PIN DESCRIPTION OF INTEGRATED CIRCUITS
TEA5767HN – LOW POWER FM-TUNER
Pin Name Direction Description
1 NC1 – no connection
2 CPOUT FM-tuner → charge pump output of synthesizer PLL
3 VCOTANK1 FM-tuner → voltage controlled oscillator tuned circuit output 1
4 VCOTANK2 FM-tuner → voltage controlled oscillator tuned circuit output 2
5 VCCVCO → FM-tuner voltage controlled oscillator supply voltage
6 DGND GND digital ground
7 VDIG → FM-tuner digital supply voltage
8 DATA µP ↔ FM-tuner bus data line input/output
9 CLOCK µP → FM-tuner bus clock line input
10 NC2 – no connection
11 WRITE/READ µP → FM-tuner write/read control input for the 3-wire bus
12 BUSMODE → FM-tuner bus mode select input
13 BUSENABLE → FM-tuner bus enable input
14 SWPORT1 → FM-tuner software programmable port 1
15 SWPORT2 → FM-tuner software programmable port 2
16 XTAL1 → FM-tuner crystal oscillator input 1
17 XTAL2 → FM-tuner crystal oscillator input 2
18 PHASEDET → FM-tuner phase detector loop filter
19 PILDET → FM-tuner pilot detector low-pass filter
20 NC3 – no connection
21 NC4 – no connection
22 VAFL FM-tuner → headphone amp. left audio frequency output voltage
23 VAFR FM-tuner → headphone amp. right audio frequency output voltage
24 TMUTE → FM-tuner time constant for soft mute
25 MPXOUT FM-tuner → FM demodulator MPX signal output
26 VREF → FM-tuner reference voltage
27 TIFCENTER → FM-tuner time constant for IF centre adjust
28 LIMDEC1 → FM-tuner decoupling IF limiter 1
29 LIMDEC2 → FM-tuner decoupling IF limiter 2
30 NC5 – no connection
31 NC6 – no connection
32 IGAIN → FM-tuner gain control current for IF filter
33 AGND GND analog ground
34 VCC → FM-tuner analog supply voltage
35 RFIN1 → FM-tuner RF input 1
36 RFGND GND RF ground
37 RFIN2 → FM-tuner RF input 2
38 CAGC → FM-tuner time constant RF AGC
39 LOOPSW FM-tuner → switch output of synthesizer PLL loop filter
40 NC7 – no connection
AN8399SA – HF-PREAMPLIFIER
Pin Name Direction Description
1PD → HF-preamp input for LD output monitoring PD signals
2LD → HF-preamp external TR drive pin for driving LD
3 VCC +HF (+2.6V) power supply
4 RFN → HF-preamp RF addition amp inverting input
5 RFOUT HF-preamp → RF addition amp output
6 RFIN → HF-preamp AGC amp input
7 LDRCTL → HF-preamp LD reference voltage control pin
8 CAGC → HF-preamp AGC loop filter connection pin
9 ARF HF-preamp → RF after AGC output
10 CEA → HF-preamp capacitor for 3T-ENV detection filter connection pin
11 3TOUT HF-preamp → 3T-ENV detection output
12 CBDO → HF-preamp capacitor for low-speed dark level BDO detection connection pin
13 BDO HF-preamp → BDO detection output
14 COFTR → HF-preamp capacitor for low-speed off-track detection connection pin
15 OFTR HF-preamp → off-track detection output
16 NRFDET HF-preamp → RF signal amplitude detection information output
17 GND GND ground pin
18 SLPSW → HF-preamp sleep mode control pin
19 VREF VREF reference voltage output (VCC / 2)
20 TEN → HF-preamp TE amp inverting input
21 TEOUT HF-preamp → track error output
22 FEN → HF-preamp FE amp inverting input
23 FEOUT HF-preamp → focus error output
24 GCTL → HF-preamp gain & APC control pin
25 FBAL → HF-preamp pin to input signal for controlling focus balance adjustment
26 TBAL → HF-preamp pin to input signal for controlling tracking balance adjustment
27 E → HF-preamp satellite diode signal input
28 F → HF-preamp satellite diode signal input
29 D → HF-preamp central diode signal input
30 B → HF-preamp central diode signal input
31 C → HF-preamp central diode signal input
32 A → HF-preamp central diode signal input
3-1
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