Altera Stratix GX Transceiver - Manual (Page 279)

Altera Corporation 9–53
January 2005 Stratix GX Transceiver User Guide
Reset Control & Power Down
Figure 9–14. Transmitter Only Clock Options
Figure 9–15 shows a situation where only the transmitter channel
requires a reset sequence.
Figure 9–15. Transmitter Reset Sequence
Transmit ONLY
Single Width
(8/10)
Double Width
(16/20)
tx_coreclk inclk tx_coreclk inclk
Transmit Parallel Clock
data path width
Start
pll_areset = high
txdigitalreset = high
pll_areset = low
txdigitalreset = high
pll_locked = high
pll_areset = low
txdigitalreset = low
transmit_digitalreset = high
pll_areset = low
txdigitalreset = high
YES
NO
YES
NO
async_reset or sync_reset