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

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CS8130-CS

Multi-Standard Infrared Transceiver Multi-Standard Infrared Transceiver

Cirrus Logic 

Register 8, Baud Rate Divider Register #1

Register

D3 D2 D1 D0

BR3 BR2 BR1 BR0

Reset (R) 0 1 1 1

Register 9, Baud Rate Divider Register #2

Register

D3 D2 D1 D0

BR7 BR6 BR5 BR4

Reset (R) 0 0 0 1

BIT

BR7-0

NAME

Baud Rate Divider

Value (BRD).

BRD=(3.6864E6/

(16*BR))-1,

where BRD =

divider value and

BR = desired baud

rate.

VALUE

01011111 95 2400 bps

00101111 47 4800 bps

00010111 23 R 9600 bps

00001011 11 19.2 kbps

00001001 5

38.4 kbps

00000010 2

76.8 kbps

00000001 1

115.2 kbps

CS8130

CS8130

FUNCTION

Register 10, Modulator Divider Register #1

Register

D3 D2 D1 D0

MD3 MD2 MD1 MD0

Reset (R) 0 1 1 0

Register 11, Modulator Divider Register #2

Register

D3 D2 D1 D0

MD7 MD6 MD5 MD4

Reset (R) 0 0 0 0

BIT

NAME

VALUE

FUNCTION

MD7-0

Modulator Divider

01100000 96 38 kHz

Value (MD).

00000110 6 R 527kHz

MD=(3.6864E6/FR)-

1, where MD =

divider value and

FR = desired

modulation

frequency.

The transmitted modulation frequency will be exact. The receive carrier detection frequency can be

slightly different from the programmed frequency (see Receive ASK Carrier Timing Register).

DS134PFP1 2

1177

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