Output
Z0= 50 Ω
Electrical characteristics
RL = 50 Ω
DVDD/2
Figure 29. I2C AC test load
This figure shows the AC timing diagram for the I2C bus.
SDA
SCL
S
tI2CL
tI2DVKH
tI2SXKL
tI2SXKL
tI2CH
tI2DXKL, tI2OVKL
tI2SVKH
Sr
tI2KHKL
tI2PVKH
P
Figure 30. I2C Bus AC timing diagram
tI2KHDX
S
3.18 GPIO interface
This section describes the DC and AC electrical characteristics for the GPIO interface.
3.18.1 GPIO DC electrical characteristics
This table provides the DC electrical characteristics for GPIO pins operating at LVDD =
2.5 V.
Table 56. GPIO DC electrical characteristics (2.5 V)3
Parameter
Input high voltage
Input low voltage
Input current (VIN = 0 V or VIN = LVDD)
Output high voltage
(LVDD = min, IOH = -1 mA)
Symbol
VIH
VIL
IIN
VOH
Min
1.7
-
-50
2.0
Max
-
0.7
+50
-
Table continues on the next page...
Unit
V
V
μA
V
Notes
1
1
2
-
QorIQ T2080 Data Sheet, Rev. 3, 03/2018
NXP Semiconductors
95