
Document Number: 001-52469 Rev. *H Page 29 of 50
AC GPIO Specifications
Tab le 22 lists the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75 V to 5.25 V and
–40 °C T
A
85 °C, 3.0 V to 3.6 V and –40 °C T
A
85 °C, respectively. Typical parameters apply to 5 V and 3.3 V at 25 °C and
are for design guidance only.
Figure 10. GPIO Timing Diagram
Table 22. AC GPIO Specifications
Symbol Description Min Typ Max Units Notes
F
GPIO
GPIO operating frequency 0 – 12.6
[16]
MHz Normal strong mode
t
RISEF
Rise time, normal strong mode, Cload = 50 pF 3 – 18 ns V
DD
= 4.5 to 5.25 V, 10% to 90%
t
FALLF
Fall time, normal strong mode, Cload = 50 pF 2 – 18 ns V
DD
= 4.5 to 5.25 V, 10% to 90%
t
RISES
Rise time, slow strong mode, Cload = 50 pF 10 27 – ns V
DD
= 3 to 5.25 V, 10% to 90%
t
FALLS
Fall time, slow strong mode, Cload = 50 pF 10 22 – ns V
DD
= 3 to 5.25 V, 10% to 90%
Note
16. Accuracy derived from IMO with appropriate trim for V
DD
range.
TFallF
TFallS
TRiseF
TRiseS
90%
10%
GPIO
Pin
Output
Voltage
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