Ieee 1284 Parallel Interface Circuit Board Diagram - Casio UP-250 Technical Manual

IEEE 1284 Parallel Interface Circuit Board Diagram

R13
CN2
1
DK 1
2
DK S
3
PG
+5V
4
PG
5
+24V
6
+24V
7
PG
8
HOST_RTS
9
CTS
10
DET
11
RTS
12
CLKIN/DTR
13 R7
CLKREQ
14
SG
15
+5V
16
DK 2
17
DK G C3
18
DK P
19
PG
20
+24V
21
C11
+24V
22
PG
23
SG
24
SD
25
RD
26
(RES)
27
#25_RESET
28
DSR_RESET
29
#RESET
30
SG
CEN7..0
+5V
C14 C15
+5v
R14 R15
+5V
R16
U2
1 40
P31/RXD VCC
2 39
P32/SCLK P27/A15
3 38 1284ACT
P33/TXD P26/A14
4 37 CTS
P35/RD P25/A13
5 36 AFXT
P36/WR P24/A12
6 35
P37/TO1/WAIT P23/A11
7 34
P80/INT0 P22/A10
8 33 CEN_DIR
P81/INT1/TI2 P21/ A9
9 32 BS_CLR
NMI P20/ A8
10 31 LOGIC-H
EA P17/ A7
C10
11 30 RTS
CLK P16/ A6
CEN0 12 29 DK_STAT
P00/D0 P15/ A5
CEN1 13 28 ACK
P01/D1 P14/ A4
CEN2 14 27 S_BUSY
P02/D2 P13/ A3
CEN3 15 26 PE
P03/D3 P12/ A2
CEN4 16 25 SLCT
P04/D4 P11/ A1
CEN5 17 24 ERR
P05/D5 P10/ A0
CEN6 18 23
P06/D6 RESET
CEN7 19 22
P07/D7 X2
20 21
VSS X1
C90M00NB
X1
R10
C16
DD5V DD5V DD5V
U1 U9 U10
CU1 CU9 CU10
+5V
U1
2
1A1 1Y1
4
1A2 1Y2
6
1A3 1Y3
8
1A4 1Y4
11
2A1 2Y1
13
2A2 2Y2
15
2A3 2Y3
17
2A4 2Y4
U11D
12 1
1G
11 19
2G
13
U9
CEN0 2
Q0 D0
CEN1 5
Q1 D1
CEN2 6
Q2 D2
CEN3 9
Q3 D3
CEN4 12
Q4 D4
CEN5 15
Q5 D5
CEN6 16
Q6 D6
CEN7 19
Q7 D7
OC
G
+5V
+5V
R49
R45 R46 R39 R40 R42 R43
4
3
2
4
6
8
11
13
U5A 15
1 17
7
H_BUSY 2 1
19
+5V
U7
7
5 2
Q P D
R
1
CLK
3 C
Q L
U11C
6 8
U5B
6
3
5
U11B
4
6
5
DD5V +5V +5V
U11 U5 U7
CU11 CU5 CU7
— 146 —
DD5V
D1
RM12
18
16
14
5 6 7 8 8 7 6 5
12
9 RM11
7
5
3
4 3 2 1 1 2 3 4
RM2
4 5
3 3 6
4 2 7
7 1 8
8
13 1 8
14 2 7
17 3 6
18 4 5
1 RM1
11
R48
C19 C20 C21 C22
C26
C23 C24 C25
Q5
DD5V
R11
5 6
C18
2 1
R50
+5V
R51
Q4
R36
4 5 6
C17
3 2 1
R30
U10
18 R27
1A1 1Y1
16 R28
1A2 1Y2
14 R29
1A3 1Y3
12 R31
1A4 1Y4
R32
9
2A1 2Y1
7
2A2 2Y2
5
2A3 2Y3
3
2A4 2Y4
1G
DD5V
2G
C27 C28 C29 C30 C31
R54 R53 R52
+5V
9
R23
10
R24
R25
R26
U11A
+5V
1
3
2
R12
C32 C33
C5 C4
R2
CN1
1
-STB/HOSTCLK
2
DATA1
3
DATA2
4
DATA3
5
DATA4
6
DATA5
7
DATA6
8
DATA7
9
DATA8
10
-ACK/PTRCLK
11
BUSY/PTRBUSY/37
12
PE/ACKDATREQ/26
13
SLCT/XFLAG/15
14
-AFXT/HOSTBUSY
15
NC
16
GND
17
FG
18
LOGIC-H
19
GND
20
GND
21
GND
22
GND
23
GND
24
GND
25
GND
26
GND
27
GND
28
GND
29
GND
30
GND
31
-INIT
32
-ERR/-DTVAIL/04
33
GND
34
DK STATUS
35
+5V
36
-SELIN/1284ACT
0
SHELL