PCIE Byte Count
- ENTITY PCIE_BYTE_COUNT IS
This component calculates the correct number of bytes contained in the payload of the incoming PCIe transaction. The size is calculated using DW_COUNT, FIRST_BE and LAST_BE signals provided by each transaction.
Generics
PortsGeneric
Type
Default
Description
OUTPUT_REG
boolean
False
Optional output register
Port
Type
Mode
Description
CLK
std_logic
in
RESET
std_logic
in
IN_DW_COUNT
std_logic_vector(11-1 downto 0)
in
DWord count from TLP header
IN_FIRST_BE
std_logic_vector(4-1 downto 0)
in
First Byte Enable from TLP header
IN_LAST_BE
std_logic_vector(4-1 downto 0)
in
Last Byte Enable from TLP header
OUT_FIRST_IB
std_logic_vector(2-1 downto 0)
out
First Invalid Bytes of TLP
OUT_LAST_IB
std_logic_vector(2-1 downto 0)
out
Last Invalid Bytes of TLP
OUT_BYTE_COUNT
std_logic_vector(13-1 downto 0)
out
Byte Count of TLP