ATA5811 datasheet(4/90 Pages) ATMEL

4 / 90 page

ATA5811/ATA5812 [Preliminary]

4689B–RKE–04/04

VAUX

Auxiliary supply voltage input

TEST1

Test input, at GND during operation

DVCC

Blocking of the digital voltage supply

VSOUT

Output voltage power supply for external devices

TEST2

Test input, at GND during operation

XTAL1

Reference crystal

XTAL2

Reference crystal

Not connected

VSINT

Microcontroller Interface supply voltage

N_RESET

Output pin to reset a connected microcontroller

IRQ

Interrupt request

CLK

Output to clock a connected microcontroller

SDO_TMDO

Serial data out/transparent mode data out

SDI_TMDI

Serial data in/transparent mode data in

SCK

Serial clock

DEM_OUT

Demodulator open drain output signal

Chip select for serial interface

RSSI

Output of the RSSI amplifier

CDEM

Capacitor to adjust the lower cut-off frequency data filter

RX_TX2

GND pin to decouple LNA in TX mode

RX_TX1

Switch pin to decouple LNA in TX mode

PWR_ON

Input to switch on the system (active high)

Key input 1 (can also be used to switch on the system (active low)

Key input 2 (can also be used to switch on the system (active low)

Key input 3 (can also be used to switch on the system (active low)

Key input 4 (can also be used to switch on the system (active low)

Key input 5 (can also be used to switch on the system (active low)

RX_ACTIVE

Indicates RX operation mode

Not connected

GND

Ground/backplane

Pin Description (Continued)

Symbol

Function

ATA5811 Datasheet(PDF) 4 Page - ATMEL Corporation

ATA5811 Datasheet(HTML) 4 Page - ATMEL Corporation

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