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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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HD64F2149YV Folha de dados(PDF) 759 Page - Renesas Technology Corp |
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HD64F2149YV Folha de dados(HTML) 759 Page - Renesas Technology Corp |
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759 / 1075 page  Section 22 ROM Rev. 3.00 Jan 18, 2006 page 731 of 1044 REJ09B0280-0300 22.10.8 Status Polling • The FO7 status polling flag indicates the operating status in auto-program or auto-erase mode. • The FO6 status polling flag indicates a normal or abnormal end in auto-program or auto-erase mode. Table 22.21 Status Polling Output Truth Table Pin Names Internal Operation in Progress Abnormal End — Normal End FO7 0 1 0 1 FO6 0 0 1 1 FO0 to FO5 0 0 0 0 22.10.9 Programmer Mode Transition Time Commands cannot be accepted during the oscillation stabilization period or the programmer mode setup period. After the programmer mode setup time, a transition is made to memory read mode. Table 22.22 Command Wait State Transition Time Specifications Item Symbol Min Max Unit Standby release (oscillation stabilization time) t osc1 20 — ms Programmer mode setup time t bmv 10 — ms V CC hold time t dwn 0 — ms VCC RES Memory read mode Command wait state Command wait state Normal/ abnormal end identification Auto-program mode Auto-erase mode tosc1 tbmv tdwn Don't care Command acceptance Figure 22.23 Oscillation Stabilization Time, Programmer Mode Setup Time, and Power Supply Fall Sequence |
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