301020013 datasheet(56/109 Pages) AMSOSRAM

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Table 28: Test multiplexer channels

Channel

Signal

Comment

0x00

VSS

Reset default

0x01

Vbg

Internal bandgap reference voltage

0x02

Bias_VRef

Bias reference of on chip CDS reference buffer

0x03

GND_RST_CVC

Anti-blooming reference voltage

0x04

PCAS_CDS

Internal reference voltage

0x05

NCAS_CDS

Internal reference voltage

0x06

VBias_CDS

Internal reference voltage

0x07

VBias_White_Clamp

Internal reference voltage

0x08

VThr

Threshold voltage for saturation detection

0x09

VBias_CVC

Internal reference voltage

0x0A

IRef

Current output (measure towards VSS) for internal bias

generation. The target value is 100 µA

0x0B

VBias_Comp_1

Internal reference voltage

0x0C

RST_CVC

Monitor of digital control signal RST_CVC

0x0D

VRST

Internal reference voltage

0x0E

Rmp

Internal reference voltage

0x0F

ADC_Reference

Reference voltage for ADC zero level. Can be overdriven.

Additional decoupling on this signal may improve noise

performance.

9.1.11

Read request register (Address 0x0F)

Table 29: Read request register

Address: 0x0F

Default value: 0x00

Access: Read/Write

Bit

Bit name

Default

Bit description

7:0

Address to Read

00000000b

Defines the register address to be read in a

read back operation over SPI interface.

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