参数资料
型号: A54SX08A-2CQ208
厂商: Electronic Theatre Controls, Inc.
元件分类: FPGA
英文描述: SX-A Family FPGAs
中文描述: 的SX - A系列FPGA的
文件页数: 18/108页
文件大小: 720K
代理商: A54SX08A-2CQ208
SX-A Family FPGAs
1-12
v5.1
SX-A Probe Circuit Control Pins
SX-A devices contain internal probing circuitry that
provides built-in access to every node in a design,
enabling 100% real-time observation and analysis of a
device's internal logic nodes without design iteration.
The probe circuitry is accessed by Silicon Explorer II, an
easy to use, integrated verification and logic analysis tool
that can sample data at 100 MHz (asynchronous) or
66 MHz (synchronous). Silicon Explorer II attaches to a
PC’s standard COM port, turning the PC into a fully
functional 18-channel logic analyzer. Silicon Explorer II
allows designers to complete the design verification
process at their desks and reduces verification time from
several hours per cycle to a few seconds.
The Silicon Explorer II tool uses the boundary-scan ports
(TDI, TCK, TMS, and TDO) to select the desired nets for
verification. The selected internal nets are assigned to the
PRA/PRB pins for observation.
Figure 1-13
illustrates the
interconnection between Silicon Explorer II and the FPGA
to perform in-circuit verification.
Design Considerations
In order to preserve device probing capabilities, users
should avoid using the TDI, TCK, TDO, PRA, and PRB pins
as input or bidirectional ports. Since these pins are active
during probing, critical input signals through these pins
are not available. In addition, the security fuse must not
be programmed to preserve probing capabilities. Actel
recommends that you use a 70
series termination
resistor on every probe connector (TDI, TCK, TMS, TDO,
PRA, PRB). The 70
series termination is used to prevent
data transmission corruption during probing and
reading back the checksum.
Figure 1-13
Probe Setup
1
A
C
SX-A FPGA
70
70
70
70
70
70
TDI
TCK
TMS
TDO
PRA
PRB
Serial Connection
Silicon Explorer II
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A54SX08A-2CQ208A 制造商:未知厂家 制造商全称:未知厂家 功能描述:SX-A Family FPGAs
A54SX08A-2CQ208B 制造商:未知厂家 制造商全称:未知厂家 功能描述:SX-A Family FPGAs
A54SX08A-2CQ208I 制造商:未知厂家 制造商全称:未知厂家 功能描述:SX-A Family FPGAs
A54SX08A-2CQ208M 制造商:未知厂家 制造商全称:未知厂家 功能描述:SX-A Family FPGAs
A54SX08A-2FG144 功能描述:IC FPGA SX 12K GATES 144-FBGA RoHS:否 类别:集成电路 (IC) >> 嵌入式 - FPGA(现场可编程门阵列) 系列:SX-A 标准包装:90 系列:ProASIC3 LAB/CLB数:- 逻辑元件/单元数:- RAM 位总计:36864 输入/输出数:157 门数:250000 电源电压:1.425 V ~ 1.575 V 安装类型:表面贴装 工作温度:-40°C ~ 125°C 封装/外壳:256-LBGA 供应商设备封装:256-FPBGA(17x17)