FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 228

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

ROM INTERFACE
Note 1: RD[x] driven by FDC37B78x, SD[x] driven by system
Note 2: RD[x] driven by ROM, SD[x] driven by FDC37B78x
Note 1: Outputs have a 50 pf load.
NAME
n R O M O E
n R O M C S
t1
t2
t3
t4
t5
t6
t7
t8
R D [x]
SD[x]
SD[x] Valid to RD[x] Valid
nROMCS Active to RD[X] Driven
nROMCS Inactive to RD[X] Float
RD[x] Valid to SD[x] Valid
nROMCS Active to SD[X] Driven
nROMCS Inactive to SD[X] Float
nROMOE Active to RD[x] Float
nROMOE Inactive to RD[x] Driven
t2
DESCRIPTION
FIGURE 11 - ROM INTERFACE TIMING
Note 1
TABLE 91 - ROM INTERFACE TIMING
t1
228
t3
t2
MIN
t7
t5
Note 2
t4
TYP
MAX
25
25
25
25
25
25
25
25
t8
t6
t3
UNITS
ns
ns
ns
ns
ns
ns
ns
ns