CS8130 Просмотр технического описания (PDF) - Cirrus Logic

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CS8130

Multi-Standard Infrared Transceiver Multi-Standard Infrared Transceiver

Cirrus Logic 

1

TRANSMITTER

TXD

* LED Output

RECEIVER

PIN Input

** RXD

A: 1/baud rate

B: 3/16 of 1/115200 or 3/16 of A (selectable)

C: 3/16 of 1/115200 to 3/16 of A

0

B

C

A

CS8130

CS8130

1

On

Off

Light

No Light

* LED1C and LED2C go low to turn on LED.

** RXD output is delayed from the PIN diode

input by A (1 bit).

Figure 2. Infra Red Data Format Mode 1 (IRDA/HPSIR)

1

0

1

TXD

TRANSMITTER

On

LED Output

Off

B

RECEIVER

PIN Input

A: 1/baud rate

B: 1/527kHz

C: 1/500kHz +/- 10%

RXD

C

A

Light

No Light

Figure 3. Infra Red Data Format Mode 2 (500kHz ASK)

1

0

1

TXD Data *

TRANSMITTER

On

LED Output

Off

B

PIN Input

RECEIVER

C

RXD Data *

A: 1/2400

These numbers are typical values.

B: 1/38.4kHz

TV Remote Bit Rate and Modulation

C: 1/40kHz +/- 10% Frequency are programmable.

A

Light

No Light

* The timing of data

on the RXD and TXD pins

is faster than shown here

Figure 4. Infra Red Data Format 3 (TV Remote, 38kHz ASK)

DS134PFP1 2

77

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