Table 4-2 Thermal Head Control Terminal Assignments (LTPF247)

Terminal

Signal Name

Input/Output

Function

Number

 

 

 

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 instruction signal

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

4-3