TEA6840 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

比赛名单

TEA6840

New In Car Entertainment (NICE) car radio

Philips Electronics 

Philips Semiconductors

New In Car Entertainment (NICE) car radio

Preliminary specification

TEA6840H

SYMBOL

PARAMETER

CONDITIONS

MIN.

Oscillator divider N1

D/DN1

oscillator divider ratio N1 data byte 4 bit 0 = 0, bit 1 = 0 −

and bit 2 = 0 for FM standard;

bit 1 = 0, bit 2 = 1 for FM EE;

bit 1 = 1, bit 2 = 0 for FM local

data byte 4 bit 0 = 0, bit 1 = 1 −

and bit 2 = 1 for FM WX

Oscillator divider N2

D/DN2

oscillator divider ratio N2 data byte 4 bit 0 = 1, bit 2 = 1; −

AM mode

data byte 4 bit 0 = 1, bit 2 = 0; −

AM mode

Synthesizer

PROGRAMMABLE DIVIDER

D/Dprog

programmable divider

512

ratio

D/Dstep

programmable divider

−

step size

REFERENCE FREQUENCY DIVIDER

D/DNref

crystal oscillator divider fosc = 20.5 MHz; data byte 4 −

ratio Nref

bit 4 = 0, bit 5 = 0 and

bit 6 = 0; fref = 100 kHz

fosc = 20.5 MHz; data byte 4 −

bit 4 = 0, bit 5 = 0 and

bit 6 = 1; fref = 50 kHz

fosc = 20.5 MHz; data byte 4 −

bit 4 = 0, bit 5 = 1 and

bit 6 = 0; fref = 25 kHz

fosc = 20.5 MHz; data byte 4 −

bit 4 = 0, bit 5 = 1 and

bit 6 = 1; fref = 20 kHz

fosc = 20.5 MHz; data byte 4 −

bit 4 = 1, bit 5 = 0 and

bit 6 = 0; fref = 10 kHz

TYP.

2

1

10

5

−

1

205

410

820

1 025

2 050

MAX.

−

−

−

−

32 767

−

−

−

−

−

−

UNIT

1999 Jul 12

13

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