Details

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BUY MC88916DW80 https://www.utsource.net/itm/p/12591479.html

Parameter	Description	Value
Part Number	Full Part Number	MC88916DW80
Package Type	Package Style	80-Pin PQFP (Plastic Quad Flat Pack)
Operating Temperature Range	Temperature Range for Operation	-40°C to +85°C
Supply Voltage (VCC)	Recommended Operating Supply Voltage	3.3V ± 5%
Clock Frequency	Maximum Clock Frequency	20 MHz
Flash Memory	On-Chip Flash Memory Size	16 KB
RAM	On-Chip RAM Size	1 KB
I/O Ports	Number of I/O Ports	32
Timers	Number of Timers	2 x 16-bit Timer/Counters
Interrupts	Number of Interrupt Sources	16
Serial Interfaces	Available Serial Interfaces	UART, SPI, I2C
Watchdog Timer	Watchdog Timer Availability	Yes
Low Power Modes	Low Power Modes	Idle, Doze, Standby, Stop
Power Consumption	Typical Power Consumption at 3.3V, 20 MHz	15 mA
Programming Interface	In-System Programming Interface	JTAG, ISP (In-System Programming)
Package Dimensions	Package Dimensions (LxWxH)	14 mm x 14 mm x 1.4 mm

Instructions for Use

1. Power Supply:

   • Ensure that the supply voltage (VCC) is within the specified range of 3.3V ± 5%.
   • Connect the ground (GND) pin to a stable ground reference.

2. Clock Configuration:

   • The device supports an external crystal or oscillator up to 20 MHz. Connect the appropriate crystal or oscillator to the XTAL1 and XTAL2 pins.
   • Alternatively, use the internal RC oscillator if a lower precision is acceptable.

3. Reset:

   • Apply a reset signal to the RESET pin to initialize the microcontroller. The reset can be generated by a pushbutton or a reset circuit.

4. Programming:

   • Use the JTAG or ISP interface for programming the device. Ensure that the programming software is compatible with the MC88916DW80.
   • Follow the programming guide provided by the manufacturer for detailed steps on how to program the flash memory.

5. I/O Configuration:

   • Configure the I/O ports as inputs or outputs using the appropriate register settings.
   • Use pull-up or pull-down resistors as needed for input pins.

6. Timers and Interrupts:

   • Initialize the timers and configure the interrupt sources as required by your application.
   • Write the necessary interrupt service routines (ISRs) to handle interrupts.

7. Serial Communication:

   • Configure the UART, SPI, or I2C interfaces for serial communication.
   • Set the baud rate, data format, and other parameters according to your communication requirements.

8. Low Power Modes:

   • Enter low power modes (Idle, Doze, Standby, Stop) to reduce power consumption when the device is not actively processing data.
   • Use the appropriate control registers to switch between different power modes.

9. Watchdog Timer:

   • Enable the watchdog timer to ensure the device resets if it becomes stuck in an infinite loop.
   • Configure the watchdog timer period and enable it through the appropriate registers.

10. Testing and Debugging:

    • Use the JTAG interface for debugging purposes to monitor and control the microcontroller during development.
    • Verify the functionality of the device using test programs and hardware test setups.

For more detailed information, refer to the datasheet and application notes provided by the manufacturer.

(For reference only)