SP5301 datasheet(7/13 Pages) SIPEX

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SP5301DS/10

SP5301 Universal Serial Bus Transceiver

PIN ASSIGNMENTS

Pin 1 — RERR — Receive Error. This CMOS

level output pin is forced HIGH when

both D+ and D- are HIGH to signal an

error state. CAUTION: Since RERR is a

CMOS output, care must be taken to

ensure that RERR is NOT connected to

CC or GND.

Pin 2 — OE — Output Enable Not. When

asserted LOW, this input pin enables the

driver to transmit data on the bus. When

HIGH, the receiver is active and the driver

outputs are in tri-state.

Pin 3 — RCV — Receive data. This is a

CMOS level output pin from D+ and D-,

typically connected to the inputs of the

USB Serial Interface Engine (SIE).

Pin 4, 5 — VP, VM — Gated version of D+

and D-. Used to detect single ended zero

(SEO), error conditions, and interconnect

speed. These pins have CMOS level

outputs.

VCC

GND

RERR

RCV

SUSPND

SPEED

RSEO

D-

D+

VPO

VMO

Pin 6 — SUSPND — Suspend. This input pin

provides a low power state for the SP5301

while the USB bus is inactive. While the

SUSPND pin is asserted HIGH, it will

drive RCV pin LOW.

Pin 7 — GND — Ground.

Pin 8 — RSEO — Receive Single Ended Zero.

This CMOS level output pin is forced

HIGH when both D+ and D- are LOW to

signal the end of packet (EOP) in signal

transmission. CAUTION: Since RSEO

is a CMOS output, care must be taken to

ensure that RSEO is NOT connected to

CC or GND.

Pin 9 — SPEED — Speed. Edge rate control.

This input pin determines edge rates, where

a logic HIGH designates edge rates for

"full speed" and logic LOW designates

edge rates for "low speed."

Pin 10, 11 — D-, D+ — Data-, Data+. These

differential data bus I/O pins conform to

the Universal Serial Bus standard.

Pin 12, 13 — VPO, VMO — These are the

PINOUT

logic inputs to the differential driver,

typically connected to the outputs of the

Serial Interface Engine (SIE).

Pin 14 — V

CC — +3.0V to +3.6V power supply.

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