conditions are set up for resuming operation.

8. Debugging:

   • Utilize on-chip debugging features supported by the microcontroller for troubleshooting and development purposes.

9. Refer to Datasheet:

   • Always refer to the official datasheet and reference manual for detailed specifications, timing diagrams, and advanced configurations not covered here.

(For reference only)