ISP1505CBS datasheet(7/76 Pages) NXP

7 / 76 page

ISP1505A_ISP1505C_3

Product data sheet

Rev. 03 — 26 August 2008

6 of 75

NXP Semiconductors

ISP1505A; ISP1505C

ULPI HS USB host and peripheral transceiver

[1]

Symbol names ending with underscore N, for example, NAME_N, indicate active LOW signals.

[2]

For details on external components required on each pin, see bill of materials and application diagrams in Section 16.

[3]

I = input; O = output; I/O = digital input/output; AI = analog input; AO = analog output; AI/O = analog input/output; P = power or ground

pin.

[4]

A detailed description of these pins can be found in Section 7.10.

RESET_N/PSW_N 12

I/O

This pin has two possible functions:

RESET_N (input) — Active LOW, asynchronous reset input.

3.3 V tolerant; plain input

PSW_N (output) — Active LOW external VBUS power switch or external charge

pump enable.

open-drain; 3.3 V tolerant

If not used, this pin must be connected to VCC(I/O).

REG1V8

1.8 V regulator output

DIR

ULPI direction signal

slew-rate controlled output (1 ns)

STP

ULPI stop signal

plain input; programmable pull up

NXT

ULPI next signal

slew-rate controlled output (1 ns)

DATA7

I/O

pin 7 of the bidirectional ULPI data bus

slew-rate controlled output (1 ns); plain input; programmable pull down

DATA6

I/O

pin 6 of the bidirectional ULPI data bus

slew-rate controlled output (1 ns); plain input; programmable pull down

DATA5

I/O

pin 5 of the bidirectional ULPI data bus

slew-rate controlled output (1 ns); plain input; programmable pull down

DATA4

I/O

pin 4 of the bidirectional ULPI data bus

slew-rate controlled output (1 ns); plain input; programmable pull down

CLOCK

60 MHz clock output

slew-rate controlled output (1 ns)

DATA3

I/O

pin 3 of the bidirectional ULPI data bus

slew-rate controlled output (1 ns); plain input; programmable pull down

VCC(I/O)

I/O supply rail

DATA2

I/O

pin 2 of the bidirectional ULPI data bus

slew-rate controlled output (1 ns); plain input; programmable pull down

GND

die

pad

ground supply; down bonded to the exposed die pad (heat sink); to be connected to

the PCB ground

Table 2.

Pin description …continued

Symbol[1][2]

Type[3]

Description[4]

ISP1505CBS Datasheet(PDF) 7 Page - NXP Semiconductors

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