FDC37B787-NS SMSC, FDC37B787-NS Datasheet - Page 223

• Manufacturer Part Number: FDC37B787-NS
• Description: IC CTRLR SUPER I/O ENH 128-QFP
• Manufacturer: SMSC

Specifications of FDC37B787-NS

• Controller Type: I/O Controller
• Interface: ISA Host
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 70mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1006

8042 CPU
Note 1: IBF, nWRT and nRD are internal signals.
Note 2: PCOBF is used for the Keyboard IRQ.
Note 3
NAME
AUXOBF1
t1
t2
t3
PCOBF
nWRT
nRD
IBF
AUXOBF1 is used for the Mouse IRQ.
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
231
t3
t2
t1
MIN
TYP
MAX
40
40
40
UNITS
ns
ns
ns