Table of Contents
Advertisement
IC BLOCK DIAGRAM & DESCRIPTION
IC101 TA8132(AM/FM IF+MPX)
IC203 BU1923(RDS/RBDS Decoder)
IC402 TC9422F(Volume Control)
GND
1
INPUT
SELECTOR
100k
L-IN1
2
3
L-IN2
L-IN3
4
GAIN CONTROL
0, 6, 12, 18dB
L-IN4
5
L-SW-OUT
6
MAIN VR
50k / 64STEP
L-VR-IN
7
L-B1
8
50k
L-B2
9
10
L-B3
CAPACITOR FOR
OSCILLATION
BASS VR
50k /
L-Tone-OUT
11
16STEP
500
13k
TREBLE VR
50k /
16STEP
12
L-T1
750
50k
50k
13
Vref
CK
V
DD
28
INPUT
SELECTOR
100k
27
26
25
GAIN CONTROL
0, 6, 12, 18dB
24
23
MAIN VR
50k / 64STEP
22
21
50k
20
19
CAPACITOR FOR
OSCILLATION
BASS VR
50k /
16STEP
18
13k
500
TREBLE VR
50k /
16STEP
17
750
32BIT SR
14
15
16
DATA
STB
IC201 TMP87EP26(Micom)
Common output
VDD
VSS
VLC
BOOT
RESET
System Controller
TEST
Standby Controller
Timing Generator
XIN
High frequ.
Clock
XOUT
Generator
Low frequ.
8bit
AD converter
P2
IC301 TC9257F(TUNER PLL)
TC9256P, TC9256F
XT
XT
PERIOD
CLOCK
DATA
OT-1
OT-2
OT-3
DIP-16PIN / SOP-16PIN
FM
L
AMP
2 MODULUS
FM
1/ 2
IN
PRESCALER
FM
HF
H
AM
IN
FM
XT
OSC
CIRCUIT
XT
1ms
DATA
CLOCK
PERIOD
R-IN1
R-IN2
OUTPUT PORT
R-IN3
OT-1
(Note)
Mark terminals are not existence in TC9256P, TC9256F.
R-IN4
Terminal name of TC9256P, TC9256F is shown in parentheses.
Others are common terminals.
R-SW-OUT
R-VR-IN
R-B1
R-B2
R-B3
R-Tone-OUT
R-T1
- 9 -
Segment output
LOD Driver
Oata Memory
PSW
Stack Pointer
(RAM)
Flags
RBS
ALU
Register banks
Interrupt Controller
16-bit
8-bit
Time Base
Tiner/Counter
Tiner/Counter
Timer
TC1
TC2
TC3
TC5
Watchdog
Timer
P5
P0
P4
P3
I/O ports
TC9257P, TC9257F
1
16
DO2/OT-4
XT
1
2
15
DO1
XT
2
3
14
I/O-5/IF
IN1
PERIOD
3
4
13
I/O-6/IF
CLOCK
4
IN2
5
12
GND
DATA
5
6
11
FM
OT-1
6
IN
7
10
AM
OT-2
7
IN
8
9
V
OT-3
8
DD
OT-4
9
Top View
I/O-5/CLK
10
Top View
DIP-20PIN / SOP-20PIN
V
DD
PSC
4bit SWALLOW
POWER ON
COUNTER
RESET
RESET
12bit PROGRAMMABLE COUNTER
MODE LF
12
4
REFERENCE COUNTER
MAX
15
OSC
4
UNLOCK
24bit REGISTER
24bit SHIFT REGISTER
8
TEST
5
ADDRESS
24
22
DECODER
10
24bit REGISTER
4
4
20bit BINARY COUNTER
UNIVERSAL COUNTER CONTROL
OT-4
XT
1ms
OT-3
OT-2
OT-4
I/O ports (Segment output)
P6
P7
P8
P9
Data Memory
Program
(EEPROM)
Counter
Program Memory
MROM
EEPROM
BOOT
Serial
Interfaces
SIO1 SIO2
Inst. Register
Inst. Decoder
P4
PD
20
DO2
19
DO1
18
I/O-7/SC
IN
17
I/O-8/IF
IN1
16
I/O-9/IF
IN2
15
GND
14
FM
IN
13
AM
IN
12
V
DD
11
I/O-6
GND
TRI-STATE
DO1
BUFFER
TRI-STATE
DO2
BUFFER
(DO2 / OT-4)
OT-4
I / O-5 / CLK
5
I / O-6
I / O-9 / IF
IN2
(I / O-6 / IF
IN2
)
AMP
I / O-8 / IF
IN1
(I / O-5 / IF
)
IN1
AMP
GATE
I / O-7 / SC
IN
Hide quick links:
Advertisement
Table of Contents
