mcimx50 Freescale Semiconductor, Inc, mcimx50 Datasheet - Page 25

• Manufacturer Part Number: mcimx50
• Description: I.mx50 Applications Processors For Consumer Products
• Manufacturer: Freescale Semiconductor, Inc

4.2
The system design must comply with the power-up and power-down sequence guidelines as described in
this section to guarantee reliable operation of the device. Any deviation from these sequences can result in
the following situations:
4.2.1
Figure 2
Freescale Semiconductor
Digital supply
VCC (1.2 V)
•
•
•
Excessive current during power-up phase
Prevention of the device from booting
Irreversible damage to the i.MX50 processor (worst-case scenario)
shows the power-up sequence.
Supply Power-Up/Power-Down Requirements and Restrictions
Power-Up Sequence
Parameter
Table 14. USB Interface Current Consumption (continued)
i.MX50 Applications Processors for Consumer Products, Rev. 0
Figure 2. Power-Up Sequence
High speed
Full speed
Conditions
RX
TX
RX
TX
Typical @ 25 °C
6
6
6
6
Electrical Characteristics
Max
7
7
7
7
Unit
mA
25