AS3687 datasheet(23/55 Pages) AMSCO

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AS3687/87XM

Datasheet

www.austriamicrosystems.com/AS3687

1v3-4

22 - 54

Addr: 12h

Curr3 control1

This register select the modes of the current sinks30..33 current.

Bit

Bit Name

Default

Access Description

2:1

preview_ctrl

00b

R/W

Preview is triggered by

00 = off

01 = software trigger (setting this bit automatically triggers preview)

Addr: 11h

Curr3 strobe control

This register select the modes of the current sinks30..33 current.

Bit

Bit Name

Default

Access

Description

1:0

strobe_ctrl

00b

R/W

Strobe is triggered by

00b = off

01b = software trigger (setting this bit automatically triggers strobe)

3:2

strobe_mode

00b

R/W

Selects strobe mode

00b = Mode1 (Tstrobe=Ts; strobe trigger signal >= 10

μs)

01b = Mode 2 (Tstrobe=max Ts)

10b = Mode 3 (Tstrobe = strobe signal)

11b = not used

7:4

strobe_timing

0000b

R/W

Selects strobe time (Ts)

0000b = 100 msec

0001b = 200 msec

0010b = 300 msec

0011b = 400 msec

0100b = 500 msec

0101b = 600 msec

0110b = 700 msec

0111b = 800 msec

1000b = 900 msec

1001b = 1000 msec

1010b = 1100 msec

1011b = 1200 msec

1100b = 1300 msec

1101b = 1400 msec

1110b = 1500 msec

1111b = 1600 msec

Addr: 0Eh

Curr3x strobe

This register select the strobe current of the current sinks30..33

Bit

Bit Name

Default

Access

Description

5:0

curr3x_strobe

R/W

Defines Strobe current of Current sinks curr30-33

00h = 0 mA

01h = 0.6 mA

...

3Fh = 37.8 mA

Addr: 0Fh

Curr3x preview

This register select the preview current of the current sinks30..33

Bit

Bit Name

Default

Access

Description

5:0

curr3x_preview

R/W

Defines Preview current of Current sinks curr30-33

00h = 0 mA

01h = 0.6 mA

...

3Fh = 37.8 mA

AS3687 Datasheet(PDF) 23 Page - ams AG

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