Huawei MU509-65 HSDPA Hardware Manual page 27

HUAWEI MU509-65 HSDPA LGA Module
Hardware Guide
Figure 3-6 Power on timing sequence
Table 3-6 Parameters description
Parameter
T
PON
T
PD+
If the DTE needs to detect the PID/VID of module during the BIOS phase, the
detection time should exceed the T
Power-Off Time Sequence
Figure 3-7 Power off timing
Table 3-7 Parameters description
Parameter
T
POFF
T
PD+
Issue 01 (2016-04-08)
Comments
POWER_ON_OFF turn on time.
POWER_ON_OFF Valid to USB D+ high
PD+
Comments
POWER_ON_OFF turn off time
POWER_ON_OFF Valid to USB D+ high 4.6
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Description of the Application Interfaces
Time
(Nominal values)
0.5 < T
4
time.
Time
(Nominal values)
0.5 < T
Unit
< 1 s
PON
s
Unit
< 4 s
POFF
s
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