FDC37B80X SMSC [SMSC Corporation], FDC37B80X Datasheet - Page 169

• Manufacturer Part Number: FDC37B80X
• Description: PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up
• Manufacturer: SMSC [SMSC Corporation]

Note 1: IBF, nWRT and nRD are internal signals.
Note 2: PCOBF is used for the Keyboard IRQ.
Note 3: AUXOBF1 is used for the Mouse IRQ.
NAME
AUXOBF1
t1
t2
t3
PCOBF
nWRT
nRD
IBF
nWRT deasserted to AUXOBF1 asserted (Notes 1,2)
nWRT deasserted to PCOBF asserted (Notes 1,3)
nRD deasserted to IBF deasserted (Note 1)
FIGURE 6 - INTERNAL 8042 CPU TIMING
DESCRIPTION
169
t3
t2
t1
MIN
TYP
MAX
40
40
40
UNITS
ns
ns
ns