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Description
PERIPHERAL INTERFACE ADAPTER
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The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
Description
The MC5821 Peripheral Interface Adapter provides the universal means of interfacing peripheral equipment to the M6800 family of microprocessors. This device is capable of interfacing the MPU to peripherals through two 8-bit bidirectional peripheral data buses end four control lines. No external logic is required for interfacing to most peripheral devices The functional configuration of the PIA is programmed by the MPLJ during system initialization. Each of the peripheral data lines can be programmed to act as an input or output, and each of the four control/interrupt lines may be programmed for one of several Control modes. This allows a high degree of flexibity in the overall operation of -- the interface.
Features
● 8-Bit Bidirectional Data Bus for Communication with the MPU
● Two Bidirectional 8-Bit Buses for Interface to Peripherals
● Two Programmable Control Registers
● Two Programmable Data Direction Registers
● Four Individually-Controlled Interrupt Input Lines; Two Usable as Peripheral Control Outputs
● Handshake Control Logic for Input and Output Peripheral Operation
● High-Impedance Three-State and Direct Transistor Drive Peripheral Lines
● Program Controlled Interrupt and Interrupt Disable Capability
● CMOS Drive Capability on Side A Peripheral Lines
● Two TTL Drive Capability on All A and B Side Buffers
● TTL-Compatible
● Static Operation
Preview of the first 3 pages of the data sheet
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $3.27840 | US $2.95056 | US $2.95056 |
| ≥5: | US $3.11448 | US $2.80303 | US $14.01515 |
| ≥10: | US $2.95056 | US $2.65550 | US $26.55500 |
| ≥20: | US $2.86860 | US $2.58174 | US $51.63480 |
| ≥50: | US $2.78664 | US $2.50798 | US $125.39900 |
| ≥100: | US $2.70468 | US $2.43421 | US $243.42100 |
| ≥200: | US $2.62272 | US $2.36045 | US $472.09000 |
| ≥500: | US $2.58994 | US $2.33095 | US $1165.47500 |
| ≥1000: | US $2.54076 | US $2.28668 | US $2286.68000 |
Substitute (equivalent) Product
| Product Name | Description |
|---|---|
| MC6822P | Dual 8-Bit Peripheral Interface Adapter (PIA) with enhanced features for microprocessor systems. |
| 82C55 | Programmable Peripheral Interface (PPI) used for parallel I/O expansion in microprocessor systems. |
| 6821 | Standard 6821 PIA chip, compatible with the original MC6821P. |
| 8255A | Programmable Peripheral Interface (PPI) designed for use with Intel microprocessors. |
| MC6823P | Single 8-bit Peripheral Interface Adapter (PIA) with additional control functions. |
Product Usage
The MC6821P is a Peripheral Interface Adapter (PIA) chip, which was commonly used in early microcomputer systems and various peripheral interfaces. This chip allows a microprocessor to interface with external devices by providing parallel I/O ports. Here are some specific applications and circuits where the MC6821P has been used:
Home Computers:
Industrial Control Systems:
Embedded Systems:
Peripheral Devices:
Educational Kits:
Here’s a simple example of how the MC6821P might be used in a circuit to interface with a microprocessor:
The MC6821P is a versatile chip that has been widely used in various circuits and systems for managing I/O operations. Its applications range from home computers and industrial control systems to educational kits and custom embedded designs. If you have a specific application in mind, feel free to provide more details, and I can offer more tailored advice!
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| Flag | Country | Estimated Delivery Time | Minimum First Weight Cost | ||
|---|---|---|---|---|---|
| Express | Standard Shipping | Express (0.5kg) | Standard Shipping (0.05kg) | ||
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Returns are normally accepted when completed within 90 days from the date of the parcel delivered.
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Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
MC6821P
MC6821P has several brands around the world that may have alternate names for MC6821P due to regional differences or acquisition. MC6821P may also be known as the following names:
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