AS3910 datasheet(35/47 Pages) AMSCO

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AS3910

Data Sheet - A p p l i c a t i o n I n f o r m a t i o n

8.11.8 Regulator Registers

Note:

At power up and after Set Default command, regulated voltage is set to maximum 3.4V.

Note:

Default setting is set at power up and after Set Default command.

Table 33. Regulators Display Register

Address # 15: Regulators Display Register

type: R

Bit

Name

Function

Comments

reg_3

MSB

This register displays actual regulated voltage when

regulator is operating.

In Power-down mode, its content is forced to 00. See

Table 35 for definition.

reg_2

reg_1

reg_0

LSB

Not used

Table 34. Regulated Voltage Definition Register

Address # 16: Regulated Voltage Definition Register

type: RW

Bit

Name

Def.

Function

Comments

reg_s

→ regulated voltages are defined by result of

Adjust regulators command

→ regulated voltages are defined by rege_x bits

written in this register

Defines mode of regulator voltage setting

rege_3

MSB

External definition of regulated voltage.

See Table 35 for definition.

rege _2

rege _1

rege _0

LSB

Not used

Table 35. Definition

reg_3

rege_3

reg_2

rege_2

reg_1

rege_1

reg_0

rege_0

Regulated voltage

[V]

3.4

3.3

3.2

3.1

3.0

2.9

2.8

2.7

2.6

2.5

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