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HB288096C6 Datasheet(PDF) 65 Page - Hitachi Semiconductor |
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HB288096C6 Datasheet(HTML) 65 Page - Hitachi Semiconductor |
65 / 67 page HB288256/192/160/128/096/064/032C6 65 Power on Reset Characteristics All card status are reset automatically when V CC voltage goes over about 2.3 V. Parameter Symbol Min Typ Max Unit Test conditions -CE setup time tsu(VCC) 100 — — ms VCC rising up time tpr 0.1 — 100 ms Power on Reset Timing tpr tsu(vcc) Vcc -CE1, -CE2 Attention for Card Use • In the reset or power off, all register informations are cleared. • All card status are cleared automatically when V CC voltage turns below about 2.5V. • Notice that the card insertion/removal should not be executed during host is active, if the card is used in True IDE mode. • After the card hard reset, soft reset, or power on reset, ATA reset, command applied the card cannot access during +RDY/-BSY pin is "low" level. Flash card can’t be operated in this case. • Card removal or power off should not be done during internal operations. When the removal or power off occurred during internal operation, there is the possibility that data are lost. • Before the card insertion V CC can not be supplied to the card. After confirmation that -CD1, -CD2 pins are inserted, supply V CC to the card. • -OE must be kept at the V CC level during power on reset in memory card mode and I/O card mode. -OE must be kept constantly at the GND level in True IDE mode. |
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