
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
P50/A8
P51/A9
P52/A10
P53/A11
P54/A12
P55/A13
P56/A14
P57/A15
V
SS0
V
DD0
P30
P31
P32
P33
P34/SI3/T
X
D2
P35/SO3/R
X
D2
P71/TI010
P70/TI000/TO00
P03/INTP3/ADTRG
P02/INTP2
P01/INTP1
P00/INTP0
V
SS1
X1
X2
IC (V
PP
)
XT1
XT2
RESET
P80/SS1
AV
REF
P10/ANI0
P47/AD7
P46/AD6
P45/AD5
P44/AD4
P43/AD3
P42/AD2
P41/AD1
P40/AD0
P67/ASTB
P66/WAIT
P65/WR
P64/RD
P75/BUZ/TI001/TO01
P74/PCL/TI011
P73/TI51/TO51
P72/TI50/TO50
P36/SCK3/ASCK2
P20/SI1
P21/SO1
P22/SCK1
P23/RxD0
P24/TxD0
P25/ASCK0
V
DD1
AV
SS
P17/ANI7
P16/ANI6
P15/ANI5
P14/ANI4
P13/ANI3
P12/ANI2
P11/ANI1
PCL:
Programmable clock
RD:
Read strobe
RESET:
Reset
R
X
D0, R
X
D2:
Receive data
SCK1, SCK3:
Serial clock
SI1, SI3:
Serial input
SO1, SO3:
Serial output
SS1:
Serial interface chip select input
TI000, TI010, TI001,
TI011, TI50, TI51:
Timer input
TO00, TO01, TO50,
TO51:
Timer output
T
X
D0, T
X
D2:
Transmit data
V
DD0
, V
DD1
:
Power supply
V
PP
:
Programming power supply
V
SS0
, V
SS1
:
Ground
WAIT:
Wait
WR:
Write strobe
X1, X2:
Crystal (main system clock)
XT1, XT2:
Crystal (subsystem clock)
A8 to A15:
Address bus
AD0 to AD7:
Address/data bus
ADTRG:
AD trigger input
ANI0 to ANI7:
Analog input
ASCK0, ASCK2:
Asynchronous serial clock
ASTB:
Address strobe
AV
REF
:
Analog reference voltage
AV
SS
:
Analog ground
BUZ:
Buzzer clock
IC:
Internally connected
INTP0 to INTP3:
External interrupt input
P00 to P03:
Port 0
P10 to P17:
Port 1
P20 to P25:
Port 2
P30 to P36:
Port 3
P40 to P47:
Port 4
P50 to P57:
Port 5
P64 to P67:
Port 6
P70 to P75:
Port 7
P80:
Port 8
IC PIN CONFIGURATION - MICROCONTROLLER
uPD780078
IC BLOCK DIAGRAM - RDS/RBDS DEMODULATOR
SAA6581T
57 kHz
8th ORDER
BANDPASS FILTER
CLOCKED
COMPARATOR
RDS/RBDS
DEMODULATOR
SIGNAL QUALITY
DETECTOR
POWER
SUPPLY
AND RESET
TEST
CONTROL
OSCILLATOR
AND CLOCK
MPX
multiplex
input
C1
C6
330 pF
560 pF
4
VDDA
VSSA
Vref
+
5 V
+
5 V
C2
100 nF
C4
47 pF
C5
56 pF
C7
100 nF
C3
2.2
µ
F
5
6
VSSD
11
3
TCON
CIN
SCOUT
15
8
7
MODE
VDDD
9
OSCI
Q1
OSCO
QUAL
RDDA
RDCL
SYNC
13
14
12
16
10
2
1
MHB899
SAA6581T
PINNING
SYMBOL PIN
DESCRIPTION
QUAL
1
signal quality indication output
RDDA
2
RDS data output
V
ref
3
reference voltage output (
1
/
2
V
DDA
)
MPX
4
multiplex signal input
V
DDA
5
analog supply voltage (5 V)
V
SSA
6
analog ground (0 V)
CIN
7
comparator input
SCOUT
8
switched capacitor filter output
MODE
9
oscillator frequency select input
SYNC
10
ARI clamping control input
V
SSD
11
digital ground (0 V)
V
DDD
12
digital supply voltage (5 V)
OSCI
13
oscillator input
OSCO
14
oscillator output
TCON
15
test control input
RDCL
16
RDS clock output
MHB900
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
QUAL
RDDA
Vref
MPX
VDDA
VSSA
CIN
SCOUT
RDCL
TCON
OSCO
OSCI
VDDD
VSSD
SYNC
MODE
SAA6581T
Pin configuration.
IC PIN DESCRIPTION - RDS/RBDS DEMODULATOR
SAA6581T
6-3
6-3
Summary of Contents for MCD510/14
Page 24: ...LAYOUT DIAGRAM DISPLAY BOARD TOP SIDE 6 4 6 4 ...
Page 25: ...6 5 6 5 LAYOUT DIAGRAM DISPLAY BOARD BOTTOM SIDE ...
Page 26: ...6 6 6 6 CIRCUIT DIAGRAM DISPLAY BOARD ...
Page 37: ...LAYOUT DIAGRAM MAIN BOARD TOP SIDE 8 2 8 2 ...
Page 38: ...8 3 8 3 LAYOUT DIAGRAM MAIN BOARD BOTTOM SIDE ...
Page 42: ...LAYOUT DIAGRAM CASS BOARD TOP SIDE 9 2 9 2 LAYOUT DIAGRAM CASS BOARD BOTTOM SIDE ...
Page 46: ...10 3 10 3 CIRCUIT DIAGRAM MICROPHONE BOARD ONLY FOR 21M ...