EPCS64 Altera Corporation, EPCS64 Datasheet - Page 25

• Manufacturer Part Number: EPCS64
• Description: (EPCS1 - EPCS64) Serial Configuration Devices
• Manufacturer: Altera Corporation

Altera Corporation
July 2004
Serial Configuration Devices (EPCS1, EPCS4, EPCS16 & EPCS64) Data Sheet
Table 4–12
write operation.
Figure 4–17
device's read operation.
Note to
(1)
f
t
t
t
t
t
t
t
t
t
t
t
t
t
W C L K
CH
CL
NCSSU
NCSH
DSU
DH
CSH
WB_EPCS1
WB_EPCS4
WS
EB_EPCS1
EB_EPCS4
ES
Table 4–12. Write Operation Parameters
Symbol
(1)
(1)
These parameters are not shown in
Table
(1)
(1)
(1)
(1)
Core Version a.b.c variable
defines the serial configuration device timing parameters for
shows the timing waveform for the serial configuration
4–12:
Write clock frequency (from
FPGA, download cable, or
embedded processor) for write
enable, write disable, read
status, read silicon ID, write
bytes, erase bulk, and erase
sector operations
DCLK
DCLK
Chip select (
Chip select (
Data (
before rising edge on
Data (
rising edge on
Chip select high time
Write bytes cycle time for
EPCS1 devices
Write bytes cycle time for
EPCS4 devices
Write status cycle time
Erase bulk cycle time for
EPCS1 devices
Erase bulk cycle time for
EPCS4 devices
Erase sector cycle time
ASDI
ASDI
high time
low time
Parameter
) in setup time
) hold time after
nCS
nCS
DCLK
) setup time
) hold time
DCLK
Figure
Configuration Handbook, Volume 2
4–16.
Min
100
1.5
20
20
10
10
5
5
2
5
3
5
2
Max
25
15
10
5
5
6
3
MHz
Unit
ms
ms
ms
4–25
ns
ns
ns
ns
ns
ns
ns
s
s
s