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參數(shù)資料
| 型號： | PCF8833U |
| 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)動程序 |
| 文件頁數(shù)： | 84/112頁 |
| 文件大?。?/td> | 469K |
| 代理商： | PCF8833U |
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2003 Feb 14
84
Philips Semiconductors
Objective specification
STN RGB - 132
×
132
×
3 driver
PCF8833
handbook, full pagewidth
MGU972
INTERFACE
INTERFACE
REGISTERS
e.g. SLA[2:0]
0
to temperature
compensation circuit
OTP CELL
EFD
default = 0
INTERFACE
SFD
default = 1
OTP DEFAULTS
e.g. SLA[2:0]
OR
1
Fig.56 Factory defaults.
15.3
Seal bit
The module maker programming is performed in the
Calibration mode. This mode is entered via a special
interface command (CALMM). To prevent erroneous
programming, a seal bit has been implemented which
prevents the device from entering Calibration mode. This
seal bit, once programmed, cannot be reversed, thus
further changes in programmed values are not possible.
Applying the programming voltage when not in CALMM
mode will have no effect on the programmed values.
Table 89
Seal bit definition
15.4
OTP architecture
An OTP cell is divided into a non-volatile programmable
instance containing the value and a register, where the
value is made accessible to the rest of the chip.
In the PCF8833 104 OTP cells are available for the
module maker. These cells are organised in a matrix of
7 rows and 15 columns, where the last row is only partially
used; see Table 90. All the rows of one particular column
of the matrix are filled in parallel by sending 1 byte of data
with the OTPSHTIN command. Byte 15 is sent first
(containing PVB[3:0], BRS and TRS) and byte 0 last
(containing MMVOP[5:0] or SEAL).
Bit 7 of every data byte is not used. An example sequence
on how to fill the matrix is given in Table 96.
The default value of the OTP cells is shown in Table 91.
These values may be changed by programming the OTP
cell. The programming of a cell will invert the default value.
This inversion may only happen once per cell, as the
programming is irreversible.
Table 93 shows an example on how to program the OTP
cells to receive the values given in Table 92. Some
examples are given below:
1.
The default for DFA[0] is 0; see Table 91, and it is
required to have DFA[0] = 1; see Table 92. This
means that the value needs to be inverted. Therefore
the OTP cell has to be programmed (a 1 in Table 93).
2.
The default for DFA[4] is 1; see Table 91, and it is
required to have DFA[4] = 0; see Table 92. This
means that the value needs to be inverted. Therefore
the OTP cell has to be programmed (a 1 in Table 93).
3.
The default for DFA[5] is 1; see Table 91, and it is
required to have DFA[5] = 1; see Table 92. This
means that it is not necessary to change the value.
Therefore it is not necessary to program the OTP cell
(a 0 in Table 93).
4.
The default for DFA[6] is 0; see Table 91, and it is
required to have DFA[6] = 0; see Table 92. This
means that it is not necessary to change the value.
Therefore it is not necessary to program the OTP cell
(a 0 in Table 93).
SEAL BIT
ACTION
0
1
Calibration mode enabled
Calibration mode disabled
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCF8881 | 132 x 132 RGB single chip TFT driver with DC-to-DC converter |
| PCI-ADC | MULTIFUNKTIONSKARTE 44 KANAL PCI BUS |
| PCI-DIO | KARTE E/A 32 KANAL PCI BUS |
| PCI-NT | TREIBER SOFTWARE FUER PCI E/A KARTEN |
| PCI-PIO | KARTE E/A 48 KANAL PCI BUS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| PCF8883 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Capacitive proximity switch with auto-calibration, large voltage operating range and very low power consumption |
| PCF8883_11 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Capacitive proximity switch with auto-calibration, large voltage operating |
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