AS3701 datasheet(76/110 Pages) AMSOSRAM

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ams Datasheet

Page 75

[v1-11] 2016-Dec-14

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AS3701 − Register Description

Figure 86:

ResetControl

Addr:36h

ResetControl

Bit

Bit Name

Default

Access

Bit Description

7:4

reset_reason

b0000

RW_SM

Flags to indicate to the software the reason for the last

reset

0 : VPOR has been reached (battery or charger insertion

from scratch)

1 : ResVoltFall was reached (battery voltage drop below

2.75V)

2 : Software forced by force_reset

3 : Software forced by power_off and ON was pulled high

4 : Software forced by power_off and charger was

detected

5 : External triggered through the pin XRES

6 : Reset caused by overtemperature T140

7 : NA

8 : Reset caused by 4/8 seconds ON key press

9 : NA

10 : NA

11 : Reset caused by interrupt in standby mode

12 : Reset caused by ON pulled high in standby mode

onkey_lpress_

RW_SM

0 : ONKEY longpress feature disabled

1 : ONKEY longpress feature enabled

2on_input

R_PUSH

Read:This flag represents the state of the ON pad directly

Write: Setting to 1 resets the 4/8s. Onkey longpress timer

power_off

RW_SM

Setting to 1 starts a reset cycle, but waits after the Reg_off

state for a falling edge on

the pin ON or until the charger is detected

force_reset

Setting to 1 starts a complete reset cycle

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