FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 232

• Manufacturer Part Number: FDC37B78X
• Description: Enhanced Super I/O Controller with ACPI Support/ Real Time Clock and Consumer IR
• Manufacturer: SMSC Corporation

8042 CPU
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 15 - INTERNAL 8042 CPU TIMING
TABLE 94 - INTERNAL 8042 CPU TIMING
DESCRIPTION
232
t3
t2
t1
MIN
TYP
MAX
40
40
40
UNITS
ns
ns
ns