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参数资料
| 型号： | EPC8 |
| 厂商： | Altera Corporation |
| 英文描述： | Configuration Devices for SRAM-Based LUT Devices |
| 中文描述： | 配置SRAM器件基于LUT的器件 |
| 文件页数： | 9/36页 |
| 文件大小： | 283K |
| 代理商： | EPC8 |
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Altera Corporation
9
Configuration Devices for SRAM-Based LUT Devices Data Sheet
Figure 4. ACEX 1K, APEX 20K, APEX II, FLEX 10K, FLEX 6000, or Mercury Device Configured with an EPC2,
EPC1, or EPC1441 Configuration Device
Note (1)
Notes to
Figure 4
:
(1)
Do not use EPC2 devices to configure FLEX 6000 devices.
(2)
The pull-up resistor should be connected to the same supply voltage as the configuration device. All pull-up
resistors are 1 k
. APEX 20KE pull up resistors are 10 k
. The
OE
,
nCS
, and
nINIT_CONF
pins on EPC2, EPC4,
EPC8, and EPC16 devices have internal, user-configurable 1-k
pull-up resistors. If internal pull-up resistors are
used, external pull-up resistors should not be used on these pins. The Quartus II software uses the internal pull-up
resistors by default. To turn off the internal pull-up resistors, check the
Disable nCS and OE pull-ups on configuration
device
option when generating programming files.
(3)
The diagram shows an APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX device, which has
MSEL0
and
MSEL1
tied to ground. For FLEX 6000 devices,
MSEL
is tied to ground, and the
DATA0
pin is named
DATA
. EPC4, EPC8,
EPC16, and EPC2 configuration devices cannot be used with FLEX 6000 devices. All other connections are the same
for APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX devices.
(4)
The
nINIT_CONF
pin is only available on EPC2, EPC4, EPC8, and EPC16 devices and has an internal pull up of 1 k
that is always active. If
nINIT_CONF
is not available or not used,
nCONFIG
must be pulled to V
CC
either directly or
through a 1-k
resistor.
(5)
The
nCEO
pin is left unconnected.
(6)
To ensure successful configuration between APEX 20KE and configuration devices in all possible power-up
sequences, pull up
nCONFIG
to V
CCINT
.
(7)
This diagram is for APEX 20KE devices only.
(8)
To isolate the 1.8-V and 3.3-V power supplies when configuration APEX 20KE devices, add a diode between the
APEX 20KE device’s
nCONFIG
pin and the configuration device’s
nINIT_CONF
pin. Select a diode with a threshold
voltage (V
T
) less than or equal to 0.7 V. The diode will make the
nINIT_CONF
pin an open-drain pin; the pin will
only be able to drive low or tri-state.
LUT-Based PLD (3)
Configuration
Device
DCLK
DATA
OE
nCS
nINIT_CONF (4)
MSEL0
MSEL1
DCLK
DATA0
nSTATUS
CONF_DONE
nCONFIG
V
CC
V
CC
GND
GND
(2)
(2)
nCE
V
CC
(2)
APEX 20KE PLD (7)
Configuration
Device
DCLK
DATA
OE
nCS
nINIT_CONF (4)
MSEL0
MSEL1
DCLK
DATA0
nSTATUS
CONF_DONE
nCONFIG
V
CC
V
CC
GND
GND
(2)
(2)
nCE
nCEO
nCEO
V
CCINT
(2)
(5)
(5)
(6)
(8)
APEX II, ACEX 1K, Mercury, APEX 20KC,
APEX 20K & FLEX 10K Devices
APEX 20KE Devices
相关PDF资料 |
PDF描述 |
|---|---|
| EPC1 | 433800612 |
| EPC1 | Configuration Devices for SRAM-Based LUT Devices |
| EPC1064 | Configuration Devices for SRAM-Based LUT Devices |
| EPC1064V | Configuration Devices for SRAM-Based LUT Devices |
| EPC1213 | Configuration Devices for SRAM-Based LUT Devices |
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