Sanyo DC-DA1200V - Page 14

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2 MODULUS
PRESCALER
4bit SWALLOW
COUNTER
POWER ON
RESET
TRI-STATE
BUFFER
TRI-STATE
BUFFER
OUTPUT PORT
ADDRESS
DECODER
OSC
CIRCUIT
PHASE
COMPARATOR
12bit PROGRAMMABLE COUNTER
20bit BINARY COUNTER
UNIVERSAL COUNTER CONTROL
REFERENCE COUNTER
24bit REGISTER
24bit SHIFT REGISTER
24bit REGISTER
MAX
1/ 2
UNLOCK
I/O PORT
TEST
GATE
AMP
AMP
AMP
OT-4
OT-4
OT-1 OT-3
OT-2 OT-4
RESET
PSC
MODE LFFM
HFFM
H
FM L
XT
1ms
1ms
OSC
4
8
24 22
10
5
5
4
4
15
12
4
DO1
I / O-5 / CLK
I / O-6
I / O-7 / SC
IN
DO2
(DO2 / OT-4)
I / O-9 / IF
IN2
(I / O-6 / IF IN2 )
I / O-8 / IF
IN1
(I / O-5 / IF IN1 )
GNDV
DD
FM IN
AM IN
XT
XT
DATA
CLOCK
PERIOD
IC222 TC9257F (Tuner PLL IC)
IC BLOCK DIAGRAM & DESCRIPTION
OUT c IN
OUT c IN
OUT c IN
OUT c IN
OUT c IN
OUT c IN
OUT c IN
OUT c IN
12
14
15
11
1
5
2
4
3
0X
1X
2X
3X
0Y
1Y
2Y
3Y
Y- C O MMON
13 X-COMMON
6
9
10
INH
B
A
16
V
DD
87
VSS VEE
LOGIC LEVEL CONVERTER
IC122 TC4052BF (Analog SW)