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THNCF160MBAI Datasheet(PDF) 8 Page - Toshiba Semiconductor |
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THNCF160MBAI Datasheet(HTML) 8 Page - Toshiba Semiconductor |
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8 / 48 page  THNCFxxxMBA/BAI Series 2002-10-20 8/48 Preliminary Signal Name Dir Pin No. Description RDY/-BSY (PC Card Memory Mode) In Memory Mode this signal is set high when the CompactFlash Storage Card is ready to accept a new data transfer operation and held low when the card is busy .The Host memory card socket must provide a pull-up resistor. At power up and at Reset the RDY/ −BSY signal is held low (busy) until the CompactFlash Storage Card has completed its power up or reset function. No access of any type should be made to the CompactFlash Storage Card during this time .The RDY/-BSY signal is held high (disabled from being busy) whenever the following condition is true. The CompactFlash Storage Card has been powered up with + RESET continuously disconnected or asserted. −IREQ (PC Card I/O Mode) Operation-After the CompactFlash Storage Card has been configured for I/O operation; this signal is used as interrupt Request. This line is strobe low to generate a pulse mode interrupt or held low for a level mode interrupt INTRQ (True IDE Mode) O 37 In True IDE Mode signal is the active high interrupt Request to the host. −REG (PC Card Memory Mode) This signal is used during Memory Cycles to distinguish between Common Memory and Register (Attribute) Memory accesses. High for Common Memory, Low for Attribute Memory. −REG (PC Card I/O Mode) The signal must also be active (low) during I/O Cycles when the I/O address is on the Bus. −REG (True IDE Mode) I 44 In True IDE Mode this input signal is not used and should be connected to VCC by the host. RESET (PC Card Memory Mode) RESET (PC Card I/O Mode) When the pin is high, this signal Resets the CompactFlash Storage Card. The CompactFlash Storage Card is Reset only at power up if this pin is left high or open from power-up .The CompactFlash Storage Card is also Reset when the Soft Reset bit in the Card Configuration Option Register is set. −RESET (True IDE Mode) I 41 In the True IDE Mode this input pin is the active low hardware reset from the host. VCC (PC Card Memory Mode) (PC Card I/O Mode) (True IDE Mode) 13,38 +5V +3.3V power −VS1 / −VS2 (PC Card Memory Mode) (PC Card I/O Mode) (True IDE Mode) O 33,40 Voltage Sense Signals. -VS1 is grounded so that the CompactFlash Storage Card CIS can be read at 3.3 volts and −VS2 is reserved by PCMCIA for a secondary voltage. −WAIT (PC Card Memory Mode) −WAIT (PC Card I/O Mode) The −WAIT signal is driven low by the CompactFlash Storage Card to signal the host to delay completion of a memory or I/O cycle that is in progress. IORDY (True IDE Mode) O 42 In True IDE Mode this output signal may be used as IORDY −WE (PC Card Memory Mode) This is a signal driven by the host and used for strobing memory write data to the registers of the CompactFlash Storage Card when the card is configured I the memory interface mode. It is also used for writing the configuration registers. −WE (PC Card I/O Mode) I 36 In PC Card I/O Mode, this signal is used for writing the configuration registers. |
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