B&R ECPNC3-0編碼器計數(shù)器模塊
1.產(chǎn) 品 介 紹
品牌：B&R
型號說明：B&R ECPNC3-0編碼器計數(shù)器模塊
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2.產(chǎn) 品 詳 情 資 料：
B&R ECPNC3-0除了第一個1024字節(jié)的矢量表區(qū)域外，您必須非常小心，不要將上述內(nèi)存區(qū)域用于其他目的。您應(yīng)該參考第3章中的“內(nèi)存要求”部分，以確定如何指定保留內(nèi)存區(qū)域的位置。例如，如果您的程序無意中寫入了包含串行通信參數(shù)的靜態(tài)變量區(qū)域，則這些參數(shù)將丟失，從而導(dǎo)致與系統(tǒng)控制臺終端的通信中斷。如果您的程序損壞了系統(tǒng)堆棧，則可能會將錯誤的值加載到處理器程序計數(shù)器（PC）中B&R ECPNC3-0從而導(dǎo)致系統(tǒng)崩潰。硬件功能調(diào)試器使用的唯一硬件資源是EIA-232-D端口，這些端口被初始化為與調(diào)試終端連接。如果對這些端口進(jìn)行了重新編程，則必須修改終端特性以適應(yīng)，或者在重新調(diào)用調(diào)試器之前，應(yīng)將端口恢復(fù)為調(diào)試器設(shè)置的特性。B&R ECPNC3-0
With the exception of the first 1024-byte vector table area, you must be extremely careful not to use the above-mentioned memory areas for other purposes. You should refer to the Memory Requirements section in Chapter 3B&R ECPNC3-0 to determine how to dictate the location of the reserved memory areas. If, for example, your program inadvertently wrote over the static variable area containing the serial communication parameters, these parameters would be lost, resulting in a loss of communication with the system console terminal. If your program corrupts the system stack, then an incorrect value may be loaded into the processor Program Counter (PC), causing a system crash. Hardware Functions The only hardware resources used by the debugger are the EIA-232-D ports, which are initialized to interface to the debug terminal. If these ports are reprogrammed, the terminal characteristics must be modified to suit, or the ports should be restored to the debugger-set characteristics prior to reinvoking the debugger.B&R ECPNC3-0
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