參數(shù)資料
型號: XC3S400AN-5FTG256C
廠商: Xilinx Inc
文件頁數(shù): 86/123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): 896
邏輯元件/單元數(shù): 8064
RAM 位總計: 368640
輸入/輸出數(shù): 195
門數(shù): 400000
電源電壓: 1.14 V ~ 1.26 V
安裝類型: 表面貼裝
工作溫度: 0°C ~ 85°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
65
External Serial Peripheral Interface (SPI) Configuration Timing
X-Ref Target - Figure 16
Figure 16: Waveforms for External Serial Peripheral Interface (SPI) Configuration
Table 57: Timing for External Serial Peripheral Interface (SPI) Configuration Mode
Symbol
Description
Minimum
Maximum
Units
TCCLK1
Initial CCLK clock period
TCCLKn
CCLK clock period after FPGA loads ConfigRate bitstream option setting
TMINIT
Setup time on VS[2:0] variant-select pins and M[2:0] mode pins before the
rising edge of INIT_B
50
–ns
TINITM
Hold time on VS[2:0] variant-select pins and M[2:0] mode pins after the
rising edge of INIT_B
0
–ns
TCCO
MOSI output valid delay after CCLK falling clock edge
TDCC
Setup time on the DIN data input before CCLK rising clock edge
TCCD
Hold time on the DIN data input after CCLK rising clock edge
T
DH
T
DSU
Command
(msb)
T
V
T
CSS
<1:1:1>
INIT_B
M[2:0]
T
MINIT
T
INITM
DIN
CCLK
(Input)
T
CCLK
n
T
CCLK1
VS[2:0]
(Input)
New ConfigRate active
Mode input pins M[2:0] and variant select input pins VS[2:0] are sampled when INIT_B
goes High. After this point, input values do not matter until DONE goes High, at which
point these pins become user-I/O pins.
<0:0:1>
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. External pull-up resistor required on CSO_B.
T
CCLK1
T
MCCL
n
T
MCCH
n
(Input)
Data
CSO_B
MOSI
T
CCO
T
MCCL1
T
MCCH1
T
DCC
T
CCD
(Input)
PROG_B
PUDC_B
(Input)
PUDC_B must be stable before INIT_B goes High and constant throughout the configuration process.
DS529-3_06_102506
(Open-Drain)
Shaded values indicate specifications on attached SPI Flash PROM.
Command
(msb-1)
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