TEA5767HN Просмотр технического описания (PDF) - Philips Electronics

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TEA5767HN

Low-power FM stereo radio for handheld applications

Philips Electronics 

Philips Semiconductors

8.5 Reading data

TEA5767HN

Low-power FM stereo radio for handheld applications

WRITE_READ

CLOCK

50 %

tW(read)

tsu(clk)

50 %

DATA

Fig 9. 3-wire bus read data

tLOW

th

50 %

tHIGH

50 %

td

50 %

mhc249

TEA5767HN_4

Product data sheet

DATA BYTE 1

DATA BYTE 2

Fig 10. Read mode

DATA BYTE 3

DATA BYTE 4

DATA BYTE 5

001aae350

Table 17. Format of 1st data byte

7 (MSB)

6

5

4

RF

BLF

PLL13

PLL12

3

PLL11

2

PLL10

1

PLL9

0 (LSB)

PLL8

Table 18. Description of 1st data byte bits

Bit

Symbol

Description

7

RF

Ready Flag: if RF = 1 then a station has been found or the band limit

has been reached; if RF = 0 then no station has been found

6

BLF

Band Limit Flag: if BLF = 1 then the band limit has been reached; if

BLF = 0 then the band limit has not been reached

5 to 0 PLL[13:8]

setting of synthesizer programmable counter after search or preset

Table 19. Format of 2nd data byte

7 (MSB)

6

5

4

PLL7

PLL6

PLL5

PLL4

3

PLL3

2

PLL2

1

PLL1

0 (LSB)

PLL0

Table 20. Description of 2nd data byte bits

Bit

Symbol

Description

7 to 0 PLL[7:0]

setting of synthesizer programmable counter after search or preset

Table 21. Format of 3rd data byte

7 (MSB)

6

5

4

STEREO IF6

IF5

IF4

3

IF3

2

IF2

1

IF1

0 (LSB)

IF0

Rev. 04 — 20 February 2006

© Koninklijke Philips Electronics N.V. 2006. All rights reserved.

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