Multi-Protocol Physical Medium Attachment Sublayer (PMA)
特色
- Full-duplex transceivers at serial data rates between 600 Mbps and 6.5 Gbps.
- Modular channels that has the configuration flexibility for any of the 3 mode below:
- data lane
- TX clock generator (using the RX PLL)
- ref clock input
- Additional LC PLL in common block to provide clocking flexibility
- Supports wide range of input reference clock from 25 MHz to 700 MHz
- Ability to dynamically reconfigure PMA blocks during run time
- Utilize GlobalFoundries 65nm LPe technology
- Requires supply voltage level of 1.2V and 2.5V on second PMA voltage supply
- Application support for multiple standards (see section 0)
- Selectable receiver and transmitter on-chip termination resistors of 42.5, 50, 60, 75 ohm (single-ended) termination with automatic calibration
- Receiver equalization (8 bits) up to 16dB
- Transmitter de-emphasis up to -12dB
- Receiver loss-of-signal indicator
- Support receiver detection for PCIe.
- Support PCIe electrical idle specifications.
- Beacon signaling for PCIe.
- PCIe rate switch circuitry
- IEEE 1149.1(DC) and 1149.6 (AC) JTAG boundary scan support
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