PM8621 PMC-Sierra, Inc., PM8621 Datasheet - Page 155

• Manufacturer Part Number: PM8621
• Description: NSE-8G Standard Product Data Sheet Preliminary
• Manufacturer: PMC-Sierra, Inc.

12.12.4 Handling the Receive Header
12.12.5 Handling Interrupts
12.12.6 Bypass Function
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2010850, Issue 1
All interrupts are masked on startup, and should not be enabled until the link initializes.
Functional block transmit and receive functions can be disabled independently (or together) by
writing a ‘1’ to:
When in bypass mode, message FIFO rams are disabled and the ILC functions as a 2-stage
pipeline. When TX_BYPASS is set, writes to the transmit FIFO are ignored and when
RX_BYPASS is set, reads from the receive FIFO return random data.
The LSB (TX_BYPASS) of the Transmit Control register to enable transmit bypass.
The LSB (RX_BYPASS) of the Receive Control register to enable receive bypass.
NSE-8G™ Standard Product Data Sheet
Preliminary
154