Details

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BUY Z84C0008PEC /Z80CPU https://www.utsource.net/itm/p/12606204.html

Parameter	Description	Value
Part Number	Z84C0008PEC
Series	Z80CPU
Type	Microcontroller Unit (MCU)
Architecture	Z80
Clock Frequency	Maximum Clock Speed	10 MHz
Voltage (Vcc)	Supply Voltage	5 V
Current	Active Mode Current	120 mA (typical)
Temperature Range	Operating Temperature	-40掳C to +85掳C
Package	Package Type	40-Pin PDIP
Pin Count	Number of Pins	40
Data Bus Width	Data Bus Width	8 bits
Address Bus Width	Address Bus Width	16 bits
Program Memory	Program Memory Size	64 KB (external)
Data Memory	Data Memory Size	64 KB (external)
Interrupts	Number of Interrupt Sources	7
Instruction Set	Instruction Set	Z80 Instruction Set
Power Consumption	Power Consumption (active)	600 mW (typical)
I/O Ports	Number of I/O Ports	256 (external)
Timers/Counters	Number of Timers/Counters	2 (16-bit)
Serial Communication	Serial Communication Interfaces	UART
Special Features	Special Features	CMOS technology, low power consumption, high noise immunity

Instructions

1. Power Supply:

   • Connect the Vcc pin (pin 40) to a 5V supply.
   • Connect the GND pin (pin 20) to ground.

2. Clock Configuration:

   • Connect an external crystal or oscillator to the XTAL1 (pin 9) and XTAL2 (pin 10) pins for clock generation.
   • Alternatively, use an external clock source connected to the XTAL1 pin.

3. Reset:

   • Apply a reset signal to the RESET pin (pin 39) to initialize the CPU. The reset signal should be active low and held for at least 2 clock cycles.

4. Memory Mapping:

   • Configure the address lines (A0-A15) to interface with external memory.
   • Connect the data lines (D0-D7) to the external memory data bus.

5. I/O Ports:

   • Use the I/O port control signals (IORQ, M1, RD, WR) to manage data transfer between the CPU and peripheral devices.

6. Interrupt Handling:

   • Connect interrupt sources to the INT (pin 19) and NMI (pin 38) pins.
   • Implement interrupt service routines (ISRs) in your program to handle interrupts.

7. Serial Communication:

   • Use the TXD (pin 31) and RXD (pin 32) pins for serial communication.
   • Configure the serial communication parameters (baud rate, data format) in your program.

8. Programming:

   • Write your program using the Z80 instruction set.
   • Load the program into external memory or a programmable ROM.

9. Testing:

   • Verify the operation of the CPU by running simple test programs.
   • Monitor the status of the CPU using the ready (RDY) pin (pin 24) and wait state (WAIT) pin (pin 25).

10. Power Down:

    • To reduce power consumption, use the HALT instruction to put the CPU into a low-power mode.
    • Resume operation by applying an interrupt or reset signal.

For detailed technical specifications and application notes, refer to the official Z80CPU datasheet and user manual.

(For reference only)