DS581 Datasheet, PDF (10/50 Pages) Xilinx, Inc – PLB interface with byte enable support

XPS External Peripheral Controller (EPC) v1.02a
Table 1: XPS EPC IP Core Design Parameters (Contd)
Generic Feature/Description
Parameter Name
Allowable Values
Default
Value
Data bus (PRH_Data)
G38
high impedance from
rising edge of read
C_PRHx_DATA_
TINV^(4,20)
(PRH_Rd_n)
Integer number of
picoseconds
User must
set
values.⁽¹⁴⁾
Refer
targeted
device’s
data
sheet.
Device ready
G39
(PRH_Rdy) validity from
the falling edge of read
or write (PRH_Rd_n/
C_PRHx_RDY_
TOUT^(4,21,23)
PRH_Wr_n)
Integer number of
picoseconds
User must
set
values.⁽¹⁴⁾
Refer
targeted
device’s
data
sheet.
Maximum period of
G40
device ready signal
(PRH_Rdy) to wait
C_PRHx_RDY_
WIDTH^(4,22,23)
before device timeout
Integer number of
picoseconds
User must
set
values.⁽²³⁾
Refer
targeted
device’s
data
sheet.
VHDL
Type
integer
integer
integer
10
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DS581 September 16, 2009
Product Specification