IBM PowerPC 604 User Manual page 347

Figure 8-21 shows the use of the TEA signal. Note that all bidirectional signals are three-
stated between bus tenures. Note the following:
• The first data beat of the read burst (in clock 0) is the critical quad word.
• The TEA signal truncates the burst write transfer on the third data beat.
• The 604 eventually causes an exception to be taken on the TEA event.
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Figure 8-21. Use of Transfer Error Acknowledge (TEA)
Chapter 8. System Interface Operation
8-37