Table of Contents
Advertisement
QQ
3 7 63 1515 0
IC601 TDA7427AD1
LP FM
1
LP HC
2
LP AM
3
V REF
4
LCL/DX
5
SEEK
6
NIL
7
MONO
8
OSCIN
9
OSCOUT
10
NC
11
SCL
2
12
I
C BUS
INTERFACE
SDA
13
TE
L 13942296513
IF AM
14
IC803 BA8270F-E2
BUS ON
1
RST
2
BATT
3
CLK
4
VREF
5
DATA
6
GND
7
www
.
http://www.xiaoyu163.com
SWITCH
CHARGE
LP1/LP2
PUMP
TEST
LOGIC
PORT
EXTENSION
REF
16 BIT PROG
OSCILLATOR
COUNTER
14 BIT PROG
TIMER
CONTROL
COUNTER
SWITCH
11-21 BIT PROG COUNTER
AM/FM
BUS ON
VCC
14
SWITCH
RESET
13
RST
SWITCH
BUS ON
12
11
CLK IN
BATTERY
10
BU IN
SWITCH
DATA IN
9
8
DATA OUT
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
PHASE
11 BIT PROG
COMP
COUNTER
SWITCH
SWM/DIR
INLOCK
6 BIT PROG
DETECTOR
COUNTER
Q Q
3
6 7
1 3
1 5
IC901 BA4903
5.7V
ON
–
1
AMP
ON
co
.
– 51 –
9 4
2 8
VDD1
SWITCH
SWM/DIR
SWITCH
AM/FM
PRE COUNTER
:32/33
SUPPLY
&
POWER ON
RESET
SWITCH
OUT
0 5
8
2 9
9 4
ON
+
+
–
REGULATOR
VREF
THERMAL
SHUT
DOWN
OVER
VOLTAGE
PROTECT
CIRCUIT ON
2
3
4
5
AMP
GND
VCC
VDD
OUT
OUT
m
9 9
28
LPOUT
27
VDD2
26
GND AM
AM IN
25
24
FM IN
23
NC
22
GND D
21
VDD1
20
ADDR
19
HFREF
18
AMOSC
17
DOUT/INLOCK
2 8
9 9
16
SSTOP
15
IF FM
Advertisement
Table of Contents
