AS3701 datasheet(75/110 Pages) AMSOSRAM

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[v1-11] 2016-Dec-14

AS3701 − Register Description

Figure 85:

ReferenceControl

Addr:35h

ReferenceControl

Bit

Bit Name

Default

Access

Bit Description

on_lpress_

delay

RW_SM

Sets the ON reset delay time

0 : 8s (if onkey_lpress_en=1)

1 : 4s (if onkey_lpress_en=1)

on_tast_sw

Selects mode of ON input

0 : ON key works as push-button

1 : ON key works as switch

onkey_lpress_

reset

RW_SM

Selects behavior for ONKEY longpress

0 : Long onkey press forces change to power_off mode

(if on_tast_sw=0 and onkey_lpress_en=1)

1 : Long onkey press forces a reset

(if on_tast_sw=0 and onkey_lpress_en=1)

standby_

mode_on

RW_SM

Setting to 1 sets the PMU into standby mode.

All regulators are disabled except those regulators

enabled by Reg_standby_mod.

XRES will be pulled to low. A normal startup of all

regulators will be done with any interrupt

(has to be enabled before entering standby mode).

3:2

clk_int

b00

R_PUSH

Sets the internal CLK frequency fCLK used for DCDCs,

PWM, ...

0 : 4 MHz (default)

1 : 3.8 MHz

2 : 3.6 MHz

3 : 3.4 MHz

All frequencies, timings and delays in this datasheet are

based on 4MHz clk_int

1:0

pwm_div

b00

This bit defines the divider ratio of the prescaler for the

PWM generator

0 : Divide by 1

1 : Divide by 2

2 : Divide by 4

3 : Divide by 16

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