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Z8612900100ZCO Datasheet, PDF (23/25 Pages) Zilog, Inc. – One DB25 pin (M-F) cable for printer port connection
Line 21 Decoder Demo Board Kit
User Manual
18
P1
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
16
3
15
2
14
1
Printer DB25
D1 R24
1N4148 820
U9B
3
4
74LS05
INTRO C1-10
U9C
5
6
74LS05
R28
10K
8
9
U9D
74LS05
+5V
R25
10K
PCSDA
1
2
+5V
U9A
74LS05
R26
820
C1-1
C1-2
C1-3
C1-4
C1-10
EXT_RESET
+5V
SDA
SCK
GND
INTRO
EXT. RST
JP4
1
2
3
4
5
6
I2C Connector
C1-1
C1-8
+5V
C1-4
C1-3
GND
SCK
SEN
C1-2
SDA
JP5
1
2
3
4
5
6
7
8
9
10
Old 129 Bd Con
+5V
SMS
SDO
INTRO
DIR
SDA_IN
R27
D2
10K
1N4148
R63
R64
10K
LED1 330
R65
330
PCSCK
U9E
11
10
74LS05
R66
47K
C1-10
PB OUT
Q3
2N3904
PB LED
LED2
ON/OFF LED
C1-7
C1-9
C1-10
C1-5
C1-6
R29
4.7k
C1-3
PCSCK
+5V
+5V
R30
4.7K
JP6
3
2
C1-2
1
PCSDA
SCK_SEL
C1-1
JP7
3
2
1
SDA_SEL
+5V
-5V
C1-4
FOR PC I2C CONNECT:
JP6: 1-2
JP7: 1-2
: Default Jumper Setting
+5V
TP2
+
C18
10uF
C19
104P
U10
LM7805CT
3
OUT
1
IN
-5V
TP3
U11
LM7905CT
3 OUT
C22
33uF
C23
104P
IN 2
D3
C20
104P
1N4001
+ C21
1000uF
D4
1N4001
C24
104P
C25
470uF
SW2
POWER ON/OF SW
J7
9VAC/500mA
ZILOG, INC.
2 Venture Plaza, Suite 400, Irvine, CA 92618
Title
Z86230/229 Power Supply & PC Interface
Size
A
Document Number
230DB-3
Rev
1.13
Date: Sunday, August 08, 1999
Sheet
2
of
5
Schematics
Figure 12. Power Supply and PC Interface Schematic
Preliminary
UM015902-0803