Customer Information
WAN_0264
w
September 2011, Rev 1.0
Customer Information
9
DBVDD POWER SOURCE
DBVDD POWER SOURCE
J21 - Allows DBVDD to come from various power sources, Bench Power Supply, DC-DC3, LDO1 or
LDO7.
EXAMPLE POWERING FROM A SINGLE PC USB CABLE
Set the EVB as shown in section 4. To start full communications with the device, the DBVDD must
power up when the /ON key is pressed. So DBVDD must come from one of the device on-board
regulators, i.e. LDO7, or an external power source (see J21 jumper setting above).
The ICE must first be programmed to enable LDO7 in one of the device Time Slots LDO7_ON_SLOT
and the appropriate system voltage set using LDO7_ON_VSEL register bits.
J21
DBVDD_SOURCE
DBVDD_SOURCE
