Seiko LTP F Series Dokumentacja Pobierz pdf (Strona 36)

3-18

3.5.4 Structure of the Thermal Head (LTPF347)

Figure 3-11 shows the thermal head block diagram for the LTPF347.

Table 3-8 shows the relationship between DST blocks and activated heat elements.

Figure 3-11 Thermal Head Block Diagram (LTPF347)

DAT IN2

CLK

LATCH

DST2

DAT OUT2

Vdd

GND

Output driver

Latch register

Shift register

Heat elements

DOT640

DOT385

DOT384

DOT1

Thermistor

Block 2 Block 1

DAT IN1

DAT OUT1

N.C. if not using DAT OUT

DST1

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 85 86

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Seiko LTP F Series Dokumentacja Strona 36