Details

---

BUY MC912DG128ACPVE https://www.utsource.net/itm/p/9226256.html
IC MCU 16BIT 128KB FLASH 112LQFP

Parameter	Description	Value
Part Number	Full part number	MC912DG128ACPVE
Device Type	Microcontroller	8-bit
Architecture	Core	MC9S12DG128
Flash Memory	Size	128 KB
RAM	Size	8 KB
Operating Voltage	Range	5.0 V to 3.3 V
Clock Speed	Maximum Frequency	80 MHz
Package Type	Package	LQFP (Low-Profile Quad Flat Package)
Pin Count	Number of Pins	64
Temperature Range	Operating Temperature	-40°C to +85°C
I/O Ports	Number of I/O Pins	48
Analog-to-Digital Converter (ADC)	Channels / Resolution	8 channels, 10-bit
Timers	Number of Timers	2 x 16-bit, 1 x 8-bit
Serial Communication Interfaces (SCI)	Number of SCI Modules	2
Serial Peripheral Interface (SPI)	Number of SPI Modules	1
Inter-Integrated Circuit (I2C)	Number of I2C Modules	1
Watchdog Timer (WDT)	Included	Yes
Brown-Out Reset (BOR)	Included	Yes
Low-Voltage Detect (LVD)	Included	Yes
Power-On Reset (POR)	Included	Yes
External Interrupts	Number of External Interrupts	16
Programmable Watchdog Timer (PWDT)	Included	Yes
Reset Pin	Included	Yes
Programming Interface	JTAG / BDM (Background Debug Mode)	JTAG, BDM

Instructions for Use

1. Power Supply:

   • Ensure the operating voltage is within the specified range (5.0 V to 3.3 V).
   • Connect the power supply to the VCC and GND pins as indicated in the pinout diagram.

2. Clock Configuration:

   • Configure the internal oscillator or connect an external crystal oscillator to achieve the desired clock speed.
   • Set the clock source using the appropriate configuration bits in the system control registers.

3. Reset:

   • Apply a reset signal to the RESET pin to initialize the microcontroller.
   • The microcontroller will execute the reset routine and start from the reset vector address.

4. Programming:

   • Use a JTAG or BDM programmer to program the flash memory.
   • Follow the programming guidelines provided in the device datasheet for correct programming sequences.

5. I/O Configuration:

   • Configure the I/O ports using the data direction registers (DDR) to set input or output modes.
   • Use the port data registers (PORT) to read or write data to the I/O pins.

6. Interrupt Handling:

   • Enable interrupts by setting the appropriate bits in the interrupt enable registers.
   • Write interrupt service routines (ISRs) to handle specific interrupt events.

7. Peripheral Initialization:

   • Initialize the ADC, timers, and communication interfaces by configuring the respective control registers.
   • Refer to the peripheral-specific sections in the datasheet for detailed initialization steps.

8. Power Management:

   • Utilize the low-power modes (e.g., idle, stop) to reduce power consumption when not actively processing.
   • Manage power consumption by disabling unused peripherals.

9. Debugging:

   • Use the BDM interface for debugging purposes to monitor and control the microcontroller during development.
   • Connect a debugger to the BDM pins and use a debugging tool to step through code, set breakpoints, and inspect variables.

10. Storage and Handling:

    • Store the microcontroller in a dry, static-free environment.
    • Handle with care to avoid damage to the pins and package.

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

(For reference only)