參數(shù)資料
型號(hào)： XC4006E-4PG156I
廠商： Xilinx Inc
文件頁(yè)數(shù)： 57/68頁(yè)
文件大?。?/td> 0K
描述： IC FPGA I-TEMP 5V 4SPD 156-CPGA
產(chǎn)品變化通告： XC4000(E,L) Discontinuation 01/April/2002
標(biāo)準(zhǔn)包裝： 14
系列： XC4000E/X
LAB/CLB數(shù)： 256
邏輯元件/單元數(shù)： 608
RAM 位總計(jì)： 8192
輸入/輸出數(shù)： 125
門數(shù)： 6000
電源電壓： 4.5 V ~ 5.5 V
安裝類型： 表面貼裝
工作溫度： -40°C ~ 100°C
封裝/外殼： 156-BCBGA
供應(yīng)商設(shè)備封裝： 156-CPGA（42.17x42.17）
R
XC4000E and XC4000X Series Field Programmable Gate Arrays
6-64
May 14, 1999 (Version 1.6)
Synchronous Peripheral Mode
Synchronous Peripheral mode can also be considered
Slave Parallel mode. An external signal drives the CCLK
input(s) of the FPGA(s). The rst byte of parallel congura-
tion data must be available at the Data inputs of the lead
FPGA a short setup time before the rising CCLK edge.
Subsequent data bytes are clocked in on every eighth con-
secutive rising CCLK edge.
The same CCLK edge that accepts data, also causes the
RDY/BUSY output to go High for one CCLK period. The pin
name is a misnomer. In Synchronous Peripheral mode it is
really an ACKNOWLEDGE signal. Synchronous operation
does not require this response, but it is a meaningful signal
for test purposes. Note that RDY/BUSY is pulled High with
a high-impedance pullup prior to INIT going High.
The lead FPGA serializes the data and presents the pre-
amble data (and all data that overows the lead device) on
its DOUT pin. There is an internal delay of 1.5 CCLK peri-
ods, which means that DOUT changes on the falling CCLK
edge, and the next FPGA in the daisy chain accepts data
on the subsequent rising CCLK edge.
In order to complete the serial shift operation, 10 additional
CCLK rising edges are required after the last data byte has
been loaded, plus one more CCLK cycle for each
daisy-chained device.
Synchronous Peripheral mode is selected by a <011> on
the mode pins (M2, M1, M0).
X9027
CONTROL
SIGNALS
DATA BUS
PROGRAM
DOUT
M0 M1
M2
D0-7
INIT
DONE
PROGRAM
4.7 k
4.7 k
4.7 k
RDY/BUSY
VCC
OPTIONAL
DAISY-CHAINED
FPGAs
NOTE:
M2 can be shorted to Ground
if not used as I/O
CCLK
CLOCK
PROGRAM
DOUT
XC4000E/X
SLAVE
XC4000E/X
SYNCHRO-
NOUS
PERIPHERAL
M0 M1
N/C
8
M2
DIN
INIT
DONE
CCLK
N/C
Figure 56: Synchronous Peripheral Mode Circuit Diagram
Product Obsolete or Under Obsolescence
相關(guān)PDF資料
PDF描述
XC4006E-4PG156C IC FPGA C-TEMP 5V 4SPD 156-CPGA
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參數(shù)描述
XC4006E-4PG156M 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field Programmable Gate Array (FPGA)
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XC4006E-4PQ160I0377 制造商:Xilinx 功能描述:
XC4006E4PQ208C 制造商:XILINX 功能描述:*
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