- 2-8 -
2) PORT DESCRIPTION
PIN ASSIGN
NAME
I/0 ACT DESCRIPTION
1
XIN
I
-
4.5 MHz CRYSTAL INPUT
2
TEST2
-
-
MCU TEST Port.Must be connected to GND.
3
VREG
O
-
BYPASS-CONDENSER Connecting PORT.
4
VSSCPU
Voltage Supplied PORT.(4.5V ~ 5.5V)
5 NC
SI0/PG3
I/O
-
No
connection
6 NC
SO0/PG2
I/O
-
No
connection
7
PDTHSW
SCK0/PG1
I/O
-
Front Panel connecting Detection PORT.
Connection:LOW,/ Disconnection:HIGH
Will be ignored the Key data for 2sec after High
➞
Low.
8
PEJECTKEY
PG0
I/O
H
CDP Model Disc EJECT Key Input PORT.
Logic Deck Model Tape EJECT KEY Input PORT.
9
LCD SI
SI1/PF3
II/O
I
LCD &KEY DRIVER IC INTERFACE PORT.
10 LCD
DO
SO1/PF2
I/O O
11 LCD
CLK SCK1/PF1
I/O O
12 LCD
CE
PF0
I/O O
13
SQDT
SI2/PE3
I/O
I
SUBQ DATA INUT PIN.
14 PTEST
SO2/PE2
I/O -
TEST
PORT
15
SQCK
SCK2/PE1
I/O
O
SUBQ DATA SYNC CLOCK OUTPUT.
16
ISTAT
PE0
I/O
I
ISTAT INPUT PIN
17 LKFS
PD3
I/O -
18
W-LED
PD2
I/O
O
WARING LED Output Port on the Front Panel-Off.
250ms->HIGH and then 750ms
➞
LOW,repeatly
19
T-PLSUP
PD1/INT5
I/O
I
SEARCH(Right)ENCODER Switch Input PORT.
IOS1 7,1XXX IOS1 7,1000B IOS1 1,3H
20
E-PLSUP
PD0/INT4
I/O
I
VOLUME(Left)ENCODER Switch Input Port.IOS1 8,XX1X
21
CDSENSER
PC3
1/O
H
CDP DECK SENSER ON PORT.
22
CHUCK SW
PC2
I
CDP DISC Loading SW.LOW
➞
DISC IN,HIGH
➞
DISC OUT
23
S0
PC1
I
CDP DISC LOAD SW.LOW
➞
DISC OUT,HIGH
➞
DISC IN
24
S1
PC0
I
CDP DISC EJECT SW.LOW
➞
DISC OUT,HIGH
➞
DISC IN
25
XREST
PB3
O
-
CDP LSI RESET OUTPUT PORT.
26 NC
PB2
O -
27
MLT
PB1
O
-
CDP LSI CONTROL DATA LATCH OUTPUT PORT.
28
MDATA
PB0
O
CDP LSI CONTROL DATA OUTPUT PORT.
29
OPTION IN
PA3
I
-
OPTION DIODE MATRIX INPUT PORT.
30
OPTION IN
PA2
I
OPTION DIODE MATRIX INPUT PORT.
31
OPTION IN
PA1
I
OPTION DIODE MATRIX INPUT PORT.
32
OPTION IN
PA0
I
OPTION DIODE MATRIX INPUT PORT.
33
OPTION OUT
PT1
O
-
OPTION DIODE MATRX OUTPUT PORT.
34
OPTION OUT
PT0
O
OPTION DIODE MATRX OUTPUT PORT.
35
OPTION OUT
PS3
O
OPTION DIODE MATRX OUTPUT PORT.
36
OPTION OUT
PS2
O
OPTION DIODE MATRX OUTPUT PORT.
37
MCK
PS1
O
CDP LSI CONTROL DATA CLOCK OUTPUT PORT.
38
TRCNT
PS0
I
-
TRACK CONTROL INPUT PIN.
39
VDDPORT
-
-
Voltage Supplied POR.(4.5V ~ 5.5V)
40
VSSPORT
Voltage Supplied POR.(4.5V ~ 5.5V)
41
FOK
PR3
I
-
FOCUS STATE INPUT :"H"=FOCUS O.K
42
MEJECT
PR2
O
H
LOGIC DECK MAIN MOTOR CONROL PORT.
43
MLOAD
PR1
O
H
LOGIC DECK MAIN MOTOR CONROL PORT.
44
CDP ON
PR0
O
H
CDP DECK MAIN POWER ON/OFF PORT.
45
PANNEL
PQ3
I
H
DETACHABLE ON/OFF INPUT PORT.
CONTACT
➞
LOW SEPARATE
➞
HIGH.
46
ECE
PQ2
O
-
EVR IC INTERFACE PORT.
47
EDO
PQ1
O
EVR IC INTERFACE PORT.
48
ECLK
PQ0
O
EVR IC INTERFACE PORT.
49
POWER ON
PP3
O
H
POWER CONTROL PORT.
POWER OFF
➞
LOW,POWER ON
➞
HIGH
50
TAPE IN
PP2
I
H
TAPE INSERT DETECTION PORT.
Summary of Contents for TCH-800
Page 11: ... 2 7 INTERNAL BLOCK DIAGRAM of ICs IC201 LC723764 Micro processor IC 1 PORT ASSIGNMENT ...
Page 14: ... 2 10 IC301 LC75421M Electronic Volume controller IC PORT ASSIGNMENT ...
Page 15: ... 2 11 IC701 LD4104 LCD Driver IC Block Diagram Pin Diagram ...
Page 20: ... 2 16 ...
Page 24: ... 2 20 ...
Page 26: ... 2 22 MEMO ...
Page 27: ...2 23 2 24 BLOCK DIAGRAM ...
Page 28: ... MAIN SCHEMATIC DIAGRAM 2 25 2 26 ...
Page 29: ...2 27 2 28 CDP SCHEMATIC DIAGRAM ...
Page 31: ...2 31 3 32 3 MAIN PCB BOTTOM ...
Page 32: ...3 MAIN PCB TOP 2 33 3 34 ...
Page 33: ...2 35 2 36 4 CDP BOTTOM ...
Page 34: ...4 CDP TOP 2 37 2 38 ...
Page 36: ...MEMO MEMO ...