STA400A datasheet(4/117 Pages) STMICROELECTRONICS

4 / 117 page

STA400A

4/117

TREFM

Analog

Vref

Terr. ADC Reference Negative Voltage.

Bottom of the reference ladder (driven or

filtered).

Analog Pad Buffer (1)

TREFP

Analog

Vref

Terr. ADC Reference Positive Voltage. Top of

the reference ladder (driven or filtered).

Analog Pad Buffer (1)

TADCREF

Analog

Terminal

Terr. ADC Reference Adjust (external resistor

to determine Ipol)

Analog Pad Buffer (1)

TINCM

Analog

Output

Terr. ADC Internal Common-Mode output for

bypassing

Analog Pad Buffer (1)

IF2TA_P

Analog

Input

Terr. 2nd IF Differential Input - Positive

Analog Pad Buffer (1)

IF2TA_N

Analog

Input

Terr. 2nd IF Differential Input - Negative

Analog Pad Buffer (1)

TVCMO

Analog

Terminal

Terr. ADC Internal Common Mode (filtered)

Analog Pad Buffer (1)

17,26

AVDD

PWR

Analog Positive Supply Voltage (1.8V)

18,27

AGND

GND

Analog Ground

SVCMO

Analog

Terminal

Sat. ADC Internal Common Mode

(filtered)

Analog Pad Buffer (1)

IF2SA_N

Analog

Input

Sat. 2nd IF Differential Input - Negative

Analog Pad Buffer (1)

IF2SA_P

Analog

Input

Sat. 2nd IF Differential Input - Positive

Analog Pad Buffer (1)

SINCM

Analog

Output

Sat. ADC Internal Common-Mode output for

bypassing

Analog Pad Buffer (1)

SADCREF

Analog

Terminal

Sat. ADC Reference Adjust (external resistor

to determine Ipol)

Analog Pad Buffer (1)

SREFP

Analog

Vref

Sat. ADC Reference Positive Voltage. Top of

the reference ladder (driven or filtered).

Analog Pad Buffer (1)

SREFM

Analog

Vref

Sat. ADC Reference Negative Voltage.

Bottom of the reference ladder (driven or

filtered).

Analog Pad Buffer (1)

MRESET

Master Reset

Schmitt Trigger Buffer

TAGC

Terr. AGC Control Signal

2mA Output Driver

SAGC

Sat. AGC Control Signal

2mA Output Driver

XTO

XTAL Output

Oscillator Buffer

XTI/MCLK

XTAL Input or Master Clock Input

Analog Pad Buffer (2)

ADCSEL

Selection between Internal or External ADC

0=Internal

Buffer with Pull-Down

Pin N°

Pin Name

Type

Function

PAD Description

PIN DESCRIPTION (Continued)

STA400A Datasheet(PDF) 4 Page - STMicroelectronics

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