參數(shù)資料
型號(hào)： S6A0090
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 64 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD
中文描述： 64賽格/ 26 COM驅(qū)動(dòng)程序
文件頁(yè)數(shù)： 23/54頁(yè)
文件大?。?/td> 549K
代理商： S6A0090
64 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD
S6A0090
19
LOW POWER CONSUMPTION MODE
S6A0090 provides with standby mode and sleep mode for saving power consumption during standby period.
Standby Mode (Power Save Bit ON, Oscillation Bit ON)
The Standby mode can be switched according to the power save command. In the Standby mode, only static icon
is displayed.
1. Liquid Crystal Display Output
COM1 to COM24, COMS1, COMS2: V
SS
level
SEG1 to SEG60, SEGS1, 2, 4, 5: V
SS
level
SEGSA, B, C, D, E, COMSA: V
DD
or V
SS
level (can be turned on/off by static drivers)
Use the static icon RAM for controlling the static icon display done with SEGSA, B, C, D, E, COMSA.
2. Written data in DDRAM, CGRAM, ICONRAM and registers remain at its previous value.
3. Operation mode is retained the same as it was prior to execution of the standby mode.
The internal circuit for the dynamic display output is stopped.
4. The oscillation circuit for the static display must remain ON.
Sleep Mode (Power Save ON, Oscillation OFF)
To enter the Sleep Mode, the power circuit and oscillation circuit should be turned off by power save command
and power control command. This mode helps to save power consumption by reducing current to reset level.
1. Liquid Crystal Display Output
COM1 to COM24, COMS1, COMS2: V
SS
level
SEG1 to SEG60, SEGS1, 2, 4, 5: V
SS
level
SEGSA, B, C, D, E, COMSA: V
SS
level
2. Written data in DDRAM, CGRAM, ICONRAM and registers remain at its previous value.
3. Operation mode is retained the same as it was prior to execution of the sleep mode.
All internal circuits are stopped.
4. Power Circuit and Oscillation Circuit
The built-in power supply circuit and oscillation circuit are turned off by power save command and power control
command.
LCD DRIVER CIRCUIT
LCD driver circuit has 26 common and 64 segment signals for driving LCD. Data from ICONRAM / CGRAM /
CGROM are transferred to 64-bit segment register serially, and then they are stored to 64-bit latch. For 2-line
display mode, COM1 to COM16, COMS1, COMS2 have 1/18 duty, and in 3-line mode, COM1 to COM24,
COMS1, COMS2 have 1/26 duty ratio. SEG bi-directional function is selected by BID input pin, and COM shift
direction is selected by function set instruction "S" bit.
Table 9. SEG Data Shift Direction
BID pin
SEG data shift direction
Low
SEGS1
→
SEGS2
→
SEG1
→
......
→
SEG60
→
SEGS4
→
SEGS5
High
SEGS5
→
SEGS4
→
SEG60
→
......
→
SEG1
→
SEGS2
→
SEGS1
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