Details

---

BUY MC68HC000FN16 https://www.utsource.net/itm/p/1728071.html
Addendum to M68000 User Manual

Below is the parameter table and instructions for the MC68HC000FN16 microprocessor:

Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	Vcc	4.75	5.0	5.25	V
Operating Temperature	Ta	-40	-	85	°C
Maximum Clock Frequency	fmax	-	16	-	MHz
Minimum Clock Period	Tcyc	62.5	-	-	ns
Internal Oscillator Accuracy	Δf/f	-	±0.5%	-	%
Output High Voltage	VOH	2.4	-	Vcc-0.5	V
Output Low Voltage	VOL	0	-	0.5	V
Input High Voltage	VIH	2.0	-	Vcc	V
Input Low Voltage	VIL	0	-	0.8	V
Input Leakage Current	IIH, IIL	-1	0	1	μA
Output Leakage Current	IOH, IOL	-10	-	10	mA
Power Consumption (Active)	Pactive	-	1.2	-	W
Power Consumption (Idle)	Pidle	-	0.3	-	W

Instructions

1. Power Supply:

   • Connect Vcc to +5V and GND to 0V.
   • Ensure stable power supply with appropriate decoupling capacitors (e.g., 0.1μF ceramic capacitor) placed close to the power pins.

2. Clock Input:

   • Connect the clock signal to the CLK pin.
   • The clock frequency should not exceed 16 MHz for reliable operation.
   • Use a stable crystal oscillator or an external clock source.

3. Reset:

   • Apply a reset signal to the RESET pin to initialize the processor.
   • The reset signal should be held high for at least 100ns after power-up.

4. Address and Data Buses:

   • Connect the address lines (A0-A23) to the memory or peripheral devices.
   • Connect the data lines (D0-D15) to the memory or peripheral devices.
   • Ensure proper termination and signal integrity for reliable operation.

5. Control Signals:

   • Connect the control signals (R/W, E, DTACK, etc.) to the corresponding memory or peripheral devices.
   • Refer to the specific device datasheets for timing and control signal requirements.

6. Interrupts:

   • Connect interrupt requests to the IRQ pin.
   • Configure the interrupt vector table and enable interrupts as needed.

7. Power Management:

   • To reduce power consumption, use the HALT or STOP instructions to enter low-power modes.
   • Ensure that the power supply remains stable during these modes.

8. Programming:

   • Use an assembler or compiler to write and assemble code for the MC68HC000.
   • Load the program into the memory connected to the microprocessor.
   • Debug using a suitable debugger or emulator.

9. Thermal Considerations:

   • Ensure adequate cooling if operating at high frequencies or under heavy loads.
   • Use a heatsink if necessary, especially for extended operation.

10. Storage and Handling:

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

Notes:

• Always refer to the official MC68HC000FN16 datasheet for the most accurate and detailed information.
• Ensure all connections are secure and free from short circuits to prevent damage to the microprocessor.

(For reference only)