CYIV-52002-1.4
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Cyclone IV Device Handbook,
Volume 2
September 2014
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ISO
9001:2008
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2. Cyclone IV Reset Control and Power
Down
Cyclone
®
IV GX devices offer multiple reset signals to control transceiver channels
independently. The ALTGX Transceiver MegaWizard
™
Plug-In Manager provides
individual reset signals for each channel instantiated in your design. It also provides
one power-down signal for each transceiver block.
This chapter includes the following sections:
■ “User Reset and Power-Down Signals” on page 2–2
■ “Transceiver Reset Sequences” on page 2–4
■ “Dynamic Reconfiguration Reset Sequences” on page 2–19
■ “Power Down” on page 2–21
■ “Simulation Requirements” on page 2–22
■ “Reference Information” on page 2–23
Figure 2–1 shows the reset control and power-down block for a Cyclone IV GX device.
Figure 2–1. Reset Control and Power-Down Block
Reset Controller
tx_digitalreset
rx_digitalreset
rx_analogreset
pll_areset
gxb_powerdown
September 2014
CYIV-52002-1.4
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