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AS3820 数据表(PDF) 37 Page - Dialog Semiconductor

部件名 AS3820
功能描述  16-Channel White LED Controller for LCD Backlight
PDF  52 Pages
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制造商  DIALOG [Dialog Semiconductor]
网页  http://www.dialog-semiconductor.com/
标志 DIALOG - Dialog Semiconductor

AS3820 数据表(HTML) 37 Page - Dialog Semiconductor

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AS3820
16-Channel White LED Controller for LCD Backlight
Rev. 1.1
Datasheet
© 2019 Dialog Semiconductor
www.dialog-semiconductor.com
37 of 52
05-Feb-2019
Figure 8.17 : SPI Daisy Chain Structure
8.8.2 SPI Parallel Structure
All SPI slaves share the same input (SDI) output (SDO) and clock (SCLK) signal. Every single device can be
addressed via the chip select (xCS) signal. In this configuration every device has the “DevAddr = 0x01”.
Figure 8.18 : SPI Parallel Structure
Micro
Controller
Master
MOSI
SCLK
xCS
MISO
AS38xx
SCLK
SDI
xCS
SDO
AS38xx
SCLK
SDI
xCS
SDO
AS38xx
SCLK
SDI
xCS
SDO
Device #1
Device #2
Device #N
Micro
Controller
Master
MOSI
SCLK
xCS_1
MISO
AS38xx
SCLK
SDI
xCS
Device #1
AS38xx
SCLK
SDI
xCS
Device #2
AS38xx
SCLK
SDI
xCS
Device #N
xCS_2
xCS_N
SDO
SDO
SDO



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