ADSP-BF526 EZ-Board Evaluation System Manual
1-33
Using The ADSP-BF526 EZ-Board
Power Setup
The EZ-Board is shipped with the default configuration for 5V power
from a wall adaptor or a USB port (see
).
Change jumper and switch settings only when power is
OFF
.
Table 1-4. Charge Rate Selection
Mode
WALL
USB
JP17
P23
Resistance
Charge Rate
Full Charge
YES
NO
X
1
X
OPEN
750 mA
Low
NO
YES
OFF
OFF
32K
100 mA
Medium
NO
YES
2 and 3
X
169K
375 mA
Selectable
2
NO
YES
1 and 2
OFF
32/169K
100/375 mA
Shutdown
NO
YES
OFF
ON
0
NONE
Control Shut-
down
3
NO
YES
1 and 2
ON
0/169K
0/375mA
1 Any jumper setting has no affect.
2 Rate is selectable by the processor’s flag: use JP15 to chose the flag pin. Setting the flag high se-
lects 83 mA and setting the flag low selects 375 mA charge rates.
3 JP15 needs to be set to positions 1and 2 (PG0), 3 and 4 (PG11), or 5 and 6 (PG12), selecting
the processor port pin to control the selection. See
“CHG GPIO Jumper (JP15)” on page 2-23
for more information.
Table 1-5. 5V Power Settings
Switch/Jumper
5V Setting
JP8
Positions 1 and 2, 3 and 4
JP9
Installed
JP10
Positions 2 and 3
JP15
Uninstalled
P17
Positions 1 and 2