数据手册
3
octal e1 线条 接口 单位 — lxt381
内容
1.0 管脚 assignments 和 信号 描述
......................................................5
2.0 函数的 描述
...........................................................................................13
2.1 接受者 ..............................................................................................................13
2.1.1 丧失 的 信号 探测器 .........................................................................13
2.2 传输者 ..........................................................................................................13
2.2.1 transmit 脉冲波 shaping .........................................................................14
2.3 接合 和 5v 逻辑 ......................................................................................14
2.4 线条 保护 ....................................................................................................14
2.5 Loopbacks ...........................................................................................................14
2.5.1 相似物 loopback....................................................................................15
2.5.2 偏远的 loopback ..................................................................................15
2.6 hitless 保护 切换 (hps) .....................................................................15
3.0 jtag boundary scan
.............................................................................................18
3.1 Overview .............................................................................................................18
3.2 Architecture .........................................................................................................18
3.2.1 tap 控制........................................................................................19
3.3 jtag 寄存器 描述..................................................................................20
3.3.1 boundary scan 寄存器 (bsr)..............................................................21
3.3.2 设备 identification 寄存器 (idr) .......................................................24
3.3.3 绕过 寄存器 (byr) ..........................................................................24
3.3.4 相似物 端口 scan 寄存器 (asr) ..........................................................24
3.3.5 操作指南 寄存器 (ir) .........................................................................25
4.0 测试 规格
..................................................................................................27
5.0 机械的 规格
....................................................................................34
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