UX-M3R
1-26
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
RFGND
FMRF IN
AM
MIX OUT
VCC
AMIF IN
FMIF IN
GND
AGC
QUAD
R OUT
L OUT
FMRF OUT
RF VCC
AMRF IN
FM OSC
AM OSC
OSC OUT
ST LED
IF REQ
DET OUT
MPX IN
LPF1
LPF2
TA2104AN (IC101) : 1chip AM/FM, MPX tuner system
1. Terminal layout
2. Pin function
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
XT
XT
PRD
CLK
DATA
N.C
TUNER
CD
AUX
ST MONO
FM VT
AM VT
B1
B0
IF
GND
FM OSC
AM OSC
VDD
EE
TC9257F (IC102) : PLL frequency synthesizer
1. Terminal layout
3. Block diagram
Function
1
2
3
4
5
6
7
8
9
10
11
12
RFGND
FMRF IN
AM
MIX OUT
VCC
AMIF IN
FMIF IN
GND
AGC
QUAD
R OUT
L OUT
Ground terminal for RF
Input of FMRF signal
AM low frequency cut
Output of FM/AM RF mix
Power supply terminal
Input of AMIF signal
Input of FMIF signal
Ground terminal
AGC voltage input terminal
OSC terminal for FM DET.
Output R-channel
Output L-channel
PIN
No.
Symbol
13
14
15
16
17
18
19
20
21
22
23
24
FM/AM switch
Stereo/monoral switch
Multiplex signal input
AM/FM detection output
IF out/REQ out
Stereo indicator output
PLL data bus for FM or AM
AM local oscillation circuit
FM local oscillation circuit
Input of AMRF signal
Power supply terminal for RF
Output of FMRF signal
LPF2
LPF1
MPX IN
DET OUT
IF REQ
ST LED
OSC OUT
AM OSC
FM OSC
AMRF IN
RF VCC
FMRF OUT
-
I
I
O
-
I
I
-
I
I
O
O
I/O
I
I
I
O
O
O
O
-
-
I
-
O
Symbol I/O
Function
PIN
No.
2. Pin function
1
2
3
4
5
6
7
8
9
10
XT
XT
PRD
CLK
DATA
N.C
TUNER
CD
AUX
ST MONO
Crystal oscillator pins
Crystal oscillator pins
Period signal input
Clock signal input
Serial data input/output
General-purpose output port
General-purpose output port
General-purpose output port
General-purpose output port
General-purpose I/O port
PIN
No.
Symbol
11
12
13
14
15
16
17
18
19
20
General-purpose I/O port
Power supply pin
Programmable counter input
Programmable counter input
Ground pin
General-purpose I/O port
General-purpose I/O port
General-purpose I/O port
Phase comparator output
Phase comparator output
EE
VDD
AM OSC
FM OSC
GND
IF
B0
B1
AM VT
FM VT
I
O
I
I
I/O
O
O
O
O
I/O
I/O
I/O
-
I
I
-
I/O
I/O
I/O
O
O
Symbol I/O
PIN
No.
Function
Function
3. Block diagram
14
FM OSC
FMH
HF
FML
PSC
13
AM OSC
2
XT
AMP
1/2
15
19
GND
AM VT
POWER ON
RESET
12
VDD
N.C
TUNER
CD
9
8
7
6
AUX
OT-4
OSC
CIRCUIT
ADDRESS
DECODER
TEST
1
XT
5
DATA
4
CLK
3
PRD
RESET
2 MODULUS
PRESCALER
4bit SWALLOW
COUNTER
PHASE
COMPARATOR
TRI-STATE
BUFFER
12bit PROGRAMMABLE COUNTER
REFERENCE COUNTER
24bit REGISTER
24bit REGISTER
20bit BINARY COUNTER
UNIVERSAL COUNTER CONTROL
OUTPUT PORT
24bit SHIFT REGISTER
MAX
UNLOCK
I/O PORT
1ms
FM
MODE LF
4
12
15
OSC
1ms
GATE
AMP
AMP
XT
OT4
4
4
4
4
10
24
22
5
5
20
FM VT
TRI-STATE
BUFFER
10
ST MONO
11
EE
16
IF
17
B0
18
B1
2
1
4
3
6
5
8
7
10
9
12
11
23
24
21
22
19
20
17
18
15
16
13
14
AM
MIX
AMIF
FMIF
AGC
MUTE
FM
OSC
FMRF
AM
OSC
ST
SW
IF
REQ
AF
BUFF
AF
IF
BUFF
FMRF
FMRF
LEVEL
DET
1/8
AM
DET
FM
DET
ST/MO
FM/AM
FM
MIX
VCD
DIVIDE
DECODE
FM
RF OUT
RF
VCC
AM
RF IN
FM
OSC
AM
OSC
OSC
OUT
ST
LED
IF
REQ
DET
OUT
LPF1
LPF2
RF
GND
FM
RF IN
AM
MIX
OUT
VCC
AM
IF IN
FM
IF IN
GND
AGC
R-OUT L-OUT
QUAD
MIX
IN
