參數(shù)資料
型號(hào)： PCF88331
廠商： NXP Semiconductors N.V.
英文描述： STN RGB - 132 X 132 X 3 driver
中文描述： 超扭曲的RGB - 132 × 132 × 3驅(qū)動(dòng)程序
文件頁(yè)數(shù)： 59/112頁(yè)
文件大?。?/td> 469K
代理商： PCF88331
2003 Feb 14
59
Philips Semiconductors
Objective specification
STN RGB - 132
×
132
×
3 driver
PCF8833
6.2.44
T
EMPERATURE READBACK
The PCF8833 has a built-in temperature readback
(RDTEMP) measurement device. The measured value is
provided as an 8-bit digital value TD[7:0] which can be
read back via the interface.
The temperature can be determined from TD[7:0] using
the following formula:
T
0.9375
TD
40
–
×
(
)°
C
=
(12)
Temperature measurements are started automatically
every ten seconds when the digital temperature
compensation is active (default).
A measurement can be initiated by sending the instruction
to set TCVOPE (to either logic 1 or logic 0), irrespective of
whether temperature compensation is disabled or not.
After initialization, the measurement will take
approximately 5 ms to complete. It is recommended to
read the register twice to qualify the returned result,
especially if the measurement is triggered automatically.
The input and output data format for the temperature
readback is given in Table 73.
Table 72
Temperature readback register bits
Table 73
Temperature readback data format
6.2.45
N-
LINE INVERSION
The N-line inversion (NLI) command inverts the row functions after N-line row time slots in order to avoid a DC
component on the LCD display. Thus, when N-line is set to 19DEC inversion of the row functions will occur after 76 rows.
With FINV = 1 (see Section 6.2.34) the super-frame inversion is active and the NLI counter always starts at super-frame
start.
When FINV = 0 a DC voltage may remain on the display depending on the NLI setting. When FINV = 0 and NLI = 0 there
is no inversion, which results in a DC voltage on the display.
Table 74
N-line inversion register bits
Table 75
N-line inversion
D/C
7
6
5
4
3
2
1
0
DEFAULT
0
1
1
0
1
1
0
0
0
C8H
SYMBOL
D/C
7
6
5
4
3
2
1
0
DEFAULT
(S)DIN
(S)DOUT
0
1
1
0
1
1
0
0
0
C8H
XX
TD[7]
TD[6]
TD[5]
TD[4]
TD[3]
TD[2]
TD[1]
TD[0]
D/C
7
6
5
4
3
2
1
0
DEFAULT
0
1
1
1
0
0
1
0
0
1
C9H
13H
NLI
7
NLI
6
NLI
5
NLI
4
NLI
3
NLI
2
NLI
1
NLI
0
NLI[7:0]
DESCRIPTION
0000 0000
0000 0001
0000 0010
:
no N-line inversion (super frame inversion)
inversion after 4 rows in full Display mode or 1 row in Partial mode
inversion after 8 rows in full Display mode or 2 rows in Partial mode
:
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF88332DA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:STN RGB - 132 X 132 X 3 driver
PCF8833U 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:STN RGB - 132 X 132 X 3 driver
PCF8833U/2DA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:STN RGB - 132 X 132 X 3 driver
PCF8881 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:132 x 132 RGB single chip TFT driver with DC-to-DC converter
PCF8881U/2DA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:132 x 132 RGB single chip TFT driver with DC-to-DC converter
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