AMAT 1007-0016運(yùn)動(dòng)控制器
1.產(chǎn) 品 資 料 介 紹：
中文資料：
AMAT 1007-0016處理器認(rèn)為從最低字節(jié)地址檢索的數(shù)據(jù)是多字節(jié)讀取后的最低有效字節(jié)。從最高字節(jié)地址檢索的數(shù)據(jù)被認(rèn)為是最高有效字節(jié)。將圖1-2中的Little Endian Pentium的行為與使用Motorola 68040等AMAT 1007-0016處理器的相同L字傳輸進(jìn)行對(duì)比
請(qǐng)注意，AMAT 1007-00160以與Little Endian Pentium微處理器完全不同的方式處理相同的L字傳輸。在多字節(jié)傳輸期間，如圖所示的L字傳輸，AMAT 1007-0016處理器將其最低有效字節(jié)寫入存儲(chǔ)器中的最高字節(jié)地址，而其最高有效字節(jié)寫入最低地址。AMAT 1007-0016
在讀取操作期間，情況正好相反：最低字節(jié)地址中的數(shù)據(jù)被認(rèn)為是最高有效的，而最高地址中的字節(jié)被認(rèn)為是最低有效的。
英文資料：
AMAT 1007-0016the processor considers data retrieved from the lowest byte address to be the least significant byte after a multiple-byte read. Data retrieved from the highest byte address is considered to be the most significant byte. Contrast the behavior of the Little Endian Pentium in Figure 1-2 with the same Lword transfer using a Big Endian processor like the AMAT 1007-0016
Note that the Big Endian 68040 handles the same Lword transfer in a completely different manner than the Little Endian Pentium microprocessor. During a multiple-byte transfer like the Lword transfer illustrated, a Big Endian processor writes its least significant byte in the highest byte address in memory, while its most significant byte is written to the lowest address.AMAT 1007-0016
The converse is true during read operations: the data in the lowest byte address is considered to be the most significant, while the byte in the highest address is considered to be the least significant.AMAT 1007-0016
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