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TS32MCF80 Folha de dados(PDF) 10 Page - Transcend Information. Inc. |
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TS32MCF80 Folha de dados(HTML) 10 Page - Transcend Information. Inc. |
10 / 82 page T T TS S S3 3 32 2 2M M M~ ~ ~1 1 1G G GC C CF F F8 8 80 0 0 80X CompactFlash Card Transcend Information Inc. V1.1 10 -IORD (PC Card Memory Mode) -IORD (PC Card I/O Mode) -IORD (True IDE Mode ) I 34 This signal is not used in this mode. This is an I/O Read strobe generated by the host. This signal gates I/O data onto the bus from the CompactFlash Storage Card when the card is configured to use the I/O interface. In True IDE Mode, this signal has the same function as in PC Card I/O Mode. -IOWR (PC Card Memory Mode) -IOWR (PC Card I/O Mode) -IOWR (True IDE Mode) I 35 This signal is not used in this mode. The I/O Write strobe pulse is used to clock I/O data on the Card Data bus into the CompactFlash Storage Card controller registers when the CompactFlash Storage Card is configured to use the I/O interface. The clocking shall occur on the negative to positive edge of the signal (trailing edge). In True IDE Mode, this signal has the same function as in PC Card I/O Mode. Signal Name Dir. Pin Description -OE (PC Card Memory Mode) -OE (PC Card I/O Mode) -ATA SEL (True IDE Mode) I 9 This is an Output Enable strobe generated by the host interface. It is used to read data from the CompactFlash Storage Card in Memory Mode and to read the CIS and configuration registers. In PC Card I/O Mode, this signal is used to read the CIS and configuration registers. To enable True IDE Mode this input should be grounded by the host. READY (PC Card Memory Mode) -IREQ (PC Card I/O Mode) INTRQ (True IDE Mode) O 37 In Memory Mode, this signal is set high when the CompactFlash Storage Card is ready to accept a new data transfer operation and is held low when the card is busy. At power up and at Reset, the READY 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. Note, however, that when a card is powered up and used with RESET continuously disconnected or asserted, the Reset function of the RESET pin is disabled. Consequently, the continuous assertion of RESET from the application of power shall not cause the READY signal to remain continuously in the busy state. I/O Operation – After the CompactFlash Storage Card Card has been configured for I/O operation, this signal is used as -Interrupt Request. This line is strobed low to generate a pulse mode interrupt or held low for a level mode interrupt. In True IDE Mode signal is the active high Interrupt Request to the host. |
Nº de peça semelhante - TS32MCF80 |
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Descrição semelhante - TS32MCF80 |
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