Z84C9008ASG

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: High-performance, low-power consumption, versatile
• Package: 44-pin plastic quad flat package (PQFP)
• Essence: A powerful microcontroller designed for various control applications
• Packaging/Quantity: Available in reels of 250 units

Specifications

• Architecture: Z80 compatible
• Clock Frequency: Up to 20 MHz
• Memory: 8 KB ROM, 256 bytes RAM
• I/O Ports: 32 bidirectional ports
• Timers/Counters: Two 16-bit timers/counters
• Serial Interface: UART with programmable baud rate generator
• Interrupts: 6 external and 2 internal interrupts
• Operating Voltage: 3.0V - 5.5V
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The Z84C9008ASG microcontroller has a total of 44 pins. Here is the detailed pin configuration:

1. VCC
2. GND
3. RESET
4. INT0
5. INT1
6. INT2
7. INT3
8. INT4
9. INT5
10. INT6
11. INT7
12. INT8
13. INT9
14. INT10
15. INT11
16. INT12
17. INT13
18. INT14
19. INT15
20. XTAL1
21. XTAL2
22. CLKOUT
23. RD
24. WR
25. WAIT
26. BUSRQ
27. BUSACK
28. M1
29. IORQ
30. RDY
31. RESET OUT
32. A0-A15
33. D0-D7
34. VCC
35. GND
36. NC
37. NC
38. NC
39. NC
40. NC
41. NC
42. NC
43. NC
44. NC

Functional Features

• Z80 compatible architecture allows easy migration from existing designs.
• High-performance microcontroller with clock frequency up to 20 MHz.
• Versatile I/O ports for interfacing with external devices.
• Two 16-bit timers/counters for precise timing applications.
• UART with programmable baud rate generator for serial communication.
• Multiple interrupt sources for efficient event handling.
• Low-power consumption for extended battery life in portable applications.

Advantages and Disadvantages

Advantages: - Compatibility with Z80 architecture simplifies design migration. - High clock frequency enables fast execution of instructions. - Versatile I/O ports provide flexibility in interfacing with external devices. - Low-power consumption extends battery life in portable applications.

Disadvantages: - Limited on-chip memory (8 KB ROM, 256 bytes RAM) may require external memory expansion in complex applications. - Lack of built-in peripherals like ADC or PWM may require additional external components for certain applications.

Working Principles

The Z84C9008ASG microcontroller operates based on the Z80 compatible architecture. It executes instructions fetched from the internal ROM and performs various control tasks using its versatile I/O ports. The microcontroller can communicate with external devices through the UART and handle interrupts from both internal and external sources. By utilizing timers/counters, it can accurately measure time intervals and generate precise timing signals.

Detailed Application Field Plans

The Z84C9008ASG microcontroller finds applications in various fields, including but not limited to:

1. Industrial automation: Control systems for manufacturing processes, robotics, and machinery.
2. Home automation: Smart home devices, security systems, and energy management.
3. Automotive: Engine control units, dashboard displays, and vehicle diagnostics.
4. Consumer electronics: Remote controls, gaming consoles, and audio/video equipment.
5. Medical devices: Patient monitoring systems, diagnostic equipment, and medical instruments.

Detailed and Complete Alternative Models

1. Z84C9008VSC - 44-pin plastic shrink small outline package (SSOP)
2. Z84C9008FEC - 44-pin plastic quad flat package (QFP)
3. Z84C9008PEG - 44-pin plastic leaded chip carrier (PLCC)

These alternative models offer similar functionality to the Z84C9008ASG but come in different package options to suit specific design requirements.

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