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UM6521A |
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| Part Number | UM6521A |
| Manufacturer | UMC |
| Description |
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| Features |
• Extended performance version of UM6520 • Single +5V power supply • Two 8-bit bi-directional I/O ports with individual data direction control • CMOS-compatible peripheral port A lines • Automatic "handshake" control of data transfers • Programmable interrupt capability • Automatic initialization on power up • 1 and 2 MHz versions • Direct replacement for Motorola MC6821 General Descr~ption The UM6521/A Peripheral Interface Adapter (PIA) is designed to provide a broad range of peripheral control to microcomputer systems. It is functionally compatible with the UM6520, but with more drive capa... |
| Document |
 UM6521A Data Sheet
PDF 525.35KB |
Similar Datasheet
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | UM6521 |
UMC |
Peripheral Interface Adapter |
|
| 2 | UM6520 |
UMC |
Peripheral Interface Adapter |
|
| 3 | UM6520A |
UMC |
Peripheral Interface Adapter |
|
| 4 | UM6522 |
UMC |
VERSATILE INTERFACE ADAPTER |
|
| 5 | UM6522A |
UMC |
VERSATILE INTERFACE ADAPTER |
|
| 6 | UM6502 |
UMC |
(UM6507) 8 Bit Microprocessor |
|
Desde 2024. D4U Semiconductor.
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