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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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ST52T301 Datenblatt(PDF) 39 Page - STMicroelectronics |
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ST52T301 Datenblatt(HTML) 39 Page - STMicroelectronics |
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39 / 100 page  8.3 OUTPUT HANDSHAKE Figure 8.7 illustrates the timing associated with the READY Handshake signal, when the instruction LDPR 2 reg is performed. When READY is reset no significantdata are on the output port pins, because ST52x301 is writing into the PERIPH_REG_2. When the data is ready in PERIPH_REG_2, READY signal is set. The rising edge of READY signal can be used as a latching signal. No peripheral acknowledge is waited for. If the signal READY is high, it means that the data out is still not read.In this case, the following LDPR instruction is stored in a one register peripheral stack. If the READY is maintained high, the following LDPR instructions store the data coming from the Registers File on the same register stack. Figure 8.6. One Line Output Handshake Figure 8.7. One Line Output Handshake Timing 39/99 ST52T301/E301 |
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