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参数资料
| 型号： | EPCS64SI16N |
| 厂商： | Altera Corporation |
| 英文描述： | Serial Configuration Devices |
| 中文描述： | 串行配置器件 |
| 文件页数： | 10/32页 |
| 文件大小： | 236K |
| 代理商： | EPCS64SI16N |
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4–10
Configuration Handbook, Volume 2
Core Version a.b.c variable
Altera Corporation
July 2004
Serial Configuration Device Memory Access
Operation Codes
This section describes the operations that can be used to access the
memory in serial configuration devices. The
DATA
,
DCLK
,
ASDI
, and
nCS
signals access to the memory in serial configuration devices. All serial
configuration device operation codes, addresses and data are shifted in
and out of the device serially, with the most significant bit (MSB) first.
The device samples the active serial data input on the first rising edge of
the
DCLK
after the active low chip select (
nCS
) input signal is driven low.
Shift the operation code (MSB first) serially into the serial configuration
device through the active serial data input pin. Each operation code bit is
latched into the serial configuration device on the rising edge of the
DCLK
.
Different operations require a different sequence of inputs. While
executing an operation, you must shift in the desired operation code,
followed by the address bytes, data bytes, both, or neither. The device
must drive
nCS
high after the last bit of the operation sequence is shifted
in.
Table 4–8
shows the operation sequence for every operation
supported by the serial configuration devices.
For the read byte, read status, and read silicon ID operations, the shifted-
in operation sequence is followed by data shifted out on the
DATA
pin.
You can drive the
nCS
pin high after any bit of the data-out sequence is
shifted out.
For the write byte, erase bulk, erase sector, write enable, write disable,
and write status operations, drive the
nCS
pin high exactly at a byte
boundary (drive the
nCS
pin high a multiple of eight clock pulses after the
nCS
pin was driven low). Otherwise, the operation is rejected and will not
be executed.
Table 4–7. Address Range for Sectors in EPCS1 Devices
Sector
Address Range (Byte Addresses in HEX)
Start
End
3
H'18000
H'1FFFF
2
H'10000
H'17FFF
1
H'08000
H'0FFFF
0
H'00000
H'07FFF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EPCSC2.5T | 功能描述:接线端子工具和配件 End Plate RoHS:否 制造商:Phoenix Contact 产品:Tools & Accessories 类型:End Bracket |
| EPCSC2.5T1-2 | 功能描述:接线端子工具和配件 End Plate RoHS:否 制造商:Phoenix Contact 产品:Tools & Accessories 类型:End Bracket |
| EPCSC2.5T2-2 | 功能描述:接线端子工具和配件 End Plate RoHS:否 制造商:Phoenix Contact 产品:Tools & Accessories 类型:End Bracket |
| EPCSC2.5T2-2/BL | 功能描述:接线端子工具和配件 End Plate , Black (50) RoHS:否 制造商:Phoenix Contact 产品:Tools & Accessories 类型:End Bracket |
| EPCSC2.5T2-2/BU | 功能描述:接线端子工具和配件 End Plate , Blue (50) RoHS:否 制造商:Phoenix Contact 产品:Tools & Accessories 类型:End Bracket |
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