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O WD1771 foi o primeiro de uma linha de microcontroladores de drives de disquete produzido pela Western Digital. Usava o formato densidade simples, modulação FM, e suportava o formato de disco IBM 3740. Era encapsulado como um de 40 pinos.
, El FD1771, también llamado WD1771, es el p … El FD1771, también llamado WD1771, es el primer controlador de disquete de una familia fabricados por Western Digital. Usa y soporta el formato de disco del . Viene empaquetado en un DIP de 40 pines. Los modelos posteriores de la serie agregaron soporte para la codificación MFM y agregaron cada vez más circuitos integrados que anteriormente tenían que implementarse en componentes externos. Al cambiar por ello de DIP de 40 pines a DIP de 28 pines, redujo aún más los costos de implementación.dujo aún más los costos de implementación.
, The FD1771, sometimes WD1771, is the first … The FD1771, sometimes WD1771, is the first in a line of floppy disk controllers produced by Western Digital. It uses single density FM encoding introduced in the IBM 3740. It is packaged in a 40-pin DIP. Later models in the series added support for MFM encoding and increasingly added onboard circuitry that formerly had to be implemented in external components. Originally packaged as 40-pin dual in-line package (DIP) format, later models moved to a 28-pin format that further lowered implementation costs.that further lowered implementation costs.
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rdfs:comment |
O WD1771 foi o primeiro de uma linha de microcontroladores de drives de disquete produzido pela Western Digital. Usava o formato densidade simples, modulação FM, e suportava o formato de disco IBM 3740. Era encapsulado como um de 40 pinos.
, The FD1771, sometimes WD1771, is the first … The FD1771, sometimes WD1771, is the first in a line of floppy disk controllers produced by Western Digital. It uses single density FM encoding introduced in the IBM 3740. It is packaged in a 40-pin DIP. Later models in the series added support for MFM encoding and increasingly added onboard circuitry that formerly had to be implemented in external components. Originally packaged as 40-pin dual in-line package (DIP) format, later models moved to a 28-pin format that further lowered implementation costs.that further lowered implementation costs.
, El FD1771, también llamado WD1771, es el p … El FD1771, también llamado WD1771, es el primer controlador de disquete de una familia fabricados por Western Digital. Usa y soporta el formato de disco del . Viene empaquetado en un DIP de 40 pines. Los modelos posteriores de la serie agregaron soporte para la codificación MFM y agregaron cada vez más circuitos integrados que anteriormente tenían que implementarse en componentes externos. Al cambiar por ello de DIP de 40 pines a DIP de 28 pines, redujo aún más los costos de implementación.dujo aún más los costos de implementación.
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Western Digital FD1771
, WD1771
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