MAX3420E(2005) Ver la hoja de datos (PDF) - Maxim Integrated

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MAX3420E
(Rev.:2005)

USB Peripheral Controller with SPI Interface

Maxim Integrated 

VCC

1.5kΩ

D+

ESD

D-

PROTECTION

VBCOMP

ESD

PROTECTION

USB Peripheral Controller

with SPI Interface

VL

RES

Functional Diagram

XI

XO

FULL-SPEED

USB

TRANSCEIVER

INTERNAL

POR

RESET

LOGIC

OSC

AND

PLL 4X

POWER

DOWN

48MHZ

USB SIE

(SERIAL-INTERFACE ENGINE)

1V–3V

ENDPOINT

BUFFERS

VBUS

COMP

VBUS_DET

RGPIN

SPI SLAVE

INTERFACE

SCLK

MOSI

MISO

SS

INT

MAX3420E

VBUS_DET

OPERATE

BUSACT SOF

0

1

2

3

MUX

GND

GPX

GPIN3 GPIN2 GPIN1 GPIN0 GPOUT3 GPOUT1

GPOUT2 GPOUT0

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