参数资料
型号: XC3042A-7VQ100C
厂商: Xilinx Inc
文件页数: 20/76页
文件大小: 0K
描述: IC FIELD PROG GATE ARRAY 100 PIN
产品变化通告: Product Discontinuation 27/Apr/2010
标准包装: 1
系列: XC3000A/L
LAB/CLB数: 144
RAM 位总计: 30784
输入/输出数: 82
门数: 3000
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
工作温度: 0°C ~ 85°C
封装/外壳: 100-TQFP
供应商设备封装: 100-VQFP(14x14)
R
November 9, 1998 (Version 3.1)
7-29
XC3000 Series Field Programmable Gate Arrays
7
Peripheral Mode
Peripheral mode uses the trailing edge of the logic AND
condition of the CS0, CS1, CS2, and WS inputs to accept
byte-wide data from a microprocessor bus. In the lead
FPGA, this data is loaded into a double-buffered UART-like
parallel-to-serial converter and is serially shifted into the
internal logic. The lead FPGA presents the preamble data
(and all data that overflows the lead device) on the DOUT
pin.
The Ready/Busy output from the lead device acts as a
handshake signal to the microprocessor. RDY/BUSY goes
Low when a byte has been received, and goes High again
when the byte-wide input buffer has transferred its informa-
tion into the shift register, and the buffer is ready to receive
new data. The length of the BUSY signal depends on the
activity in the UART. If the shift register had been empty
when the new byte was received, the BUSY signal lasts for
only two CCLK periods. If the shift register was still full
when the new byte was received, the BUSY signal can be
as long as nine CCLK periods.
Note that after the last byte has been entered, only seven
of its bits are shifted out. CCLK remains High with DOUT
equal to bit 6 (the next-to-last bit) of the last byte entered.
X5991
ADDRESS
BUS
DATA
BUS
D0–7
ADDRESS
DECODE
LOGIC
CS0
...
RDY/BUSY
WS
RESET
...
OTHER
I/O PINS
D0–7
CCLK
DOUT
M2
HDC
LDC
FPGA
GENERAL-
PURPOSE
USER I/O
PINS
D/P
M0
M1 PWR
DWN
+5 V
CS2
CS1
CONTROL
SIGNALS
8
INIT
REPROGRAM
+5 V
5 k
*
IF READBACK IS
ACTIVATED, A
5-k
RESISTOR IS
REQUIRED IN SERIES
WITH M1
*
OPTIONAL
DAISY-CHAINED
FPGAs WITH DIFFERENT
CONFIGURATIONS
OC
Figure 27: Peripheral Mode Circuit Diagram
Product Obsolete or Under Obsolescence
相关PDF资料
PDF描述
XC4003E-2PC84C IC FPGA 84-PLCC
XC4005E-4PC84C IC FPGA 196 CLB'S 84-PLCC
AMM36DRSN-S288 CONN EDGECARD 72POS .156 EXTEND
AMM36DRSH-S288 CONN EDGECARD 72POS .156 EXTEND
AMM36DRSD-S288 CONN EDGECARD 72POS .156 EXTEND
相关代理商/技术参数
参数描述
XC3042A-7VQ100I 制造商:Xilinx 功能描述:
XC3042B 制造商:未知厂家 制造商全称:未知厂家 功能描述:
XC3042L 制造商:XILINX 制造商全称:XILINX 功能描述:Field Programmable Gate Arrays
XC3042L-8PC84C 制造商:XILINX 制造商全称:XILINX 功能描述:Field Programmable Gate Arrays (XC3000A/L, XC3100A/L)
XC3042L-8PC84I 制造商:XILINX 制造商全称:XILINX 功能描述:Field Programmable Gate Arrays (XC3000A/L, XC3100A/L)