AS7000 datasheet(3/92 Pages) AMSCO

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ams Datasheet

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[v1-12] 2018-Feb-26

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AS7000 − Pin Assignments

Figure 3:

Optical Module Pinout (Top View) – AS7000-AA

Figure 4:

Pin Description

Optical Module Pinout:

This drawing is not to scale

Pin Number

Pin Name

Description

VD2

Supply voltage for LED D2 – connect unused current sinks to GND

VD4

Supply voltage for LED D4 – connect unused current sinks to GND

3SIGREF

Analog reference output. Connect 2.2

μF capacitor to GND

(e.g. 0402 sized capacitor GRM153R60J225ME95 from Murata – needs to

have >1

μF specified for 1.0V voltage bias); do not load externally

The typical operating voltage on this pin is 0.6V (sigref_en=1)

AGND

Analog ground. Connect to low noise GND

5V_LDO

1.9V output voltage. Connect 2.2

μF capacitor to GND

(e.g. 0402 sized capacitor GRM153R60J225ME95 from Murata – needs to

have >1

μF with 1.0V voltage bias); do not load externally

GPIO6

General purpose input/output

GPIO7

General purpose input/output

GPIO8

General purpose input/output

VDD

Supply voltage.

GND

Power supply ground. All voltages are referenced to GND.

Pin Assignments

1 VD2

2 VD4

3 SIGREF

4 AGND

5 V_LDO

6 GPIO6

7 GPIO7

8 GPIO8

9 VDD

GND 10

GPIO0 11

GPIO1 12

GPIO2 13

GPIO3 14

GPIO4 15

GPIO5 16

VD1 17

VD3 18

Sensor

VD1

VD2

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