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Table 4-3 Thermal Head Control Terminal Assignments (LTPF347)
Terminal
Number
Signal Name Input/Output Function
1Vp Head drive power
2Vp Head drive power
3Vp Head drive power
4Vp Head drive power
5 DAT OUT1 Output Print data output
6 DAT IN1 Input Print data input
7GND GND
8GND GND
9GND GND
10 GND GND
11 GND GND
12 DST1 Input Head print activation instruction signal
13 CLK Input Print data transfer synchronize signal
14 LATCH Input Print data latch (memory)
15 Vdd Logic power supply (5V)
16 TH Output Thermister
17 TH Output Thermister
18 DST2 Input Head print activation
19 GND GND
20 GND GND
21 GND GND
22 GND GND
23 DAT OUT2 Output Print data output
24 DAT IN2 Input Print data input
25 Vp Head drive power
26 Vp Head drive power
27 Vp Head drive power
28 Vp Head drive power