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| THNCF008MAA Datasheet, PDF (52/52 Pages) Toshiba Semiconductor – CompactFlash Card | |||
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Preliminary version
THNCFxxxMAA Series
Power on Reset Characteristics
Power on reset sequence must need by âPORST at the rising of VCC.
Parameter
Symbol
Min Typ Max
-CE setup time
VCC rising up time
tsu(VCC)
tpr
100 ï¼
ï¼
0.1 ï¼
100
Power on Reset Timing
tpr
Unit Test
conditions
ms
ms
Vcc
-PORST
-CE1, -CE2
tsu(Vcc)
Attention for Card Use
l In the reset or power off, the information of all registers is cleared.
l Notice that the card insertion/removal should not be executed during host is active, if the card is used in True
IDE mode.
l After the card hard reset, soft reset, or power on reset, ATA reset, command applied the card cannot access
during +RDY/-BSY pin is âlowâ level. Flash card canât be operated in this case.
l Before the card insertion VCC can not be supplied to the card. After confirmation that âCD1, -CD2 pins are
inserted, supply VCC to the card.
Note:
-OE must be kept at the VCC level during power on reset in memory card mode and I/O card mode. âOE must be
kept constantly at the GND level in True IDE mode.
2001-09-05 52/52
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