STLC5411FN datasheet(9/72 Pages) STMICROELECTRONICS

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PIN FUNCTIONS (specific GCI mode)

Name

In/Out

Description

RFS

Remote febe select:

When tied to 0 the remote febe is not transferred. When tied to 1 febe is

transparently reported. See figure 10.

AIS

Analog interface select for all auto mode configurations

SFSr

Out

Rx Super frame synchronization. The rising edge of SFSr indicates the

beginning of the received superframe on the line. UID provides this output

only when ESFR bit in CR4 register is to 1 and LT/NT12 or NT/TE

configuration is done.

LSDb

Out

Line Signal Detect output (default conf.): This pin is an open drain output

which is normally in the high impedance state but pulls low when the device

previously in the power down state receives a wake-up by Tone from the

line. This signal is intended to be used to wake-up a micro-controller from a

low power idle mode. The LSD output goes back in the high impedance

state when the device is powered up.

RESb

Reset input pin with internal pull-up resistor. When pulled low, all registers

of the UID are reset to their default values. UID is configured according to

configuration inputs bias excluding MW input which must be maintained at

the 0 volt. minimum recommended pulse length is 200

µs.

Configuration input pin. When pulled low, GCI channel assigner is selected

(channel number defined by inputs S0, S1, S2). When pulled high, UID is

configured by pins CONF1 and CONF2.

MULTIPLE FUNCTION PIN DESCRIPTION

Pin 6: FSa

Function or In/Out conditions (*)

Function

In/Out

MW(pin) = 1

CMS(cr1) = 1

FSa

Out

CMS(cr1) = 0

FSa

MW(pin) = 0

MO(pin) = 1

CONF2(pin) = 1

CONF1(pin) = 1

FSa

Out

CONF1(pin) = 0

FSa

Out

CONF2(pin) = 0

CONF1(pin) = 1

FSa

CONF1(pin) = 0

FSa

Out

MO(pin) = 0

FSa

(*) Only true if ANATST (internal test signal) = 0

STLC5411

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STLC5411FN 数据表(PDF) 9 Page - STMicroelectronics

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