AM3874_16 Datasheet, PDF (236/358 Pages) Texas Instruments – Sitara ARM Processors

AM3874, AM3871
SPRS695D – SEPTEMBER 2011 – REVISED JANUARY 2016
www.ti.com
9.7.2 GPIO Electrical Data/Timing
(see Figure 9-20)
NO.
1 t_w(GPIH)
2 t_w(GPIL)
(1) P = Module clock.
Table 9-31. Timing Requirements for GPIO Inputs
Pulse duration, GPx[31:0] input high
Pulse duration, GPx[31:0] input low
OPP100/122/166
MIN
12P ⁽¹⁾
12P ⁽¹⁾
MAX
UNIT
ns
ns
Table 9-32. Switching Characteristics Over Recommended Operating Conditions for GPIO Outputs
(see Figure 9-20)
NO.
3 t_w(GPOH)
4 t_w(GPOL)
PARAMETER
Pulse duration, GPx[31:0] output high
Pulse duration, GPx[31:0] output low
OPP100/122/166
MIN
36P-8 ⁽¹⁾
36P-8 ⁽¹⁾
MAX
UNIT
ns
ns
(1) P = Module clock.
GPx[31:0]
input
GPx[31:0]
output
2
1
4
3
Figure 9-20. GPIO Port Timing
236 Peripheral Information and Timings
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