Seiko Instruments LTP F Series - Manual (Page 54)

4-4
Table 4-3 Thermal Head Control Terminal Assignments (LTPF347)
Terminal
Number
Signal Name Input/Output Function
1 Vp  Head drive power
2 Vp  Head drive power
3 Vp  Head drive power
4 Vp  Head drive power
5 DAT OUT1 Output Print data output
6 DAT IN1 Input Print data input
7 GND  GND
8 GND  GND
9 GND  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