TEA5768HL Просмотр технического описания (PDF) - Philips Electronics
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TEA5768HL Datasheet PDF : 36 Pages
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Philips Semiconductors
Low-power FM stereo radio for
handheld applications
Product specification
TEA5768HL
Table 11 Search stop level setting
SSL1
0
0
1
1
SSL0
0
1
0
1
not allowed in search mode
low; level ADC output = 5
mid; level ADC output = 7
high; level ADC output = 10
SEARCH STOP LEVEL
Table 12 Format of 4th data byte
BIT 7 (MSB)
SWP2
BIT 6
STBY
BIT 5
BL
BIT 4
XTAL
BIT 3
SMUTE
BIT 2
HCC
BIT 1
SNC
BIT 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
if XTAL = 1 then fxtal = 32.768 kHz; if XTAL = 0 then fxtal = 13 MHz
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
BIT 7 (MSB)
PLLREF
BIT 6
DTC
BIT 5
−
BIT 4
−
BIT 3
−
BIT 2
−
BIT 1
−
BIT 0 (LSB)
−
Table 15 Description of 5th data byte bits
BIT
7
6
5 to 0
SYMBOL
PLLREF
DTC
−
DESCRIPTION
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
if DTC = 1 then the de-emphasis time constant is 75 µs; if DTC = 0 then the
de-emphasis time constant is 50 µs
not used; position is don’t care
2004 Sep 13
11
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