DS581 Datasheet, PDF (8/50 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
Address bus
(PRH_Addr) setup
with respect to falling
edge of address
G26
strobe (PRH_ADS) or C_PRHx_ADDR_
falling edge of
TSU^(4,11)
read/write
(PRH_Rd_n/PRH_Wr
_n) in case of
asynchronous mode.
Integer number of
picoseconds
User must
set
values.⁽¹²⁾
Refer
targeted
device’s
data
sheet.
Address bus
(PRH_Addr) hold with
respect to falling edge of
G27
address strobe
(PRH_ADS) or rising
C_PRHx_ADDR_
TH^(4,13,17,20)
edge of read/write
(PRH_Rd_n/
PRH_Wr_n)
Integer number of
picoseconds
User must
set
values.⁽¹²⁾
Refer
targeted
device’s
data
sheet.
G28
Minimum pulse width of
address strobe
(PRH_ADS)
C_PRHx_ADS_
WIDTH⁽⁴⁾
Integer number of
picoseconds
User must
set
values.⁽¹²⁾
Refer
targeted
device’s
data
sheet.
Chip select
(PRH_CS_n) setup with _{C_PRHx_CSN_}
G29
respect to falling edge of
read/write (PRH_Rd_n/
TSU^(4,11)
PRH_Wr_n)
Integer number of
picoseconds
User must
set
values.⁽¹⁴⁾
Refer
targeted
device’s
data
sheet.
Chip select
(PRH_CS_n) hold with _{C_PRHx_CSN_}
G30
respect to rising edge of
read/write (PRH_Rd_n/
TH^(4,17,20)
PRH_Wr_n)
Integer number of
picoseconds
User must
set
values.⁽¹⁴⁾
Refer
targeted
device’s
data
sheet.
G31
Minimum pulse width of
write signal
(PRH_Wr_n)
C_PRHx_WRN_
WIDTH^(4,15,16,17)
Integer number of
picoseconds
User must
set
values.⁽¹⁴⁾
Refer
targeted
device’s
data
sheet.
VHDL
Type
integer
integer
integer
integer
integer
integer
8
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DS581 September 16, 2009
Product Specification