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TMPR4925 Datasheet(PDF) 127 Page - Toshiba Semiconductor |
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TMPR4925 Datasheet(HTML) 127 Page - Toshiba Semiconductor |
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127 / 590 page ![]() Chapter 7 External Bus Controller 7-17 7.3.7.5 Ready Input Timing The ACK*/Ready pin is used as a Ready input when in the Ready mode. The Ready input timing is the same as the ACK* input timing explained in “7.3.7.4 ACK* Input Timing (External ACK Mode)” with the two following exceptions. • Ready must be a High Active signal. • When in the Ready mode, the Wait cycle count specified by EBCCRn.PWT:WT must be inserted in order to delay the Ready signal check (see “7.3.6.3 Ready Mode”). Figure 7.3.14 Ready Input Timing (Read Cycle) SYSCLK CE* ADDR [19:0] OE* DATA [31:0] ACK*/READY (Input) Latch Data Acknowledge Ready 2 clocks EBCCRn.PWT:WT=2 EBCCRn.SHWT=0 ACK*/READY (Input) 2 clocks SYSCLK CE* ADDR [19:0] OE* DATA [31:0] Latch Data Acknowledge Ready EBCCRn.PWT:WT=2 EBCCRn.SHWT=0 Start Ready Check |
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