 English |
|
|
|
|
|
|
|
| MEC1322 Datasheet, PDF (398/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC | |||
| |||
| ◁ |
MEC1322
38.1.2 VBAT THRESHOLDS AND VBAT_POR
FIGURE 38-3:
VBAT THRESHOLDS AND VBAT_POR
VBAT
VCC1GD
VBAT <VTH
VBAT_POR
Coin cell
insertion
TABLE 38-3: VBAT THRESHOLDS AND VBAT_POR
Parameters
Symbol
MIN
TYP
MAX
Units
Notes
VBAT Power On Reset Threshold VTH
1.125
1.25
1.375
V
Note 38-3
VBAT Rise Time (Off to VBAT
VRise
100
μs
=VThreshold)
Note 38-3 VBAT is monitored on two events: coin cell insertion and VCC1GD assertion. If VBAT is below VTH
when VCC1GD is asserted a VBAT_POR is generated.
38.2 Clocking AC Timing Characteristics
FIGURE 38-4:
CLOCK TIMING DIAGRAM
Period
High
Time
Fall Time
Low
Time
Rise Time
tSU
tADJ
DS00001719D-page 398
ï£ 2014 - 2015 Microchip Technology Inc.
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese