Entity: Pgp3GtyUsQpll
- File: Pgp3GtyUsQpll.vhd
Diagram
Description
Title : PGPv3: https://confluence.slac.stanford.edu/x/OndODQ
Company : SLAC National Accelerator Laboratory
Description: PGP3 GTY Ultrascale+ QPLL Wrapper
This file is part of 'SLAC Firmware Standard Library'. It is subject to the license terms in the LICENSE.txt file found in the top-level directory of this distribution and at: https://confluence.slac.stanford.edu/display/ppareg/LICENSE.html. No part of 'SLAC Firmware Standard Library', including this file, may be copied, modified, propagated, or distributed except according to
the terms contained in the LICENSE.txt file.
Generics
| Generic name | Type | Value | Description |
|---|---|---|---|
| TPD_G | time | 1 ns | |
| RATE_G | string | "10.3125Gbps" | or "6.25Gbps" or "3.125Gbps" |
| EN_DRP_G | boolean | true |
Ports
| Port name | Direction | Type | Description |
|---|---|---|---|
| stableClk | in | sl | GT needs a stable clock to "boot up" |
| stableRst | in | sl | |
| pgpRefClk | in | sl | 156.25 MHz |
| qpllLock | out | Slv2Array(3 downto 0) | |
| qpllClk | out | Slv2Array(3 downto 0) | |
| qpllRefclk | out | Slv2Array(3 downto 0) | |
| qpllRst | in | Slv2Array(3 downto 0) | |
| axilClk | in | sl | AXI-Lite Interface |
| axilRst | in | sl | |
| axilReadMaster | in | AxiLiteReadMasterType | |
| axilReadSlave | out | AxiLiteReadSlaveType | |
| axilWriteMaster | in | AxiLiteWriteMasterType | |
| axilWriteSlave | out | AxiLiteWriteSlaveType |
Signals
| Name | Type | Description |
|---|---|---|
| pllRefClk | slv(1 downto 0) | |
| pllOutClk | slv(1 downto 0) | |
| pllOutRefClk | slv(1 downto 0) | |
| pllFbClkLost | slv(1 downto 0) | unused |
| pllLock | slv(1 downto 0) | |
| pllLockDetClk | slv(1 downto 0) | |
| pllRefClkLost | slv(1 downto 0) | |
| pllPowerDown | slv(1 downto 0) | |
| pllReset | slv(1 downto 0) | |
| lockedStrobe | Slv2Array(3 downto 0) | |
| gtQPllReset | Slv2Array(3 downto 0) |
Constants
| Name | Type | Value | Description |
|---|---|---|---|
| QPLL_CFG2_C | slv(15 downto 0) | ite((RATE_G = "10.3125Gbps"), b"0000111111000000", ite((RATE_G = "15.46875Gbps"), b"0000111111000001", b"0000111111000011")) |
|
| QPLL_CP_G3_C | slv(9 downto 0) | ite((RATE_G = "3.125Gbps"), b"0001111111", b"0000001111") |
|
| QPLL_FBDIV_C | positive | ite((RATE_G = "6.25Gbps") or (RATE_G = "12.5Gbps"), 80, ite((RATE_G = "15.46875Gbps"), 99, 66)) |
|
| QPLL_FBDIV_G3_C | positive | ite((RATE_G = "3.125Gbps"), 80, 160) |
|
| QPLL_LPF_C | slv(9 downto 0) | ite((RATE_G = "10.3125Gbps"), b"1000111111", ite((RATE_G = "15.46875Gbps"), b"1101111111", b"1000011111")) |
|
| QPLL_LPF_G3_C | slv(9 downto 0) | ite((RATE_G = "3.125Gbps"), b"0111010100", b"0111010101") |
Instantiations
- U_QPLL: surf.GtyUltraScaleQuadPll