T6K04
2001-03-13 8/30
●
Column driver circuit
Column driver circuit consists of
1
28 driver circuits. One of the four LCD driving level is selected by the
combination of M (internal signal) and the display data transferred from the latch circuit. Details of column
driver circuit are shown in Fig. 4.
Fig. 4
●
Row driver circuit
Row driver circuit consists of 64 drive circuits. One of the four LCD driving level is selected by the
combination of M (internal signal) and the data from the sift register. Details of row driver circuit are shown
in Fig. 5.
Fig. 5
●
DC
−
DC converter
The T6K04 has an on
−
chip DC
−
DC converter. The DC
−
DC converter generates ×2 (V
IN
× 2) level, ×3 (V
IN
×
3) level and ×4 (V
IN
× 4) level. See Fig. 6
When STB = L, V
OUT
1
, V
OUT2
and V
OUT3
= 0 (V).
Recommended value of the capacitance is
1
.0 µF.
