Details

---

BUY W77E058A40FL https://www.utsource.net/itm/p/12392165.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Supply Voltage	VCC	2.7	-	5.5	V	Operating voltage range
Operating Temperature	Toper	-40	-	85	°C	Industrial temperature range
Storage Temperature	Tstg	-65	-	150	°C	Storage temperature range
Flash Memory Size	-	-	58	-	KB	Program memory size
SRAM Size	-	-	4	-	KB	Data memory size
Number of I/O Pins	-	-	40	-	-	Total number of I/O pins
Maximum Clock Frequency	fosc	-	33	-	MHz	Maximum operating frequency
Low Power Mode Current	Icc	-	0.1	-	μA	Current consumption in low power mode (典型值)
Active Mode Current	Icc	-	20	-	mA	Current consumption in active mode (典型值)
Watchdog Timer	-	-	Yes	-	-	Availability of watchdog timer
UARTs	-	-	2	-	-	Number of UART interfaces
SPIs	-	-	1	-	-	Number of SPI interfaces
I2Cs	-	-	1	-	-	Number of I2C interfaces
Timers/Counters	-	-	5	-	-	Number of timers/counters
ADC Channels	-	-	10	-	-	Number of ADC channels
ADC Resolution	-	-	10-bit	-	bits	Resolution of ADC
PWM Channels	-	-	8	-	-	Number of PWM channels
Package Type	-	-	LQFP	-	-	Leadless Quad Flat Package

Instructions for Using W77E058A40FL

1. Power Supply:

   • Ensure the supply voltage is within the specified range (2.7V to 5.5V).
   • Use a stable power source to avoid voltage fluctuations that could affect performance.

2. Temperature Considerations:

   • Operate the device within the industrial temperature range (-40°C to 85°C).
   • Store the device within the storage temperature range (-65°C to 150°C).

3. Clock Configuration:

   • Set the clock frequency to a maximum of 33 MHz for optimal performance.
   • Use an external crystal or oscillator if necessary to achieve the desired clock speed.

4. Low Power Mode:

   • Utilize the low power mode to reduce current consumption to approximately 0.1 μA.
   • Enter low power mode by configuring the appropriate registers.

5. I/O Pin Configuration:

   • Configure the I/O pins as inputs or outputs based on your application requirements.
   • Use internal pull-up resistors when necessary to avoid floating inputs.

6. Communication Interfaces:

   • Initialize UART, SPI, and I2C interfaces according to the specific communication protocol.
   • Set baud rates and other parameters as required for each interface.

7. Timers and Counters:

   • Configure timers and counters for various timing and counting tasks.
   • Use prescalers to adjust the timing resolution as needed.

8. ADC Usage:

   • Configure the ADC channels to sample analog signals.
   • Set the reference voltage and conversion mode (single-ended or differential).

9. PWM Channels:

   • Configure PWM channels for generating pulse-width modulated signals.
   • Set the duty cycle and frequency for each PWM channel.

10. Watchdog Timer:

    • Enable the watchdog timer to reset the microcontroller if it becomes unresponsive.
    • Configure the watchdog timer period to suit your application.

11. Programming and Debugging:

    • Use an appropriate programmer to load firmware into the flash memory.
    • Utilize debugging tools to monitor and control the microcontroller during development.

12. Package Handling:

    • Handle the LQFP package with care to avoid damage to the leads.
    • Follow ESD (Electrostatic Discharge) precautions to prevent damage to the device.

By following these instructions, you can effectively use the W77E058A40FL microcontroller in your applications.

(For reference only)