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USB2601 数据表(PDF) 12 Page - Microchip Technology |
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USB2601 数据表(HTML) 12 Page - Microchip Technology |
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12 / 30 page  USB2601/USB2602 DS00002119A-page 12 2004 - 2016 Microchip Technology Inc. CF Chip Select 0 CF_nCS0 O8PU This pin is the active low chip select 0 signal for the task file registers of CF ATA device in the True IDE mode. CF Register Address 2 CF_SA2 O8 This pin is the register select address bit 2 for the CF ATA device. CF Register Address 1 CF_SA1 O8 This pin is the register select address bit 1 for the CF ATA device CF Register Address 0 CF_SA0 O8 This pin is the register select address bit 0 for the CF ATA device. CF Interrupt CF_IRQ IPD This is the active high interrupt request signal from the CF device. CF Data [15:8] CF_D[15:8] I/O8PD The bi-directional data signals CF_D15-CF_D8 in True IDE mode data transfer. In the True IDE Mode, all of task file register operation occur on the CF_D[7:0], while the data transfer is on CF_D[15:0]. The bi-directional data signal has an internal weak pull- down resistor. CF Data [7:0] CF_D[7:0] I/O8PD The bi-directional data signals CF_D7-CF_D0 in the True IDE mode data transfer. In the True IDE Mode, all of task file register operation occur on the CF_D[7:0], while the data transfer is on CF_D[15:0]. The bi-directional data signal has an internal weak pull- down resistor. IO Ready CF_IORDY IPU This pin is active high input signal. This pin has an internally controlled weak pull-up resistor. CF Card Detection2 CF_nCD2 IPU This card detection pin is connected to the ground on the CF device, when the CF device is inserted. This pin has an internally controlled weak pull-up resistor. CF Card Detection1 CF_nCD1 IPU This card detection pin is connected to ground on the CF device, when the CF device is inserted. This pin has an internally controlled weak pull-up resistor. CF Hardware Reset CF_nRESET O8 This pin is an active low hardware reset signal to CF device. CF IO Read CF_nIOR O8 This pin is an active low read strobe signal for CF device. CF IO Write Strobe CF_nIOW O8 This pin is an active low write strobe signal for CF device. SmartMedia INTERFACE SM Write Protect SM_nWP O8PD This pin is an active low write protect signal for the SM device. This pin has a weak pull-down resistor that is permanently enabled SM Address Strobe SM_ALE O8PD This pin is an active high Address Latch Enable signal for the SM device. This pin has a weak pull-down resistor that is permanently enabled SM Command Strobe SM_CLE O8PD This pin is an active high Command Latch Enable signal for the SM device. This pin has a weak pull-down resistor that is permanently enabled Name Symbol Buffer Type Description |
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