TEA5767HN Просмотр технического описания (PDF) - Philips Electronics
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TEA5767HN Datasheet PDF : 39 Pages
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Philips Semiconductors
TEA5767HN
Low-power FM stereo radio for handheld applications
Table 12. Format of 4th data byte
7 (MSB)
6
5
4
SWP2
STBY
BL
XTAL
3
SMUTE
2
HCC
1
SNC
0 (LSB)
SI
Table 13. Description of 4th data byte bits
Bit
Symbol
Description
7
SWP2
Software programmable port 2: if SWP2 = 1 then port 2 is HIGH; if
SWP2 = 0 then port 2 is LOW
6
STBY
Standby: if STBY = 1 then in Standby mode; if STBY = 0 then not in
Standby mode
5
BL
Band Limits: if BL = 1 then Japanese FM band; if BL = 0 then
US/Europe FM band
4
XTAL
Clock frequency: see Table 16
3
SMUTE
Soft Mute: if SMUTE = 1 then soft mute is ON; if SMUTE = 0 then soft
mute is OFF
2
HCC
High Cut Control: if HCC = 1 then high cut control is ON; if HCC = 0
then high cut control is OFF
1
SNC
Stereo Noise Cancelling: if SNC = 1 then stereo noise cancelling is
ON; if SNC = 0 then stereo noise cancelling is OFF
0
SI
Search Indicator: if SI = 1 then pin SWPORT1 is output for the ready
flag; if SI = 0 then pin SWPORT1 is software programmable port 1
Table 14. Format of 5th data byte
7 (MSB)
6
5
4
PLLREF DTC
-
-
3
-
2
-
1
-
0 (LSB)
-
Table 15. Description of 5th data byte bits
Bit
Symbol
Description
7
PLLREF
if PLLREF = 1 then the 6.5 MHz reference frequency for the PLL is
enabled; if PLLREF = 0 then the 6.5 MHz reference frequency for the
PLL is disabled; see Table 16
6
DTC
if DTC = 1 then the de-emphasis time constant is 75 µs; if DTC = 0
then the de-emphasis time constant is 50 µs
5 to 0 -
not used; position is don’t care
Table 16. Clock bits setting
PLLREF XTAL
Clock frequency
0
0
13 MHz
0
1
32.768 kHz
1
0
6.5 MHz
1
1
not allowed
TEA5767HN_4
Product data sheet
Rev. 04 — 20 February 2006
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
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