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IC BLOCK DIAGRAM & DESCRIPTION
IC105
MN150807PRD
No.
Name
lro
Function
1
AMIFM
I
IF counter input terminal for AMIFM station
IF
selection in DTS operation (FM = 10.7MHz
and fvlWILkVISW = 450kHz)
2
AVDD
-
Analog VDD
3
PKY
o
SUBQ CLK Pease connect this pinto
Alarm
NSBT(pin 39) of MN150807
4
P911
o
STRQIAGC
I-&
I
Buzzer
Output pin for Tracking Error signal.
5
P92
o
Power orJoff output; H: on
VDD
-
VDD(connect to +5V)
I
# –"
SEGICOM
o
Configure as 4COM X 21 SEG
Vss
-
VSS(Connect to ground)
?2
33-35
VLCD
I
VLCD input for LCD control
S8
VDD
-
VDD(Connect to +5V)
37
P&Y
I
Sterulby Key input
SIRQ
38-39
NSBW
I
Configure as shift buffer Innuit CD operation. It is
NSBT
used to read Q-code from MN66271 RA.
SOCK and SUBO are connected NSBT and NSBI ,
respectively.
a
RMIN(P60:
I
Remote control input.
41
ADIN3
I
AREA Code input DTS operation.
42
ADIN2
I
Synchro Rec.(CD modify)
43-44
ADINO -1
I
Key input.
Pls.refer to key functions for further details
45
Vss
-
Ground.
46-47
Xvxo
1/0 To be connect to 150KHz crystal or
ceramic oscillator. This will be used as
source clock for audio DTS operation.
48
VDD
-
VDD(Connect to +5V)
49
Oscl
I
Connect to SMCK of MN66271 RA for
4,2336MHz if input clock.Pls. make sure
MSEK of MN66271 RA is connected to GND.
53
0SC2
I
@n
51
Vss
-
Ground
9
IRST
I
Reset terminal
53
P52
I
OpetiClose for top loading or close sw detect
for front loading.
z
No.
Name
54
P51
E6
P50
56
P43
57
P42
58
P41
59
P40
a
P31
61
e
P13
63
P12
+=
64
PI 1
65
Plo
r%
Po3
67
F02
I
REST SW (CD module)
o
Volume Up. Active high
o
Volume Down. Active high
o
MLD (CD module)
o
M DATA (CD module)
o
M CLK ( CD module)
o
Tray closed
o
BAND O
0
BAND 1
E8
I
ml
O lAudio mute
B
m
I O lTray open
70
P73
I
Battery Input
71
P72
I
LSD Input
72
P71
I
Stereo/mono hvJut,Mono active low
73
I
P70
I
I
Power SW select H:mesh SW, L:tacf sw
74-75
P83-82
I O I Function select :
P63/P82 = OO,CD is selected
P83/P82 = 01 ,Tuner is selected
P83/P82 = 10,Tape is selected
P83/P82 = 11,AUX is selected
76
P81
o
CD RST (CD module)
77
P80
o
Stereolfvlono request olp
Stereo active low.
78
PDOI
o
Output terminal of phrase termmal and is
connected to the low pass filter of FM
79
PD02
o
Output terminal of phrase terminal and is
m
TEST
-
Connect to ground
81
AMLO
I
Input terminal of AM local oscillator
output(AM VCO include MW,LW and SW)
Q
AVSS
-
Analog ground
63
FMLO
I
FM local oscillator input
84
AVSS
-
Analog ground
5
IGND
I
7
Reset output
8
GND
9
Motor driver 2 input
10 PC2 (power cut) input
11 Motor driver 1 input
12 PC1 (power cut) input
-1
13 I power supply
1 for driver
14 IGND
1 for driver
15 I Motor
driver 1 reverse output
I
16
Motor driver 4 fotward
output
17
Motor driver 2 reverse
output
18
Motor driver 2 forward
output
19 ]Motor driver 3 reverse output
ZO I Motor driver 3 forward output
21 lMotor
driver 4 reverse
output
22 I Motor driver 4 forward
output
I
23 ]GND 2
for driver
24 lPower
supply 2 for driver
-13-
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