GP2W0001YP Просмотр технического описания (PDF) - Sharp Electronics

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GP2W0001YP

Low Power Infrared Transceiver

Sharp Electronics 

GP2W0001YP/GP2W0002YP

Signal Waveform Example

Figure 14 shows examples of each waveform when

operating a GP2W0001YP to IrDA standards. Note that

the IrDA bitstream is inverted in the encoder and

decoder circuits, and the output pulse is sent during a

‘0’ bit. The examples are for reference only, to help

understand the GP2W0001YP hardware, and device

signal measurements. The receiver output is not gated,

and will send output for the entire period of the received

IR input signal. Refer to Figure 14 for waveform refer-

ence points.

3

2

ENCODER 1

CIRCUIT

4

DECODER 5

CIRCUIT

GP2W0001YP-31

Figure 13. GP2W0001YP Block Diagram

Low Power Infrared Transceiver

T

T

1

0

1

0

1

3/16T

2

3

4

5

0

1

0

1

NOTES:

1 Transmit data waveform

2 Encoder circuit output waveform

3 Transmitter output optical signal waveform

4 GP2W0001YP receiver output waveform

5 Receive data waveform

T=

1

Data Rate

Data rate: 2.4 Kbps, 9.6 Kbps, 19.2 Kbps, 38.4 Kbps,

57.6 Kbps, 115.2 Kbps

GP2W0001YP-32

Figure 14. Signal Waveform Example

8

Technical Information

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