EPM570 Altera, EPM570 Datasheet - Page 62
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EPM570
Manufacturer Part Number
EPM570
Description
MAX II Device Family
Manufacturer
Altera
Datasheet
1.EPM570.pdf
(92 pages)
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Power-On Reset Circuitry
Figure 4–5. Power-Up Characteristics for MAX II & MAX II G Devices
Notes to
(1)
(2)
4–8
MAX II Device Handbook, Volume 1
Time scale is relative.
Figure 4–5
out until all V
1.55 V
3.3 V
1.8 V
1.4 V
3.3 V
2.5 V
1.7 V
1.4 V
Figure
0 V
0 V
V
V
CCINT
CCINT
assumes all V
4–5:
CCIO
banks are powered.
Tri-State
Tri-State
CCIO
1
banks power simultaneously with the V
After SRAM configuration, all registers in the device are cleared
and released into user function before I/O tri-states are released.
To release clears after tri-states are released, use the DEV_CLRn
pin option. To hold the tri-states beyond the power-up
configuration time, use the DEV_OE pin option.
Core Version a.b.c variable
t
t
CONFIG
CONFIG
MAX II Device
MAX II G Device
User Mode
User Mode
Operation
Operation
CCINT
Approximate Voltage
for SRAM Download Start
Approximate Voltage
for SRAM Download Start
Notes
profile shown. If not, t
Tri-State
Tri-State
(1),
(2)
Device Resets
the SRAM and
Tri-States I/O Pins
Device Resets
the SRAM and
Tri-States I/O Pins
Altera Corporation
December 2004
CONFIG
stretches