參數(shù)資料
型號(hào)： EPC4xxx
廠商： Altera Corporation
英文描述： 2. Enhanced Configuration Devices (EPC4, EPC8 & EPC16) Data Sheet
中文描述： 2。增強(qiáng)型配置器件（EPC4，EPC8
文件頁(yè)數(shù)： 19/36頁(yè)
文件大?。?/td> 421K
代理商： EPC4XXX
Altera Corporation
August 2005
2–19
Configuration Handbook, Volume 2
Enhanced Configuration Devices (EPC4, EPC8 & EPC16) Data Sheet
The controller chip features a programmable oscillator that can output
four different frequencies. The various settings generate clock outputs at
frequencies as high as 10, 33, 50, and 66 MHz, as shown in
Table 2–6
.
Clock source, oscillator frequency, and clock divider (N) settings can be
made in the Quartus II software, by accessing the
Configuration Device
Options
inside the
Device Settings
window or the
Convert
Programming Files
window. The same window can be used to select
between the internal oscillator and the external clock
(
EXCLK
)
input pin
as your configuration clock source. The default setting selects the internal
oscillator at the 10 MHz setting as the clock source, with a divide factor
of 1.
f
For more information on making the configuration clock source,
frequency, and divider settings, refer to
Using
Altera Enhanced
Configuration Devices
, chapter 3 in volume 2 of the
Configuration
Handbook
.
Flash In-System Programming (ISP)
The flash memory inside enhanced configuration devices can be
programmed in-system via the JTAG interface and the external flash
interface. JTAG-based programming is facilitated by the configuration
controller in the enhanced configuration device. External flash interface
programming requires an external processor or FPGA to control the flash.
1
The enhanced configuration device flash memory supports
100,000 erase cycles.
JTAG-based Programming
The IEEE Std. 1149.1 JTAG Boundary Scan is implemented in enhanced
configuration devices to facilitate the testing of its interconnection and
functionality. Enhanced configuration devices also support the ISP mode.
The enhanced configuration device is compliant with the IEEE Std. 1532
draft 2.0 specification.
Table 2–6. Internal Oscillator Frequencies
Frequency Setting
Min (MHz)
Typ (MHz)
Max (MHz)
10
6.4
8.0
10.0
33
21.0
26.5
33.0
50
32.0
40.0
50.0
66
42.0
53.0
66.0
相關(guān)PDF資料
PDF描述
EPC16QC100 2. Enhanced Configuration Devices (EPC4, EPC8 & EPC16) Data Sheet
EPC16QI100 2. Enhanced Configuration Devices (EPC4, EPC8 & EPC16) Data Sheet
EPC8xxx 2. Enhanced Configuration Devices (EPC4, EPC8 & EPC16) Data Sheet
EPC8QC100 2. Enhanced Configuration Devices (EPC4, EPC8 & EPC16) Data Sheet
EPC8QI100 2. Enhanced Configuration Devices (EPC4, EPC8 & EPC16) Data Sheet
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