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Power Brick Controller User Manual
USB 2 Device Port
The USB "device" port is labeled "USB 2" on the front panel. It is a "Micro-B" format connector located
just below the USB host port. With this port, the Power PMAC CPU board acts as a peripheral device
when it is powered off. That is, you can access Power PMAC's flash memory with a host computer by
first powering down Power PMAC and then connecting it to the host device through this USB port.
Power PMAC will then act just like a USB flash drive. This is useful for recovering Power PMAC
projects which were stored in flash memory in the event that the Power PMAC is somehow damaged or
stops functioning.
Its pinout is below:
USB 2: 5-Pin Receptacle
Pin #
Symbol
1
VCC
2
D-
3
D+
4
ID
5
GND
This connector provides a USB "host" interface on a "Mini-B" connector. It is suitable for standard USB
connectors to external devices. This connector should be used for Host PC to Power PMAC
communication.
Connections and Software Setup
Function
Description
OUTPUT
SUPPLY VOLTAGE
BIDIRECT.
DATA NEG.
BIDIRECT.
DATA POS.
OUTPUT
BUS TYPE IDENT
COMMON
REF. VOLTAGE
Front View
Notes
112
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