CS8130-CS Просмотр технического описания (PDF) - Cirrus Logic

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CS8130-CS

Multi-Standard Infrared Transceiver Multi-Standard Infrared Transceiver

Cirrus Logic 

CS8130

CS8130

Register 5, Receive Mode Register

D3 D2 D1 D0

Register RTVR RMOD RWIDS RWIDL

Reset (R) 0 0 1 1

BIT

RTVR,

RMOD,

RWIDS,

RWIDL

NAME

Receive Mode

VALUE

0000

0

0001

0010

0011

1

2

3R

0100

4

1000

8

1100

12

FUNCTION

Mode 2 Amplitude modulated carrier mode

Mode 1a IRDA - fixed 1.6µs pulse

Mode 1b IRDA - variable 3/16 bit cell time pulse

Mode 1c IRDA - Any width pulse from 1.6µs to

3/16 bit cell time

Mode 4 Direct access mode

Mode 3 TV remote mode, oversampling receive

Mode 3 TV remote mode, timed bit cell receive

All other combinations are reserved

Register 6, Receive Sensitivity Register #1

Register

D3 D2 D1 D0

RS3 RS2 RS1 RS0

Reset (R) 0 1 1 1

Register 7, Receive Sensitivity Register #2

Register

D3 D2 D1 D0

0

0

0

RS4

Reset (R) 0 0 0 0

BIT

RS4-0

NAME

Receive threshold

setting.

VALUE

FUNCTION

00000 0

7.8 nA nominal receive threshold

00001 1

15.6 nA nominal receive threshold

"

"

"

00111 7 R 62.5 nA nominal receive threshold

"

"

"

11110 30 242.2 nA nominal receive threshold

11111 31 250 nA nominal receive threshold

Threshold settings of less than 20nA should not be used because background noise will cause the

apparent occurrence of constant signal.

16

DSD1S3143P4PF21

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