arm dstream高性能调试和跟踪单元可在任何基于arm处理器的硬件目标上实现强大的软件调试和优化。
借助用于许多开发平台的加速硬件启动和用于第三方工具的开放式调试接口等功能，dstream调试器在与arm development studio配合使用时为复杂soc的开发和调试提供了全面的pg电子娱乐试玩的解决方案。
 support for armv8arm构建的调试和跟踪直到armv8。 无论是经典还是最新产品，dstream都涵盖了它。 |
lightning fast trace使用hsstp跟踪探针进行高达19.2 gbps的并行跟踪或高达20 gbps的串行跟踪。 |
extended trace buffer即使在最快的目标上捕获扩展跟踪，也可以获得软件执行的详细信息。 |
flexible debug适用于jtag，coresight，ti和mipi的适配器。 与第三方ip和调试器兼容，为您提供最大的灵活性。 |
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compare dstream units
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dstream | dstream-st | dstream-pt |
| debug connectivity | jtag and serial-wire debug | ||
| arm processor support |
any arm processor based hardware target up to armv8 with coresight trace supported |
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| functionality | debug, parallel trace | debug, streamed trace | debug, parallel trace |
| on target trace | yes | yes | yes |
| external parallel trace | 9.6 gbps (up to 16 pins) | 2.4gbps (up to 4 pins) | 19.2gbps (up to 32pins) |
| external serial trace | trace can either be collected using the default parallel trace probe supplied with dstream or alternatively, using the high-speed serial trace probe (hsstp), available separately. this allows for high bandwidth serial trace capture of up to 20 gbps from arm hsstp or marvell® setm. | - | - |
| specifications | |||
| maximum number of supported cores | 128* (see cores coresight devices limit) | 1022* (see cores coresight devices limit) | 1022* (see cores coresight devices limit) |
| cores coresight devices limit | 254 (up to 128 cpus) |
1022 or support for up to 1022 coresight devices (including cpus) |
support for up to 1022 coresight devices (including cpus) |
| target connectors |
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| jtag frequency | 60 mhz | 180 mhz | 180 mhz |
| memory download | up to 2.5 mb/s | up to 12 mb/s | up to 12 mb/s |
| trace buffer | 4 gb | none - streamed to host pc | on probe 8gb trace memory store |
| host connectivity | usb 2.0, ethernet | usb 3.0, gigabit ethernet (for direct or remote host connections) | usb 3.0, gigabit ethernet (for direct or remote host connections) |
| 3rd party support |
flexible architecture to support 3rd party ip and debuggers device bring-up and test utilities remote target reset |
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| trace capture | 16-bit wide trace capture at 300 mhz ddr (600 mbit/s per pin) | 4-bit wide trace capture at up to 300 mhz ddr (600 mbit/s per pin) | 32-bit wide trace capture at up to 300 mhz ddr (600 mbit/s per pin) |
| interface vref | 1.2v - 3.3v (configurable by target) | 1.2v - 3.3v (configurable by target) | 1.2v - 3.3v (configurable by target) |
| software requirements | arm development studio or ds-5 | arm development studio and ds-5 5.27 or newer | arm development studio 2019.0 or newer |
| learn more | learn more | learn more | |
本文来自pg网赌软件-pg电子娱乐试玩科技，原文地址：
http://www.myir-tech.com/resource/516.asp，转载请注明出处。
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