Radisys 97-9029-04江南网页官方网站app下载DCS系统

1.产 品 资 料 介 绍：

中文资料：

奇偶校验功能在上电时未启用，必须通过将RFM CSR的本地中断启用（LIER）寄存器中的位13设置为偏移$14来启用。

要使用奇偶校验函数，必须在32位（Lword）或64位（Qword）边界上进行写入。奇偶校验有效时，禁止8位（字节）写入和16位（字）写入。此外，由于RAM没有在有效的奇偶校验状态下通电，所以要用奇偶校验读取的任何位置都必须首先通过写入一些数据模式来初始化。否则，读取将断言一个错误的奇偶校验错误。

Radisys 97-9029-04具有单个可编程VME总线中断输出。Radisys 97-9029-04上的一个或多个事件可能导致中断。VMEbus中断的源可以通过几个寄存器单独启用和监控。

Radisys 97-9029-04中断通过称为本地中断状态寄存器（LISR）和本地中断启用寄存器（LIER）的两个RFM CSR进行选择和监控。有关这两个寄存器的详细说明，请参阅编程部分。

英文资料：

The parity function is not enabled at power up and must be enabled by setting Bit 13 in the RFM CSR’s Local Interrupt Enable (LIER) register at offset $14.

 To use the parity function, writes must occur on 32-bit (Lword) or 64-bit (Qword) boundaries. While parity is active, 8-bit (byte) writes and 16-bit (word) writes are prohibited. In addition, since the RAM does not power up in a valid parity state, any location that is to be read with parity must first be initialized by a write of some data pattern. Otherwise the read will assert an erroneous parity error.

The Radisys 97-9029-04 has a single programmable VMEbus interrupt output. One or more events on the Radisys 97-9029-04 can cause the interrupt. The sources of the VMEbus interrupt can be individually enabled and monitored through several registers.

The Radisys 97-9029-04 interrupts are selected and monitored through the two RFM CSRs referred to as the Local Interrupt Status Register (LISR) and the Local Interrupt Enable Register (LIER). For a detailed description of the two registers refer to the Programming section. 

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