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LPC47M192 Datasheet(PDF) 111 Page - SMSC Corporation

Part # LPC47M192
Description  LPC SUPER I/O WITH HARDWARE MONITORING BLOCK
PDF  228 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LPC47M192 Datasheet(HTML) 111 Page - SMSC Corporation

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SMSC DS – LPC47M192
Page 111
Rev. 03/30/05
DATASHEET
Latches On Keyboard and Mouse IRQs
The implementation of the latches on the keyboard and mouse interrupts is shown below.
8042
VCC
DQ
KINT
KINT
new
RD 60
CLR
KLATCH Bit
FIGURE 5 - KEYBOARD LATCH
8042
VCC
DQ
MINT
MINT
new
RD 60
CLR
MLATCH Bit
FIGURE 6 - MOUSE LATCH



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