參數(shù)資料
型號(hào): XC3S50AN-4FTG256I
廠商: Xilinx Inc
文件頁數(shù): 87/123頁
文件大?。?/td> 0K
描述: IC FPGA SPARTAN-3AN 256FTBGA
標(biāo)準(zhǔn)包裝: 90
系列: Spartan®-3AN
LAB/CLB數(shù): 176
邏輯元件/單元數(shù): 1584
RAM 位總計(jì): 55296
輸入/輸出數(shù): 195
門數(shù): 50000
電源電壓: 1.14 V ~ 1.26 V
安裝類型: 表面貼裝
工作溫度: -40°C ~ 100°C
封裝/外殼: 256-LBGA
供應(yīng)商設(shè)備封裝: 256-FTBGA
Spartan-3AN FPGA Family: DC and Switching Characteristics
DS557 (v4.1) April 1, 2011
Product Specification
66
Byte Peripheral Interface (BPI) Configuration Timing
Table 58: Configuration Timing Requirements for Attached SPI Serial Flash
Symbol
Description
Requirement
Units
TCCS
SPI serial Flash PROM chip-select time
ns
TDSU
SPI serial Flash PROM data input setup time
ns
TDH
SPI serial Flash PROM data input hold time
ns
TV
SPI serial Flash PROM data clock-to-output time
ns
fC or fR
Maximum SPI serial Flash PROM clock frequency (also depends on
specific read command used)
MHz
Notes:
1.
These requirements are for successful FPGA configuration in SPI mode, where the FPGA generates the CCLK signal. The
post-configuration timing can be different to support the specific needs of the application loaded into the FPGA.
2.
Subtract additional printed circuit board routing delay as required by the application.
X-Ref Target - Figure 17
Figure 17: Waveforms for Byte-wide Peripheral Interface (BPI) Configuration
T
CCS
T
MCCL1
T
CCO
T
DSU
T
MCCL1
T
CCO
T
DH
T
MCCH1
T
V
T
MCCLn
T
DCC
f
C
1
T
CCLKn min
---------------------------------
(Input)
PUDC_B must be stable before INIT_B goes High and constant throughout the configuration process.
Data
Address
Data
Address
Byte 0
000_0000
INIT_B
<0:1:0>
M[2:0]
T
MINIT
T
INITM
LDC[2:0]
HDC
CSO_B
Byte 1
000_0001
CCLK
A[25:0]
D[7:0]
T
DCC
T
CCD
T
AVQV
T
CCLK1
(Input)
T
INITADDR
T
CCLKn
T
CCLK1
T
CCO
PUDC_B
New ConfigRate active
Pin initially pulled High by internal pull-up resistor if PUDC_B input is Low.
Pin initially high-impedance (Hi-Z) if PUDC_B input is High.
Mode input pins M[2:0] are sampled when INIT_B goes High. After this point,
input values do not matter until DONE goes High, at which point the mode pins
become user-I/O pins.
(Input)
PROG_B
(Input)
DS557-3_16_032009
(Open-Drain)
Shaded values indicate specifications on attached parallel NOR Flash PROM.
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