参数资料
型号: S6B0716
厂商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 33 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD
中文描述: 33的COM / 100赛格驱动
文件页数: 21/57页
文件大小: 816K
代理商: S6B0716
S6B0716
33COM/100SEG DRIVER & CONTROLLER FOR STN LCD
17
Column Address Circuit
Column Address circuit has a 8-bit preset counter that provides Column Address to the Display Data RAM as shown
in figure 8. When set Column Address MSB / LSB instruction is issued, 8-bit [Y7:Y0] is updated. And, since this
address is increased by 1 each a read or write data instruction, microprocessor can access the display data
continuously. However, the counter is not increased and locked if a non-existing address above 84H. It is unlocked
if a Column Address is set again by set Column Address MSB / LSB instruction. And the Column Address counter is
independent of page address register.
ADC Select instruction makes it possible to invert the relationship between the column address and the segment
outputs. It is necessary to rewrite the display data on built-in RAM after issuing ADC Select instruction. Refer to the
following figure 7.
SEG output
-
SEG
0
SEG
1
SEG
2
... ...
SEG
97
SEG
98
SEG
99
-
Column address [Y7:Y0]
00H~
0FH
×
10H
01H
02H
... ...
71H
72H
73H
74H~
83H
0
Display data
1
0
0
0
1
1
LCD panel display
( ADC = 0 )
Not
outputted
... ...
Not
outputted
LCD panel display
( ADC = 1 )
Not
outputted
... ...
Not
outputted
Figure 7. The Relationship between the Column Address and the Segment Outputs
Segment Control Circuit
This circuit controls the display data by the display ON / OFF, reverse display ON / OFF and entire display ON / OFF
instructions without changing the data in the display data RAM.
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