B&R ECPE84-2模擬輸入模塊
1.產(chǎn) 品 介 紹
品牌:B&R
型號說(shuō)明:B&R ECPE84-2模擬輸入模塊
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2.產(chǎn) 品 詳 情 資 料:
B&R ECPE84-2如果應用程序通過(guò)內存管理單元(MMU)啟用轉換,并且如果應用程序使用調試器的資源(例如,系統調用),則應用程序必須創(chuàng )建必要的轉換表,以便調試器能夠訪(fǎng)問(wèn)其各種資源。調試器支持MMU的啟用;162Bug矢量表和工作空間如第3章“內存需求”部分所述,B&R ECPE84-2162Bug需要64KB的讀/寫(xiě)內存才能運行。162Bug為用戶(hù)程序向量表區域保留了一個(gè)1024字節的區域,然后分配另一個(gè)1024個(gè)字節的區域并構建一個(gè)異常向量表供調試器自己使用。接下來(lái),162Bug為靜態(tài)變量預留空間,并將這些靜態(tài)變量初始化為預定義的默認值。在靜態(tài)變量之后,162Bug為系統堆棧分配空間,然后將系統堆棧指針初始化到該區域的頂部。B&R ECPE84-2
If your application enables translation through the Memory Management Units (MMUs), and if your application utilizes resources of the debugger (e.g., system calls), your application must create the necessary translation tables for the debugger to have access to its various resources. The debugger honors the enabling of the MMUs; it does not disable translation.162Bug Vector Table and Workspace As described in the Memory Requirements section in Chapter 3, B&R ECPE84-2162Bug needs 64KB of read/write memory to operate. The 162Bug reserves a 1024-byte area for a user program vector table area and then allocates another 1024-byte area and builds an exception vector table for the debugger itself to use. Next, 162Bug reserves space for static variables and initializes these static variables to predefined default values. After the static variables, 162Bug allocates space for the system stack, then initializes the system stack pointer to the top of this area.B&R ECPE84-2
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