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LM3561 GUI

6 LM3561 GUI

Figure 6. LM3561.exe GUI

7 LM3561 Register Descriptions

Table 1. Enable Register Bit Settings

Bits[7:3] Bit 2 Bits [1:0]

Not Used (Strobe Level or Edge, STR bit) Enable Bits

N/A 0 = STROBE Input set for Level. Flash current turns on when Enable Bits

STROBE input is high and turns off when STROBE either goes 00 = Shutdown (default)

low or the Timeout Duration expires (default) 01 = Indicator Mode

10 = Torch Mode

1 = STROBE Input set for edge triggered. Flash current turns on

11 = Flash Mode (bits reset at timeout)

when STROBE sees a rising edge. Flash pulse turns off when

timeout duration expires

Table 2. Indicator Brightness Register Bit Settings

Bits [7:3] Bits [2:0]

Not Used Indicate Current Settings

N/A 000 = 2.25 mA (default)

001 = 4.5 mA

010 = 6.75 mA

011 = 9 mA

100 = 11.25 mA

101 = 13.5 mA

110 = 15.75 mA

111 = 18 mA

SNOU103–MAY 2013 AN-2252 LM3561 Evaluation Kit

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