T5743 データシートの表示（PDF） - Atmel Corporation

部品番号

コンポーネント説明

メーカー

T5743

UHF ASK/FSK Receiver

Atmel Corporation 

Pin Description (Continued)

Pin

Symbol

Function

15

DVCC

Digital power supply

16

MODE

Selecting 433.92 MHz/315 MHz

Low: fXT0 = 4.90625 MHz (USA)

High: fXT0 = 6.76438 MHz (Europe)

17

DATA_CLK

Bit clock of data stream

18

DGND

Digital ground

19

POLLING/_ON

Selects polling or receiving mode

Low: receiving mode

High: polling mode

20

DATA

Data output/configuration input

Figure 3. Block Diagram

CDEM

AVCC

SENS

AGND

DGND

FSK/ASK-

Demodulator

and data filter

Dem_out

RSSI

Limiter out

Data

interface

IF Amp

Sensitivity

reduction

4. Order

Polling circuit

and

control logic

FE

CLK

MIXVCC

LNAGND

LPF

3 MHz

IF Amp

LPF

3 MHz

LNA_IN

LNA

Standby logic

VCO

f

64

XTO

T5743

DATA

POLLING/_ON

TEST

DATA_CLK

MODE

DVCC

IC_ACTIVE

LFGND

LFVCC

XTO

LF

3

4569A–RKE–12/02

Share Link: