Altera Transceiver Signal Integrity Development Kit, Stra Uživatelský manuál Strana 47

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Chapter 2: Board Components 2–39
Power Supply
July 2012 Altera Corporation Transceiver Signal Integrity Development Kit
Stratix V GX Edition Reference Manual
Power Supply
A laptop style DC power input provides power to the development board. The input
voltage must be in the range of 14 V to 20 V. The DC voltage is then stepped down to
the various power rails used by the components on the board.
An on-board multi-channel power monitor device (LTC2978) measures both the
voltage and current for several specific board rails. This device has the capability to
trim voltage outputs ±10%.
Table 240 lists the power requirements for each major component on the board.
Table 2–40. Power Requirements
Device Voltage Name Voltage (V) Note
FPGA
S5GX_VCC
0.9
VCC
VCCHIP
VCCHSSI
2p5V
2.5
VCCIO
VCCPD
VCCREF
VCCPGM
VCCBAT
VCC_CLKIN
2p5V_FLTR
2.5
Ferrite fitered from
2p5V
,
VCCA_PLL, and VCCAUX
1p5V
1.5
VCCPT
VCCH_GXB
VCCD_FPLL
VCCBAT
1.5 BT1 socket
VCCR_GTB (28G channels)
1.0 LDO
VCCT_GTB (28G channels)
1.0 LDO
VCCL_GTB (28G channels)
1.0 LDO
VCCRT_GXB
0.9 or 1.0 Low noise switcher
VCCA_GXB
2.5 or 3.0 Low noise switcher
VCCH_GXB
1.5
Tied to
1p5V
(low noise
switcher)
MAX II (for FPP configuration)
2p5V
2.5
Flash
2p5V
2.5 Core
XFP_1p8V
1.8 I/O
MAX II (for USB-Blaster)
2p5V
2.5 Core or I/O
EEPROM
USBVCC
5.0
USB PHY
USBVCC
5.0 Core
2p5V_USB
2.5 I/O
Power monitor
5V
5.0
Temperature sense ADC
3p3V
3.3
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