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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MEC1322 датащи(PDF) 145 Page - Microchip Technology |
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MEC1322 датащи(HTML) 145 Page - Microchip Technology |
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145 / 456 page  2014 - 2015 Microchip Technology Inc. DS00001719D-page 145 MEC1322 11.0 8042 EMULATED KEYBOARD CONTROLLER 11.1 Introduction The MEC1322 keyboard controller uses the EC to produce a superset of the features provided by the industry-standard 8042 keyboard controller. The 8042 Emulated Keyboard Controller is a Host/EC Message Interface with hardware assists to emulate 8042 behavior and provide Legacy GATEA20 support. 11.2 References There are no references for this block. 11.3 Interface This block is designed to be accessed externally via the pin interface and internally via a registered host interface. 11.4 Signal Description Note: There is no VCC emulation in hardware for this interface. FIGURE 11-1: I/O DIAGRAM OF BLOCK TABLE 11-1: SIGNAL DESCRIPTION TABLE Name Direction Description KBRST Output Keyboard Reset, routed to pin 8042 Emulated Keyboard Controller Signal Description Clock Inputs Interrupts Resets Host Interface |
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