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MEX-M72BT/N5300BT/N7300BD
Ver. 1.1
• IC Pin Function Description
MAIN BOARD IC101 MAX2172ETL+T (DAB RECEIVER)
Pin No.
Pin Name
1
VTUNE
2
VCC_LDO
3
LDO_BYPASS
4
VCC_LBAND
5
NC
6
LBAND_IN
7
GND
8
ADDR
9
VHF_IN
10, 11
IND1, IND2
12
AC_GND
13
GND
14
VCC_VHF
15
AC_GND
16
VCC_MIX
17
VCC_BB
18
GND
19
RFAGC
20
RSSI_DELAY
21
STBY
22
BBOUT–
23
BBOUT+
24
QDC+
25
QDC–
26
BBAGC
27
IDC+
28
IDC–
29
MUX
30
REF_OUT
31
VCC_XTAL
32
GND
33
XTAL
34
SCL
35
SDA
36
GND
37
VCC_SYN
38
GND
39
CPOUT
40
GND
57
I/O
I
High-impedance VCO tune input terminal
-
Power supply terminal (+3.3V)
-
LDO bypass terminal (External capacitor connection terminal)
-
Power supply terminal (+3.3V)
-
Not used
I
RF signal input terminal for L-band
-
Ground terminal
I
Device address setting terminal
I
RF signal input terminal for DAB
-
Filter inductor connection terminal
-
AC ground terminal (External capacitor connection terminal)
-
Ground terminal
-
Power supply terminal (+3.3V)
-
AC ground terminal (External capacitor connection terminal)
-
Power supply terminal (+3.3V)
-
Power supply terminal (+3.3V)
-
Ground terminal
I
Gain control input terminal (External capacitor connection terminal)
O
Relative signal strength inductor output terminal (External capacitor connection terminal)
I
Standby enable signal input from the DAB audio DSP
O
Audio signal (negative) output to the DAB audio DSP
O
Audio signal (positive) output to the DAB audio DSP
-
Q-channel DC offset bypass terminal for connect to the QDC– (pin 25)
-
Q-channel DC offset bypass terminal for connect to the QDC+ (pin 24)
I
Gain control signal input from the DAB audio DSP
-
I-channel DC offset bypass terminal for connect to the IDC– (pin 28)
-
I-channel DC offset bypass terminal for connect to the IDC+ (pin 27)
O
Multiplex output terminal
O
Reference clock output to the DAB audio DSP
-
Power supply terminal (+3.3V)
-
Ground terminal
I
System clock input terminal (24.576 MHz)
I
Serial data transfer clock signal input from the DAB audio DSP
I
Serial data input from the DAB audio DSP
-
Ground terminal
-
Power supply terminal (+3.3V)
-
Ground terminal
O
Charge pump output terminal for the VTUNE (pin 1)
-
Ground terminal
Description
Not used
Fixed at "L" in this unit
"L": standby
Not used
Sony CONFIDENTIAL
For Authorized Servicer
SYS SET
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