Entity: JesdSyncFsmTx

Diagram

time TPD_G positive NUM_ILAS_MF_G sl clk sl rst sl subClass_i sl enable_i sl lmfc_i sl nSync_i sl gtTxReady_i sl sysRef_i sl dataValid_o sl sysref_o sl ila_o

Description


Company : SLAC National Accelerator Laboratory

Description: Synchronizer TX Finite state machine Finite state machine for sub-class 1 and sub-class 0 deterministic latency

lane synchronization.

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
NUM_ILAS_MF_G positive 4 ESD204B class (0 and 1 supported) Number of multi-frames in ILA sequence (4-255)

Ports

Port name Direction Type Description
clk in sl Clocks and Resets
rst in sl
subClass_i in sl JESD subclass selection: '0' or '1'(default)
enable_i in sl Enable the module
lmfc_i in sl Local multi frame clock
nSync_i in sl Synchronization request
gtTxReady_i in sl GT is ready to transmit data after reset
sysRef_i in sl SYSREF for subclass 1 fixed latency
dataValid_o out sl Synchronization process is complete start sending data
sysref_o out sl sysref received
ila_o out sl Initial lane synchronization sequence indicator

Signals

Name Type Description
r RegType
rin RegType

Constants

Name Type Value Description
REG_INIT_C RegType ( dataValid => '0',
ila => '0',
sysref => '0',
cnt => (others => '0'),
-- Status Machine state => IDLE_S )

Types

Name Type Description
stateType ( IDLE_S,
SYNC_S,
ILA_S,
DATA_S )
RegType

Processes