AS7038RB datasheet(86/127 Pages) AMSOSRAM

Il numero della parte	AS7038RB

Spiegazioni elettronici	Biosensor Solution with Embedded ECG Channel

PDF	127 Pages

Scroll/Zoom	100%

Produttore elettronici	AMSOSRAM [ams-OSRAM AG]

Homepage	https://ams-osram.com/

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AS7038RB

Functional Description

Datasheet

• PUBLIC

DS000726

• v2-00 • 2021-Jun-02

126

│ 85

Addr: 0x82

EAF_DAC

Bit

Bit Name

Default

Access

Bit Description

measure_dac

If this bit is asserted, the DAC output is

connected to the gain stage input

(independent of gpio_gst_in selection,

therefore the DAC output is measurable on

the GPIO pin)

2:0

gpio_dac

DAC on GPIO

Setting

Meaning

No DAC biasing

DAC on GPIO0

DAC on GPIO1

DAC on GPIO2

DAC on GPIO3

DAC on ECG_REF

EAF_DAC1_L (Address 0x83)

Figure 109:

EAF_DAC1_L Register

Addr: 0x83

EAF_DAC1_L

Bit

Bit Name

Default

Access

Bit Description

7:6

dac1_value[1:0]

DAC value 1 (2LSB)

5:0

Not used

The EAF_DAC1/2_L/H registers is used to configure the dac value. See bit dac_mode for selection of

dac register 1 or 2

EAF_DAC1_H (Address 0x84)

Figure 110:

EAF_DAC1_H Register

Addr: 0x84

EAF_DAC1_H

Bit

Bit Name

Default

Access

Bit Description

7:0

dac1_value[9:2]

DAC value 1 (upper 8 bits)

10-bit value:

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