IC DESCRIPTION
IC DESCRIPTION
IC251 SIPD75306
IC251 s2PD75306GF-225-3B9 (MICRO PROCESSOR)
PIN No.
SIGNAL NAME PORT NAME DESCRIPTION
1/0 CONNECT
1 SEG12 S12 Segment of Liquid Crystal oisplay
LCD
2
SEG13 S13 Segment of Liquid Crystal Oisplay
LCD
3
SEG14
S14
Seament of Liauld Crvstal DiscJav
LCD
IPIN No. I SIGNAL NAME ! pORT NAME I
DESCRIPTION
I 1/0 I CONNECT I
I 41 1s,
I P03/Sl/SBl I Data !. from Mat. Mkm Processor bP0751 12) I I I MAIN PCON I
I 42 INC
I P1OIINTO I Not Used (Gro.”d)
Ill Vss I
I 43 INC
I Pll /lNT1
I Not Used (Ground)
Ill
~ss I
44 NC
P12/lNT2 Not
Used (Ground)
I
Vss
4s NC
\
P13/TIO Not Used (Ground) I
Vss
46
WIDE
P2OIPTIOO Select Signal for AM Signal Type W,de (HIGH) I Narrow (LOW)
o
TUNER
47
S PCON P21
Tuner Power S,gnal (For 5 Series)
ACTIVE : HIGH LEVEL o
TuNER
48 MUTE
P22 / PCL Tuner Mute Signal
ACTIVE : HIGH LEVEL o
49
TUNER
BuSY P23/BUZ Busy Signal Out to Main M,cro Processor (pPD651 17)
o
MAIN ~CON
50 so P30 I LCDCL
Initial set fOr User = COuntrv [ODen or
Ground)
I
r d- I SEG15 1s15 I Semment of Lia.d Crvstal IXSDIW I
I LCD I
I 5 IsEG16
I S16 I Sew’nent of Licwld Crwtal
OistJaY I
I
LCD I
I 6 ISEG17 I S17 ! Sewnem of Liouid Crystal oisolw I
I LCD I
I 7 lsEG18 I S18 I Seame.t of Lia.id Crystal Display I
I LCD I
E
8
9
10
11
12
13
14
15
16
SEG19 S19 Segment of Liquid Crystal Display
LCO
S20
Se9ment of Liquid Crystal Display .
LCD
S21 Segment of Liquid Crystal Display
LCD
S22
Segment of Liquid Crystal Dkplay
LCD
S23
5egment of Liquid Crystal Display
LCD
S24 I BPO
Segment of Liquid Crytal Display
LCD
S25/BPl Segment of Liquid Crystal Oisp!ay
LCD
S26 I BP2 Segment of Liquid Crystal Display
LCD
S27 I BP3 Seament of Liouid Crvstal DKDlav
LCD
SEG20
SEG21
I 51 1s1 I P31 /SYNC
I Initial Set for User= Co”ntcv(Ow2n m Gm”.d)
Ill I
SEG22
I 52 1S2
I P32
I Initial Set for User= Co.ntrv (ODen or Gro.”d)
Ill I
SEG23
I S3 I S3 (FM MUTE) I P33
I Select Shred for FM Auto Mute SET (Ooen)/NOT(V..)
Ill I
SEG24
SEGZS
SEG26
I 54 I VDO I Vrm
I Power Supply + 5V
I I Vrm I
I SS INC I xT1 I Not used (Ground)
OSC X’tal Terminal for Main Clock
Ill Vss I
I S6 INC j xT2
I Not Used (Open)
OSC X’tal Terminal for Main Clock
!01 I
SEG27
I 57 INC
I NC I Non Cwmecticm
II I
I 17 I AUTO ]S281BP4
I Au;OT.”i”. jonal
ACTIVE : HIGH LEVEL I O I
TUNER
I
I 58 1X1
1-
I X%1 In (4.194304 MHz)
Ill I
I 18 iNC
IS291.BPS --– ! Not UsetiO.en)
101 OPENl
59 x2
1-
Xtal Out (4.194304 MHz)
I
o
I
I
I 19 INC
I S301BP6
! Not Used (Open)
IO IOPENI
60
S4(12H/24H) P60 / KRO Select Signal for CLOCK
24H (Open)/ 12H (V5J
I
61
S5 (AM IF)
P61 IKR1
Select Signal for AM IF
SET (Open) /NOT (VSS)
I
TUNER
62
S6 (O /S)
P62 I KR2
Select Signal for D & S Series
SET (Open) /NOT (V$$)
I
63 0 MONO P63 / KR3
Compulsion Monaural (For D Series) ACTIVE : HIGH LEVEL o
TuNER
64 DOO P70 / KR4 Data Signal from LM7001 (For O Series)
o
TUNER
6S
D CL P71 / KR5 Oata Signal from LM7001 (For D Series)
o
TUNER
66
D CE P72 / KR6 Data Signal from LM7001 (For O Series)
o
TUNER
67
D PCON P73 i KR7 Tuner Power Signal (For D Series)
ACTIVE : HIGH LEVEL o
TuNER
68 RESET
RESET System Reset Signal
RESET CIRCUIT
69 SEGO so
Segment of Liquid Crystal Dtsplay
LCD
70
SEG1
S1
se9ment of Liquid Crystal Display
LCD
71
SEG2
S2 Segment of Liquid Crystal Display
LCD
72
SEG3
S3 Seament of Liauid Crvstal
Dkolav
LCD
I 20 INC
I S31 IBP7
I Not used (Open)
IO IOPENI
I 21 ICOMO
I COMO I Common of Lia.id Cr@al Display
I
I LCD I
I 22 ICOM1
I COM1 I Common of Liquid Crystal
D@lay
I
I
LCD I
1
23
24
2s
26
27
ZB
29
30
31
32
33
34
3s
COM 2 COM2 Common of Liquid Crystal DIspIay
LCD
COM 3
COM3
Common of Liquid Crystal Display
LCD
BIAS BIAS Bias of Liquid Crystal Display
VLCO
‘LEO
Power Supply for Drwe of LiquidCrystal Oisplay
I
VLC1
Vtct
Power Supply for Drive of Liquid Crystal Oisplay
!
VLC2
STEP
ST
SD
NC
‘LC2
Power Supply for Orive of L!quid Crystal Dtsplay
P40 AM Step Select!on 9kHz (VDD) / 10kHz (VSJ
I TuNER
P41 ST Signal ACTIVE : LOW LEVEL
I TuNER
P42
SD Signal ACTIVE : LOW LEVEL
I TUNER
P43
Not Used (Ground)
I
Vss
I 73 I SEG4
I S4 I Seanwnt of Lia.id Crwtal Dimlav –1
I LCD I
Vss
%
Ground
SCE
P50 Oata Signal from LM7001 (For S Series)
o
TuNER
SCL P51
Oata Sianal from LM7001 (For S Series)
o
TuNER
I 74 \ SEGS
I S5 / Sewne”t
Of Liwid Crwtal DSDI.V 1
I LCD !
I 7s I SEG6
I S6
I Sewne”t of Lka.id Crwtal Dimlay I
I LCD I
I 76 I SEG7
I S7 I Segment of Lia.id Crystal
Display
I
I LCD I
i 36 ISDO i P52 i Data Sianal from LM7001 {For S Series) I O I TUNER i
I 77 I SEG8
I SB I Sewnent of Lhuid Crystal Disolay
I
I LCD I
37
S MONO PS3
Compulsion Monaural (For S Series) ACTIVE : HIGH LEVEL
o
TUNER
38 I NC
I Poo /m4
I Not Used (Ground)
I
I
v.,
I 78 I SEG9
I S9
I Seament of Lia.id Crystal Display
I
I LCD I
I 79 I SEG1O
I Slo I Segment of Liquid Crystal Oisplay
I
I LCD I
I 39 \ SCK
i PO! /SCK IClock Sianal In from Main Micro
Processor &PD651 17) I i I MAIN xCON I
I
80
SEG11
S11 Segment of Liquid Crystal Oisplay
i
I
LCD
I
-53-
1 40 INC
I P02/SO/SBO I Not Used (Ground)
II VSS I
.
–52-
.
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