LPC47S457-NC SMSC [SMSC Corporation], LPC47S457-NC Datasheet - Page 113

• Manufacturer Part Number: LPC47S457-NC
• Description: Advanced I/O with X-Bus Interface
• Manufacturer: SMSC [SMSC Corporation]

6.11.9 LATCHES ON KEYBOARD AND MOUSE IRQS
The implementation of the latches on the keyboard and mouse interrupts is shown below.
SMSC LPC47S45x
8042
8042
KINT
MINT
KLATCH Bit
MLATCH Bit
FIGURE 2 − KEYBOARD LATCH
FIGURE 3 − MOUSE LATCH
RD 60
RD 60
DATASHEET
Page 113 of 259
VCC
VCC
D
D
CLR
CLR
Q
Q
KINT
MINT
new
new
Rev. 06-01-06