1 structure of the thermal head (ltpf247) – Seiko Instruments LTP F Series User Manual
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3.5.1 Structure of the Thermal Head (LTPF247)
Figure 3-9 shows the thermal head block diagram for the LTPF247.
Table 3-7 shows the relationship between DST blocks and activated heat elements.
Figure 3-9 Thermal Head Block Diagram (LTPF247)
DAT IN2
CLK
LATCH
DST2
DAT OUT2
TH
TH
Vdd
GND
Output driver
Latch register
Shift register
Heat elements
Vp
DOT448
DOT193
DOT192
DOT
1
Thermistor
Block 2
Block 1
DAT IN1
DAT OUT1
*1
*1
N.C. if not using DAT OUT
DST1
*1