AN4374 datasheet(5/25 Pages) STMICROELECTRONICS

Part #	AN4374

Description	The LED1642GW and ALED1642GW start-up guide

PDF	25 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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5 / 25 page

DocID025366 Rev 2

5/25

AN4374

First LED power-on

brightness pattern (seeTable 1 and Figure 3 and Figure 4).

Figure 3. Digital key summary chart-data latch

Table 1. Digital key summary-data latch

Number

#CLK rising edge when the LE is 1

Command description

11-2

Write switch (to turn on/off output

channels)

3-4

Brightness data latch

5-6

Brightness global latch

Write configuration register

Read configuration register

Start open error detection mode

Start short error detection mode

Start combined error detection mode

End error detection mode

Thermal error reading

Reserved

CLK

Write Switch

Data Latch

Global Latch

Write CR

Read CR

Start Open Error Detection

Start Short Error Detection

Start Combined Detection

End Error Detection

Thermal Error Reading

AM16852v1

AN4374 Datasheet(PDF) 5 Page - STMicroelectronics