• IC Pin Function Description
MAIN BOARD IC2001 TEA5767HN (RECEIVER)
Pin No.
Pin Name
1
NC
2
CPOUT
3
VCOTANK1
4
VCATANTK2
5
VCC (VCO)
6
DGND
7
VCCD
8
DATA
9
CLOCK
10
NC
11
WRITE/READ
12
BUSMODE
13
BUSENABLE
14
SWPORT1
15
SWPORT2
16
XTAL1
17
XTAL2
18
PHASEFIL
19
PILFIL
20
NC
21
NC
22
VAFL
23
VAFR
24
TMUTE
25
MPXOUT
26
VREF
27
TIFC
28
LIMDEC1
29
LIMDEC2
30
NC
31
NC
32
IGAIN
33
AGND
34
VCCA
35
RFI1
36
RFGND
37
RFI2
38
TAGC
39
LOOPSW
40
NC
I/O
—
Not used
O
Charge pump output of the synthesiser PLL
O
VCO tuned circuit output 1
O
VCO tuned circuit output 2
—
VCO supply voltage
—
Ground terminal
—
Digital supply voltage
I/O
Bus data line input/output
I
Bus clock line input
—
Not used
O
Write/read control for the 3-Wire bus
I
Bus mode select input (Fixed at "H")
I
Bus enable input
—
Software programmable port 1 (Not used)
—
Software programmable port 2 (Not used)
—
Crystal oscillator input 1 (Not used)
I
Crystal oscillator input 2 (32 kHz)
—
Phase detector loop filter
—
Pilot detector lowpass filter
—
Not used
—
Not used
O
Audio left output
O
Audio right output
—
Time constant for the softmute
—
FM demodulator MPX out (Not used)
—
Reference voltage
—
Time constant for IF centre adjust
—
Decoupling IF limiter 1
—
Decoupling IF limiter 2
—
Not used
—
Not used
—
Gain control current for IF filter
—
Ground terminal
—
Analog supply voltage
—
RF input 1
—
Ground terminal
—
RF input 2
I
Time constant RF AGC
O
Switch output of synthesiser PLL filter
—
Not used
NW-A605/A607/A608
Description
25