參數(shù)資料
型號(hào): HD667B66R
廠商: Hitachi,Ltd.
英文描述: 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors
中文描述: 132 × 176點(diǎn)圖形LCD控制器/驅(qū)動(dòng)器的65K色
文件頁數(shù): 25/97頁
文件大小: 681K
代理商: HD667B66R
HD66766R Rev. 1.0-1 / September 2002
25
Table 16 Operating clock frequency of the Booster 1 and 2
DC2
DC1
DC0
Operating clock frequency in
the booster 1
Operating clock frequency in the voltage
inverting circuit and the booster 2
0
0
0
32-divided clock
32-divided clock
0
0
1
64-divided clock
32-divided clock
0
1
0
32-divided clock
64-divided clock
0
1
1
64-divided clock
64-divided clock
1
0
0
32-divided clock
96-divided clock
1
0
1
64-divided clock
96-divided clock
1
1
0
32-divided clock
128-divided clock
1
1
1
64-divided clock
128-divided clock
Operation of voltage inverting circuit
Table 17
BT3
VCL output of the voltage inverting circuit
(Set VCL no lower than –22.0V.)
Halt boosting
Output voltage between VCH and VM by inverting
0
1
Set activation of voltage inverting circuit with output of the booster 2 stable. *See the Power-on/off
Sequence section.
DB 15 Contrast Control (R04h)
Figure 10 Contrast Control Instruction
CT6–0:
These bits control the LCD drive voltage to adjust 128-step contrast.
Table 18 Contrast control
CT6
CT5
CT4
CT3
CT2
CT1
CT0
Contrast
0
0
0
0
0
0
0
1.016R (Minimum)
0
0
0
0
0
0
1
1.008R
0
0
0
0
0
1
0
1.000R
0
0
0
0
0
1
1
0.992R
0
0
0
0
1
0
0
0.984R
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
1
1
1
1
1
1
0
0.008R
1
1
1
1
1
1
1
0.000R (Maximum)
R/W
RS
DB7
DB0
DB6
DB5
DB4 DB3
DB2
DB1
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
W
1
0
CT1 CT0
CT2
CT3
CT4
CT5
0
0
0
0
CT6
0
VR0
VR1
VR2
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