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DLPA2000 Datenblatt(PDF) 55 Page - Texas Instruments

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Teilenummer DLPA2000
Bauteilbeschribung  DLPC3420 Display Controller
PDF  63 Pages
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Hersteller  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DLPA2000 Datenblatt(HTML) 55 Page - Texas Instruments

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Table 10-6. Signal Requirements
PARAMETER
REFERENCE
REQUIREMENT
Source series termination
DMD_LS_WDATA
Required
DMD_LS_CLK
Required
DMD_DEN_ARSTZ
Acceptable
DMD_LS_RDATA
Required
DMD_HS_WDATA_x_y
Not acceptable
DMD_HS_CLK_y
Not acceptable
Endpoint termination
DMD_LS_WDATA
Not acceptable
DMD_LS_CLK
Not acceptable
DMD_DEN_ARSTZ
Not acceptable
DMD_LS_RDATA
Not acceptable
DMD_HS_WDATA_x_y
Not acceptable
DMD_HS_CLK_y
Not acceptable
PCB impedance
DMD_LS_WDATA
68 Ω ±10%
DMD_LS_CLK
68 Ω ±10%
DMD_DEN_ARSTZ
68 Ω ±10%
DMD_LS_RDATA
68 Ω ±10%
DMD_HS_WDATA_x_y
100 Ω ±10%
DMD_HS_CLK_y
100 Ω ±10%
Signal type
DMD_LS_WDATA
SDR (single data rate) referenced to DMD_LS_DCLK
DMD_LS_CLK
SDR referenced to DMD_LS_DCLK
DMD_DEN_ARSTZ
SDR
DMD_LS_RDATA
SDR referenced to DMD_LS_DLCK
DMD_HS_WDATA_x_y
sub-LVDS
DMD_HS_CLK_y
sub-LVDS
10.1.6 Layer Changes
• Single-ended signals: Minimize the number of layer changes.
• Differential signals: Individual differential pairs can be routed on different layers. Ideally ensure that the
signals of a given pair do not change layers.
10.1.7 Stubs
• Avoid using stubs.
10.1.8 Terminations
• DMD_HS differential signals require no external termination resistors.
• Make sure the DMD_LS_CLK and DMD_LS_WDATA signal paths include a 43-Ω series termination resistor
located as close as possible to the corresponding controller pins.
• Make sure the DMD_LS_RDATA signal path includes a 43-Ω series termination resistor located as close as
possible to the corresponding DMD pin.
• The DMD_DEN_ARSTZ pin requires no series resistor.
www.ti.com
DLPC3420
DLPS232 – OCTOBER 2021
Copyright © 2021 Texas Instruments Incorporated
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