Details

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BUY MC9S12DG128CFUER https://www.utsource.net/itm/p/7432481.html
HCS12 HCS12 Microcontroller IC 16-Bit 25MHz 128KB (128K x 8) FLASH 80-QFP (14x14)

Parameter	Description	Value
Device	Microcontroller	MC9S12DG128CFUER
Family	S12 (HCS12)	-
Architecture	16-bit CPU	-
Package	LQFP-80	-
Operating Voltage	VCC Range	4.5V to 5.5V
Flash Memory	Program Memory	128KB
RAM	Data Memory	8KB
EEPROM	Non-Volatile Data Storage	2KB
Clock Frequency	Maximum Clock Speed	25MHz
I/O Ports	General Purpose I/Os	56
Timers	8-bit Timer Modules	2
Timers	16-bit Timer Modules	2
Serial Communication Interfaces (SCI)	UARTs	2
Serial Peripheral Interface (SPI)	SPIs	1
Inter-Integrated Circuit (I2C)	I2C Buses	1
Analog-to-Digital Converter (ADC)	Channels	8
Analog-to-Digital Converter (ADC)	Resolution	10-bit
Digital-to-Analog Converter (DAC)	Channels	1
Digital-to-Analog Converter (DAC)	Resolution	8-bit
Watchdog Timer (WDT)	-	1
Low-Voltage Detection (LVD)	-	Yes
Brownout Reset (BOR)	-	Yes
Power-On Reset (POR)	-	Yes
Temperature Range	Operating Temperature	-40°C to +85°C
Package Size	Dimensions	14mm x 14mm x 1.4mm

Instructions for Use:

1. Power Supply:

   • Connect the VCC pin to a power supply within the range of 4.5V to 5.5V.
   • Connect the GND pin to ground.

2. Clock Configuration:

   • The microcontroller can be configured to use an external crystal oscillator or an internal RC oscillator.
   • For external crystal, connect the crystal between the X1 and X2 pins and add appropriate load capacitors.

3. Programming:

   • Use an in-circuit debugger/programmer compatible with the HCS12 family to program the flash memory.
   • Ensure the programming voltage (VPPT) is applied correctly if using a high-voltage programmer.

4. Reset:

   • Apply a low signal to the RESET pin to reset the microcontroller.
   • A pull-up resistor is recommended on the RESET line to prevent accidental resets.

5. Serial Communication:

   • Configure the SCI, SPI, and I2C interfaces as needed using the respective control registers.
   • Ensure proper pull-up resistors are used for I2C lines.

6. Analog Inputs:

   • Connect analog signals to the ADC channels.
   • Configure the ADC module to select the desired channel and start conversions.

7. Digital Outputs:

   • Set the direction of I/O pins using the data direction register (DDR).
   • Write to the output data register (PORT) to control the state of the pins.

8. Interrupts:

   • Enable and configure interrupts using the interrupt control registers.
   • Write interrupt service routines (ISRs) to handle specific events.

9. Low-Power Modes:

   • Use the power-down mode to reduce power consumption when the microcontroller is idle.
   • Ensure the watchdog timer is configured to wake up the microcontroller if necessary.

10. Environmental Considerations:

    • Operate the microcontroller within the specified temperature range to ensure reliable operation.
    • Use appropriate decoupling capacitors near the power supply pins to filter noise.

For detailed information, refer to the datasheet and application notes provided by NXP Semiconductors.

(For reference only)