參數(shù)資料
型號: S6B1713
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD
中文描述: 65的COM / 132賽格驅(qū)動
文件頁數(shù): 23/70頁
文件大?。?/td> 419K
代理商: S6B1713
S6B1713
65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD
19
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 12. 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 11.
SEG output
SEG
1
SEG
2
SEG
3
SEG
4
... ...
SEG
129
SEG
130
SEG
131
SEG
132
Column address [Y7:Y0]
00H
01H
02H
03H
... ...
80H
81H
82H
83H
Display data
1
0
1
0
1
1
0
0
LCD panel display
( ADC = 0 )
... ...
LCD panel display
( ADC = 1 )
... ...
Figure 11. 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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