2-4
AT73C246-EK1 Evaluation Kit User Guide
11047A–PMAAC–08-Apr-10
2.6
Power Supply
The AT73C246-EK1 is supplied by an external power supply connected on P1 (positive supply) and P2
(ground).
Figure 2-2.
Power Supply Diagram
.
Note:
This power supply input is NOT protected against polarization inversion.
Figure 2-3.
Vin Supply Pad (P1 & P2)
Connect the power supply (+) to P1 and the ground (-) to P2.
Note:
Keep G1 soldered to insure connection between the AGND (analog ground on P2) and
DGND (digital ground).
Table 2-1.
Electrical Supply Requirements
Power supply source
Min
Max
Unit
On P1 pad
(minimum 1 A for fully operation)
3.1
5.5
V
LDO 6
LDO 5
LDO 4
LDO 3
LDO 2
BUCK 0
BUCK 1
AT73C246
POWER MANAGMENT
VDD1
VDD2
VDD3
VDD4
VBACKUP
VDDC
VDD0
VIN
WAKEUP0
HRST
PWREN
AT73C246-EK1
VBACKUP
AGND
P2
VDD0
Min 1A for
fully operation
P1
P1
P2
G1
Summary of Contents for AT73C246-EK1
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