Denon UCD-250 - MICROPROCESSOR PIN DESCRIPTIONS; μPD75517 GF (IC682) Pin Functions

eee
eee
a
ee
ee
eT
ee
a
aT
2
I
TI
RT
ID
I
OT
DO
a
I
ee
ES
ee
ae!
|)
>)
Be
CD PLAYER SECTION
P1330
P1320
P1310
PI300
P1236
PI220
PI21 60
P120 oO
AVSSO
AN7/ P1530
ANG/ P152 O
ANS/PI5! oO
AN4/PI50
ANS
AN2 O
ANI
37
u PD75517GF (C682)
OPI40
O PI4! O P142
Led
o
o
o
iS
eo
J
o
2
©
°
6S
—
Nn
is
nm
i
Ms
£
2
nt
tS
o
6
°
@o
ANO O
AV REFO
64
63
oO
vo0do
vov0o
PII3ZO
O X2 OX!
PLI2O
PIO
Ic
OxT2 OxTI
PIl0O
P1030 P1020
O VSS
PIOIO
O POO INT4
PI00O
OPO! SCKO
P9I30
O P02 $00 $B0 O P03 SIO SBI
O PIO/INTO O PIL INTI O PI2 INT2 OPI3 TIO
P920 P9810
P900
S11/P83 O
SO1/P B20
SCKI/P810
pPOTS5I7GF- XXX-3B9
O P20 PTOO
OP21
PPO/P800
KR7/P730
OP22 PCL
KR6 /PT2O
OP23 BUZ
KRS/P7IO
KR4/P700
O P3l
O P32
O P33
O P40
O P4i
O P42
O P43
Oo vss
O P50
O P51
O P52
O P53
O KRO/ P60
O KRO/P6!
O KR2/P62
OKR3/P63
@ Pin Description
Wo: [ae Fncon Nar
Function
P23/BUZ| PSVCDATA OUT | Data output for the servo control signal
and D and F.
[3 | vo | ds P22/PCL| PSVCXLT OUT
ES ee eee | ee 44 P21 PSVCCLK Clock output for the servo control signal
| 5 | p113 [| NC _| Open (Out) and D and F.
6 45 |P20/PTOO| PLASER OUT | Laser on/off control output
7 AUTO, OFF indication 46 | P13/T10 Servo condition detection signal input
8 PLAY indication 47 |P12/INT2| PGFS IN _| Rotation sync signal input from DSP
9 Reset signal for DSP 48 PSCOR IN _| Sub code syne signal input
P102 | POWER OFF OUT | Output for power on/off control | 49 |PLO/INTO| SERIAL SIG IN | Denon bus input
P101 | DIGITAL OFF OUT | Output for digital on/off control 50 Sub code data input
e i)
STANDBY OUT | Output for power on/off control
P91
[is | poo | Ppour [Test pin Open)
P83/SI1 NC Ground (In)
r
19
22 | P72/KR6 KS2 OUT
P63/KR3
[26 [pe2/KR2| KS6 OUT _| Key sean output
Key scan output
Key scan output
[30 | ps2 | Ks9 OUT _| Key sean output
[32 [ pso [G2 [Open uy
Pas vss [| roan cn
3a [P43] CD ON/OFF IN| Input for digit on/al ceatal
35 | p42 | AP.SELIN | Selects the auto power on/off function
| 36 | P41 Ground (In)
37 Ground (In)
38 P33 PLCDOFF OUT | INH for the LCD
39 P32 PLCDCE OUT | CE for the LCD
Open (Out)
13 P93 PINITIAL Test pin (Open) 52 |PO01/SCKO
14 P92 PEDIT Test pin (Open)
15 PSEARCH Test pin (Open) 54 VSS
20” [PS0/PPO so [x2
al
24 [PrO/KR4 83
No. |
42
PO2/S00 NC Open (Out)
2 PSQCK OUT Clock output for sub code reading
53 |POO/INT4| 50/60 IN 50 Hz/60 Hz input
Ground
XT1 NC
Nc
58 4 MHz Cell lock
4 MHz Cell lock
Reset signal input
P143
PFOK IN Focus OK signal input
Pi4l
64 P140 PSWPMD IN Pickup inner track position detection
66 | 132
67_ | P31
68 P130 SERIAL SIG OUT | Denon bus output
69 P123 PDFLATCH OUT | Latch output for D and F
70 P122 A. MUTE OUT | Audio muting output
PEMPHA OUT | Signal output with emphasis control
72 | P120 | PDIRC OUT
73 | AVSS NC
| 74 |AN7/P153| KRO IN
75 |AN6/P152| KR1 IN
76 KR2 IN
77 |AN4/P150, KR3 IN
78 | AN3 NC
Servo control signal output
Ground
Key return input
Key return input
~ ra no rar
Key return input
Key return input
Ground (In)
40 P31 G3
Open (Ot)
Ground (In)
Ground (In)
AN2 NC
ao [am [xe
73