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PIN DESCRIPTIONS OF IC TEA5767HN
SYMBOL
NC1
CPOUT
VCOTANK1
VCOTANK2
VCCVCO
DGND
VDIG
DATA
CLOCK
NC2
WRITE/READ
BUSMODE
BUSENABLE
SWPORT1
SWPORT2
XTAL1
XTAL2
PHASEDET
PILDET
NC3
NC4
VAFL
VAFR
TMUTE
MPXOUT
VREF
TIFCENTER
LIMDEC1
LIMDEC2
NC5
NC6
IGAIN
AGND
VCC
RFIN1
RFGND
RFIN2
CAGC
LOOPSW
NC7
PIN
1
not connected
2
charge pump output of synthesizer PLL
3
VCO tuned circuit output 1
4
VCO tuned circuit output 2
5
VCO supply
6
digital ground
7
digital supply voltage
8
Bus data line input/output
9
Bus clock line input
10
not connected
2
11
I
C Bus enable input, connect to GND
12
Bus mode select input
13
Bus enable input
14
software programmable port1
15
software programmable port2
16
input1 crystal oscillator
17
input2 crystal oscillator
18
phase detector loop filter
19
pilot detector lowpass filter, switch for test mode
20
not connected
21
not connected
22
Left audio output
23
Right audio output
24
time constant for soft mute
25
FM demodulator MPX output
26
Reference vottage
27
time constant for IF center adjust
28
decoupling IF limiter1
29
decoupling IF limiter2
30
not connected
31
not connected
32
gain control current for IF filter
33
analog ground
34
analog supply voltage
35
RF input1
36
RF ground
37
RF input2
38
time constant RF AGC
39
Switch output of synthesizer PLL loopfilter
40
not connected
3 - 7
DESCRIPTION
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