CYIV-51011-1.3
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Cyclone IV Device Handbook,
Volume 1
May 2013
11. Power Requirements for Cyclone IV
Devices
This chapter describes information about external power supply requirements,
hot-socketing specifications, power-on reset (POR) requirements, and their
implementation in Cyclone IV devices.
This chapter includes the following sections:
■
“External Power Supply Requirements” on page 11–1
■
“Hot-Socketing Specifications” on page 11–2
■
“Hot-socketing Feature Implementation” on page 11–3
■
“Power-On Reset Circuitry” on page 11–3
External Power Supply Requirements
This section describes the different external power supplies required to power
Cyclone IV devices.
and
list the descriptions of external power
supply pins for Cyclone IV GX and Cyclone IV E devices, respectively.
f
For each Altera recommended power supply’s operating conditions, refer to the
chapter.
f
For power supply pin connection guidelines and power regulator sharing, refer to the
Cyclone IV Device Family Pin Connection Guidelines
Table 11–1. Power Supply Descriptions for the Cyclone IV GX Devices (Part 1 of 2)
Power Supply Pin
Nominal Voltage Level (V)
Description
VCCINT
1.2
Core voltage, PCI Express (PCIe) hard IP block, and
transceiver physical coding sublayer (PCS) power
supply
VCCA
2.5
PLL analog power supply
VCCD_PLL
1.2
PLL digital power supply
VCCIO
1.2, 1.5, 1.8, 2.5, 3.0, 3.3
I/O banks power supply
VCC_CLKIN
1.2, 1.5, 1.8, 2.5, 3.0, 3.3
Differential clock input pins power supply
VCCH_GXB
2.5
Transceiver output (TX) buffer power supply
VCCA_GXB
2.5
Transceiver physical medium attachment (PMA) and
auxiliary power supply
May 2013
CYIV-51011-1.3
Содержание Cyclone IV
Страница 10: ...x Chapter Revision Dates Cyclone IV Device Handbook March 2016 Altera Corporation Volume 1...
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Страница 164: ...III 2 Section III System Integration Cyclone IV Device Handbook March 2016 Altera Corporation Volume 1...
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