Star Micronics PR921-24-A - Manual (Page 14)

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4.5.2 Example Circuit
Note: Parts marked with an asterisk are not mounted.
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1 -
HA1 7339
0.1U
2
1
3
7
6
10K
4.7K
4.7K
VR_4.7K
68K
VDD: 3.3V
10K
VDD: 3.3V
VDD: 3.3V
GND GND
GND
C
0R
0R
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14 -
HA1 7339
0.1U
2
1
3
9
8
10K
4.7K
4.7K
VR_4.7K
68K
VDD: 3.3V
10K
VDD: 3.3V
GND GND
GND
C
0R
R
+
2
3
12
-
HA1 7339
0.022U
0.1U
2
1
3
5
4
10K
4.7K
4.7K
4.7K
VR_4.7K
TA8428K
47U_35V
VM
VCC
68K
VDD: 3.3V
VDD: 3.3V
10K
VDD: 3.3V
10K
VDD: 3.3V
VDD: 3.3V
GND
GND
GND
M-GND
GND
M-GND
GND
VCC
M -
M +
GND
SIG 1
SIG 2
SIG 3
C
R
VDD: 3.3V
VDD: 3.3V
R
HS601
0R
HS601
B8B-PH-K-S
1
5
6
8
2
4
7
3
7
3
6
1
2
4
GND
IN1 OUT A
IN2 OUT B
PRM1
PRS0
PRS1
PRS2
PRS3
PRS1ADJ
PRS2ADJ
PRS3ADJ
PRM2
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