Altera Cyclone II DSP Development Board - Manual (Page 76)

2–68 Reference Manual Altera Corporation
Cyclone II DSP Development Board August 2006
Power Supply
Figure 2–24. Cyclone II DSP Development Board Power Distribution Diagram
1.8V
Voltage
Select
1.8V
1.8V 1.8V
3.3V 3.3V
3.3V
J2
Digital Ground
J40
DAC Ground
J41
ADC Ground
DC Input
(40W)
(v8 03/18/05)
VCCA_PLL1
VCCA_PLL2
VCCA_PLL3
VCCA_PLL4
1A
1A
200mA
7A
F3
F2
F4
F1
F6
J4
J6
J5
J3
Single 3.3V Plane
Single 1.2V Plane
DAC Analog Plane
ADC Analog Plane
5V
DDR2 SDRAM DIMM
3A (1)
VTT_DIMM
VREF_DIMM
Passive
Filters
J39
VCCA_DAC
F7
F5
J42
VCCA_ADC
U8
Linear
Regulator
0.9V
U7
Linear
Regulator
1.2V
U23
Linear
Regulator
5.5V/3.3V
U10
Linear
Regulator
5V
U24
Linear
Regulator
3.3V
U2
Dual
Output
Switching
Regulator
1.8V
3.3V
(1)
6V
1.5A
(1)
3A
(1)
(1)
7A
(1)
(1)
1A
(1)
(1) Regulators can source up to the indicated current.
U9
Switching
Regulator