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DLPC4430 データシート(PDF) 32 Page - Texas Instruments

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部品番号 DLPC4430
部品情報  DLPC4430 DLP짰 Display Controller
PDF  49 Pages
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI - Texas Instruments

DLPC4430 データシート(HTML) 32 Page - Texas Instruments

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CTRL
DLPA100
Controller
PMIC
CW Driver
1.8V
1.21V
3.3V
5V
DLPA100
Controller
PMIC
CW Driver
12V
12V
1.8V
1.21V
3.3V
5V
Wheel Motor #1
Wheel Motor #2
CW_INDEX1
CW_INDEX1
DLPC4430
Controller
TI DLP chipset
Third party component
SCP CTRL
DATA
2xLVDS
GPIO
Front End Device
Flash
(23)
(16)
ADDR
DATA
3D L/R
DLP DMD
1.8 V
3.3V
TPS65145 or
DLPA300
DMD PMIC
CTRL
(3)
3.3V
1.8V
1.15V
CTRL
FE CTRL
EEPROM
I2C
USB CTRL
CTRL
VBIAS
VOFFSET
VRESET
Figure 8-2. Typical LPCW Display Application
8.2.1 Design Requirements
The display controller is the digital interface between the DMD and the rest of the system. The display controller
takes digital input from front end digital receivers and drives the DMD over a high speed interface. The display
controller also generates the necessary signals (data, protocols, timings) required to display images on the
DMD. Some systems require a dual controller to format the incoming data before sending it to the DMD. Reliable
operation of the DMD is only insured when the DMD and the controller are used together in a system. In addition
to the DLP devices included in the chipset, other devices may be needed such as a flash part to store the
software and firmware.
8.2.1.1 Recommended MOSC Crystal Oscillator Configuration
Table 8-1. Crystal Port Characteristics
PARAMETER
NOMINAL
UNIT
MOSC TO GROUND Capacitance
1.5
pF
MOSCZ TO GROUND Capacitance
1.5
pF
Table 8-2. Recommended Crystal Configuration
PARAMETER
RECOMMENDED
UNIT
Crystal circuit configuration
Parallel resonant
Crystal type
Fundamental (1st Harmonic)
Crystal nominal frequency
20
MHz
Crystal frequency temperature stability
+/- 30
PPM
Overall crystal frequency tolerance (including
accuracy, stability, aging, and trim sensitivity)
+/- 100
PPM
Crystal Equivalent Series Resistor (ESR)
50 max
Ω
Crystal load
20
pF
Crystal shunt load
7 max
pF
RS drive resistor (nominal)
100
Ω
RFB feedback resistor (nominal)
1
MΩ
DLPC4430
DLPS223 – DECEMBER 2021
www.ti.com
32
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: DLPC4430



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