T5760 datasheet(2/32 Pages) ATMEL

2 / 32 page

T5760 T5761

Rev. A2, 19-Oct-00

Preliminary Information

2 (32)

Pin Description

Symbol

Function

SENS

Sensitivity-control resistor

IC_

ACTIVE

IC condition indicator

Low = sleep mode

High = active mode

CDEM

Lower cut-off frequency data fil-

ter

AVCC

Analog power supply

TEST 1

Test pin, during operation at GND

AGND

Analog ground

n.c.

Not connected, connect to GND

LNAREF

High-frequency reference node

LNA and mixer

LNA_IN

RF input

LNAGND DC ground LNA and mixer

TEST 2

Do not connect during operating

TEST 3

Test pin, during operation at GND

n.c.

Not connected, connect to GND

XTAL

Crystal oscillator XTAL connec-

tion

DVCC

Digital power supply

TEST 4

Test pin, during operation at

DVCC

DATA_

CLK

Bit clock of data stream

DGND

Digital ground

POLL-

ING/_ON

Selects polling or rceiving mode

Low: receiving mode

High: polling mode

DATA

Data output / configuration input

AVCC

TEST 1

AGND

n.c.

LNAREF

LNA_IN

IC_ACTIVE

CDEM

DATA_CLK

TEST 4

XTAL

n.c.

TEST 3

POLLING

/_ON

DGND

LNAGND

TEST 2

DATA

DVCC

SENS

T5760/

T5761

Figure 2. Pinning SO20

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