參數(shù)資料
型號(hào)： PCF8831
廠商： NXP Semiconductors N.V.
英文描述： STN RGB - 160 output row driver
中文描述： 超扭曲的RGB - 160輸出行驅(qū)動(dòng)器
文件頁(yè)數(shù)： 6/28頁(yè)
文件大小： 109K
代理商： PCF8831
2002 Aug 14
6
Philips Semiconductors
Preliminary specification
STN RGB - 160 output row driver
PCF8831
7
FUNCTIONAL DESCRIPTION
7.1
Row driver
The row driver comprises high voltage outputs, level
shifters and logic circuits.
The row driver power supplies are:
V
H
for the top level of selecting pulses
V
L
for the bottom level of selecting pulses
V
M
forthenon-selectinglevelwhenROWRES2 = HIGH;
the non-selecting level goes to V
SS
when
ROWRES2 = LOW (active)
V
MH
is an intermediate auxiliary supply
V
DD
and V
SS
for the logic circuits.
7.2
80-bit shift register
Two shift registers of 80 bits each are contained in the
PCF8831 row driver. With ROWRES1, the complete shift
register will be reset at the next rising edge of RCLK. The
two shift registers can be configured for different
applications by row control signals R1F, SW1 and SW2.
7.3
Row control
Row control signals SW1, SW2 and R1F control the shift
direction through the register and the order of the register
(see Fig.2). Some switching combinations require the
order of one or both shift registers to be swapped as
shown by the example in Fig.3. All row control
combinations are shown in Table 1, these can be software
controlled when connected to the corresponding row
control signals of the PCF8832 column driver.
ndbook, full pagewidth
MGW630
R0
SW1
SW2
R1F
R79
SW2
0
1
0
1
SHIFT DIRECTION
SHIFT DIRECTION
SW1
0
0
1
1
SHIFT REGISTER 1
LCD ROW OUTPUTS
R80
SW1
SW2
R1F
R159
SHIFT REGISTER 2
LCD ROW OUTPUTS
.....
.....
Fig.2 Shift directions; R1F = 1.
handbook, full pagewidth
MGW631
R79
SW1
SW2
R1F
R0
SHIFT REGISTER 1
LCD ROW OUTPUTS
R159
SW1
SW2
R1F
R80
SHIFT REGISTER 2
LCD ROW OUTPUTS
.....
.....
Fig.3 Row swapping; SW1 = SW2 = 1.
相關(guān)PDF資料
PDF描述
PCF8831U STN RGB - 160 output row driver
PCF8833 STN RGB - 132 X 132 X 3 driver
PCF88331 STN RGB - 132 X 132 X 3 driver
PCF88332DA STN RGB - 132 X 132 X 3 driver
PCF8833U STN RGB - 132 X 132 X 3 driver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF8831U 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:STN RGB - 160 output row driver
PCF8832 制造商:未知廠家 制造商全稱:未知廠家 功能描述:STN RGB - 384 output column driver
PCF8833 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:STN RGB - 132 X 132 X 3 driver
PCF88331 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:STN RGB - 132 X 132 X 3 driver
PCF88332DA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:STN RGB - 132 X 132 X 3 driver
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