NX-MD1R/NX-MD1
1-68
1. Terminal layout
2. Block Diagram
LA72723(IC3): RDS demodulation
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VREF
MPXIN
Vdda
Vssa
FLOUT
CIN
TES
XOUT
RDS-ID/READY
RDCL
RDDA
RST
MODE
Vddd
Vssd
XIN
REFERENCE
VOLTAGE
ANTI ALIASING
FILTER
SMOOTHING
FILTER
CLOCK
RECOVERY
(1187.5Hz)
DATA
DECODER
RAM
(128-bits)
RDS-ID
DETECT
57kHz
BPF
(SCF)
+
-
Vddd
Vdda
Vssa
MPXIN
Vssd
RDDA
RDCL
MODE
RST
RDS-ID/
READY
CLK(4.332MHz)
OSC
XIN
XOUT
TEST
TEST
FLOUT
VREF
VREF
CIN
PLL
(57kHz)
+5V
+5V