參數(shù)資料
型號(hào): KS0713
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Driver & Controller for STN LCD(STN LCD驅(qū)動(dòng)器和控制器)
中文描述: 驅(qū)動(dòng)程序
文件頁(yè)數(shù): 17/59頁(yè)
文件大小: 304K
代理商: KS0713
65COM/132SEG DRIVER & CONTROLLER FOR STN LCD
KS0713
17
COLUMN ADDRESS CIRCUIT
Column address circuit has a 8-bit preset counter that provides column address to the display data RAM (shown in
Table 7). When Set Column Address MSB / LSB instruction is issued, 8-bit [Y7:Y0] is updated. Since this address
is increased by 1 each time there is a Read or Write Data instruction, the microprocessor can access the display
data continuously. However, the counter is not increased and it is locked at a non-existing address above 84H. It is
unlocked if a column address is set again by Set Column Address MSB/LSB instruction. 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. Refer to the following Table 6.
Table 6. Segment Output Direction According to ADC
SEG Output
SEG
1
00H
1
SEG
2
01H
0
SEG
3
02H
1
SEG
4
03H
0
......
SEG
129
80H
1
SEG
130
81H
1
SEG
131
82H
0
SEG
132
83H
0
Column address [Y7:Y0]
Display data
LCD panel display
( ADC = 0 )
......
......
LCD panel display
(ADC = 1)
......
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