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參數(shù)資料
| 型號： | XCR3384XLSERIES |
| 英文描述： | 384 Macrocell CPLD |
| 中文描述： | 384宏單元CPLD |
| 文件頁數(shù)： | 15/43頁 |
| 文件大?。?/td> | 396K |
| 代理商： | XCR3384XLSERIES |
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Compression Bits:
This 2-bit field defines the use of compression of the data
packets.
00 - Standard mode:
The data packet contains both address and data
01 - Reset mode:
The data packet contains only the address field.
This pattern causes the configuration register to be
reset.
10 - Hold mode:
The data packet contains only the address field.
This pattern causes the configuration register to
hold its value.
11 - Set mode:
The data packet contains only the address field.
This pattern causes the configuration register to be
set.
Data Frames
The four types of data frames are standard, compressed,
user_code, and isc_code. All fields must be completely
filled, with 1s used to fill unused bits. The definition of each
frame is described below:
Standard Frame
Address:
This is an 11 bit field for providing 338 (336 SRAM
plus 2user) addresses.
Data:
546 bit field.
Stop bit:
This is a one bit field which must be 0.
Align bit:
This is a two bit field which must be 11.
Compressed Frame
The compressed frame contains no data.
User Code Frame
The user code is located at address 336.
Length Count:
This is a 24 bit field containing the length of the
data stream transmitted to configure all of the
devices in the daisy chain. This field is only used by
a XCR3320 if it is in the master mode.
Device ID:
This is a 32-bit field containing XCR3320 device ID:
0000_001_001_010000_1_000_00000010101_1
User Code:
This is a 216 bit field reserved for user information.
ISC Code Frame
The isc_code address is 337.
The ISC frame allows the user to write an ISC code to the
device.
ADDRESS
DATA FRAME
STOP BIT
ALIGN BITS
11
546
1 (0)
2 (11)
SP00595
MSB
LSB
igure 13: Standard Frame
ADDRESS
STOP BIT
ALIGN BITS
11
1 (0)
2 (11)
SP00597
MSB
LSB
igure 14: Compressed Frame
ADDRESS
11
SP00598
UNUSED
274
LENGTH
COUNT
24
DEVICE
ID
32
USER
CODE
216
STOP
BIT
1 (0)
ALIGN
BITS
2 (11)
MSB
LSB
Figure 15: User Code Frame
ADDRESS
ISC CODE
STOP BIT
ALIGN BITS
11
272
1 (0)
2 (11)
SP00599
UNUSED
272
2
MSB
LSB
UNUSED
Figure 16: ISC Frame
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| XCR3512XL | 制造商:XILINX 制造商全稱:XILINX 功能描述:CoolRunner XPLA3 CPLD |
| XCR3512XL-10FG324C | 制造商:Xilinx 功能描述:CPLD COOLRUNNER XPLA3 12K GATES 512 MCRCLLS 125MHZ 0.35UM 3. - Trays |
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| XCR3512XL-10FGG324I | 制造商:Xilinx 功能描述:CPLD COOLRUNNER XPLA3 12K GATES 512 MCRCLLS 125MHZ 0.35UM 3. - Trays |
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