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ISP1582 Datasheet(PDF) 6 Page - NXP Semiconductors |
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ISP1582 Datasheet(HTML) 6 Page - NXP Semiconductors |
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Philips Semiconductors ISP1582 Hi-Speed USB peripheral controller Preliminary data Rev. 03 — 25 August 2004 6 of 66 9397 750 13699 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. 7.2 Pin description Table 2: Pin description Symbol[1] Pin Type[2] Description AGND 1 - analog ground RPU 2 A connect to the external pull-up resistor for pin DP; must be connected to 3.3 V via a 1.5 k Ω resistor DP 3 A USB D+ line connection (analog) DM 4 A USB D − line connection (analog) AGND 5 - analog ground RREF 6 A connect to the external bias resistor; must be connected to ground via a 12.0 k Ω± 1 % resistor RESET_N 7 I reset input (500 µs); a LOW level produces an asynchronous reset; connect to VCC for the power-on reset (internal POR circuit) TTL; 5 V tolerant EOT 8 I End-of-transfer input (programmable polarity); used in DMA slave mode only; when not in use, connect this pin to VCC(I/O) through a 10 k Ω resistor input pad; TTL; 5 V tolerant DREQ 9 O DMA request (programmable polarity) output; when not in use, connect this pin to ground through a 10 k Ω resistor; see Table 54 and Table 55 TTL; 4 ns slew-rate control DACK 10 I DMA acknowledge input (programmable polarity); when not in use, connect this pin to VCC(I/O) through a 10 kΩ resistor; see Table 54 and Table 55 TTL; 5 V tolerant DIOR 11 I DMA read strobe input (programmable polarity); when not in use, connect this pin to VCC(I/O) through a 10 kΩ resistor; see Table 54 and Table 55 TTL; 5 V tolerant DIOW 12 I DMA write strobe input (programmable polarity); when not in use, connect this pin to VCC(I/O) through a 10 kΩ resistor; see Table 54 and Table 55 TTL; 5 V tolerant DGND 13 - digital ground INT 14 O interrupt output; programmable polarity (active HIGH or LOW) and signaling (edge or level triggered) CMOS output; 8 mA drive CS_N 15 I chip select input input pad; TTL; 5 V tolerant RD_N 16 I read strobe input input pad; TTL; 5 V tolerant WR_N 17 I write strobe input input pad; TTL; 5 V tolerant |
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