MEC1404 Datasheet, PDF (509/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

43.5 GPIO Timings
FIGURE 43-4:
GPIO TIMING
MEC140X/1X
G P IO xxx
Tr
T p u ls e
Tf
T p u ls e
TABLE 43-8: GPIO TIMING PARAMETERS
Symbol
t_R
t_F
t_R
t_F
t_R
t_F
t_R
t_F
t_pulse
Parameter
GPIO Rise Time (push-pull)
GPIO Fall Time
GPIO Rise Time (push-pull)
GPIO Fall Time
GPIO Rise Time (push-pull)
GPIO Fall Time
GPIO Rise Time (push-pull)
GPIO Fall Time
GPIO Pulse Width
MIN
TYP
0.54
0.52
0.58
0.62
0.80
0.80
1.02
1.07
60
MAX
1.31
1.27
1.46
1.48
2.00
1.96
2.46
2.51
Unit
Notes
ns
Pad type =
IO2
ns
C_L=2pF
ns
Pad type =
IO4
ns
C_L=5pF
ns
Pad type =
IO8
ns
C_L=10pF
ns
Pad type =
IO12
ns
C_L=20pF
ns
43.6 eSPI Timing
See Microchip “eSPI Controller” Specification, DS00000A.
43.7 A20M Timing
Same timing as GPIO signals. See Section 43.5, "GPIO Timings," on page 509.
 2015 - 2016 Microchip Technology Inc.
DS00001956D-page 509