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80C42 Просмотр технического описания (PDF) - Intel
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Компоненты Описание
производитель
80C42
UNIVERSAL PERIPHERAL INTERFACE CHMOS 8-BIT SLAVE MICROCONTROLLER
Intel
80C42 Datasheet PDF : 25 Pages
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SYNC MODE TIMING DIAGRAMS
UPI-C42 UPI-L42
Minimum Specifications
SYNC Operation Time t
SYNC
e
3 5 XTAL 2 Clock cycles Reset Time t
RS
e
4 t
CY
NOTE
The rising and falling edges of T0 should occur during low state of XTAL 2 clock
APPLICATIONS
290414 – 15
Figure 7 UPI-C42 Keyboard Controller
290414 – 12
Figure 8 8088-UPI-C42 Interface
290414 – 9
13
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