Datasheet

© 2008 Microchip Technology Inc. DS21428E-page 21
TC500/A/510/514
FIGURE 9-3: TC510 To IBM
®
Compatible Printer Port.
PC
Printer
Port
PORT
0378
Hex
Input
+
+5V
10 k
10 k
100 k
100 k
1
μF
1 μF
121
2
2
3
3
4
16
15
CAP-
5
6
7
8
19
10
18
17
9
22
23
24
DGND
V
OUT
-V
DD
A
B
C
INT
C
AZ
BUF
ACOM
TC510
C
REF
+
V
IN
+
CAP+
CMPTR
0.22
μF
0.22 μF
0.01
μF
0.01 μF
1 μF
0.33 μF
MCP1525
C
REF
-
V
REF
+
V
REF
-
V
IN
-