EVAL-ADuCM350EBZ User Guide
UG-668
Rev. A | Page 5 of 28
EVALUATION BOARD HARDWARE
POWER SUPPLIES
VCCM_ANA
Table 1 describes the three options for supplying power to the
VCCM_ANA pin.
Table 1. VCCM_ANA Supply Options
Link J10 Position
VCCM_ANA Supply
A (Default Position)
Regulated 3.3 V from J3 wall socket
supplied with board
B
CR2032 battery connection, J19
C
External supply
VDD_IO
Table 2 describes the two options for supplying power to the
VDD_IO pin.
Table 2. VDD_IO Supply Options
Link M5 Position
VDD_IO Supply
A (Default Position)
From VCCM_ANA
B
Regulated 3.3 V from J3 wall socket
(supplied with board)
VLCDVDD
Table 3 describes the three options for supplying power to the
VLCDVDD pin.
Table 3. VLCDVDD Supply Options
LK14 Position
1
VLCDVDD Supply
Inserted
Powered by VCCM
Open
Not powered
1
The default position for LK14 is to be removed.
Figure 3. Power Supply Schematic for VCCM_ANA Pin
BATTERY CONTACT
POWER
OPTION 1
OPTION 2
OPTION 3
USB REGULATOR
LK10
LK24
R30
560r
D4
R32
0r
+
C37
10uF
2 IN
7
SD
3
GND
1
OUT
U6
R31
1r6
L2
BEAD
C34
0.1uF
C40
10uF
J12-1
J12-2
T68
A
B
C
J10
+
J19
BATT-3002-20MM
T3
LK5
VUSB
3.3V_BOARD
VCCM_ANA
5V_USB
VDDOUT
12104-
002
NOTES
1. LK24 IS NOT INSERTED BY DEFAULT.
