CIRCC 데이터 시트보기 (PDF) - SMSC -> Microchip

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CIRCC

Consumer Infrared Communications Controller

SMSC -> Microchip 

SCE

Encoder/Decoder

Tx Enable

Clock

Carrier Off

Transmit Bit-Rate

Divider

Carrier Frequency

Divider

CIR Tx

Receive Bit-Rate

Divider

Rx Enable Sync

Programmable

Receive Carrier

Sense

Range

CIR Rx

FIGURE 4 - CIrCC CONSUMER IR (REMOTE CONTROL) BLOCK

C C C C C C C C C’ C’ C’ C’ C’ C’ C’ C’ D D D D D D D D D’ D’ D’ D’ D’ D’ D’ D’

01 2 3 4 56 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7

Leader Code

C ustom C ode

C ustom C ode’

D ata C ode

1.125m s

D ata C ode

9m s

.5625m s

4.5m s

2.25m s

0

1

8 .7 7 u s

38K H z C arrier

2 6 .3 u s

(9m s or .5625m s)

FIGURE 5 - NEC PPM CONSUMER REMOTE CONTROL OUTPUT

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