LPC47M112_07 SMSC [SMSC Corporation], LPC47M112_07 Datasheet - Page 178

• Manufacturer Part Number: LPC47M112_07
• Description: Enhanced Super I/O Controller with LPC Interface
• Manufacturer: SMSC [SMSC Corporation]

Enhanced Super I/O Controller with LPC Interface
Datasheet
Note 1: Internal write-protection period after Vcc passes 2.7 volts on power-up.
SMSC DS – LPC47M112
NAME
NAME
t1
t2
t1
t2
A l l H o s t
A c c e s s e s
t1
t2
t3
CLOCKI
V c c
Clock Cycle Time for 14.318MHz
Clock High Time/Low Time for 14.318MHz
Clock Cycle Time for 32kHz
Clock High Time/Low Time for 32kHz
Clock Rise Time/Fall Time (not shown)
Vcc Slew from 2.7V to 0V
Vcc Slew from 0V to 2.7V
All Host Accesses After Powerup (Note 1)
DESCRIPTION
DESCRIPTION
FIGURE 9A - INPUT CLOCK TIMING
t 1
FIGURE 8 - POWER-UP TIMING
DATASHEET
Page 178
t1
t2
MIN
125
300
100
MIN
t 2
20
TYP
t2
69.84
31.25
16.53
TYP
35
t 3
MAX
500
MAX
5
UNITS
UNITS
μs
μs
μs
ns
ns
μs
μs
ns
Rev. 02-16-07