AS3658F-BCTP datasheet(121/158 Pages) AMSCO

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AS3658

Data Sheet Confidential - Deta il ed Descri ption - System Functi ons

10.2.2 Reset Control Bits

Table 125. Reset Timer Register

Addr:22

Reset Timer

These bits control the reset timer and XON enable register

Bit

Bit Name

Default

Access

Description

2:0

res_timer

ROM

R/W

Set RESTIME

000

RESTIME=10ms

001

RESTIME=20ms

010

RESTIME=35ms

011

RESTIME=50ms

100

RESTIME=65ms

101

RESTIME=80ms

110

RESTIME=95ms

111

RESTIME=110ms

xon_enable

ROM

R/W

This flag enables the XON pad and sets the power on

state of the ASIC

XON pad disabled. Startup of chip; if

VBAT>VRESETRISING

XON pad enabled. Startup of chip; if

VBAT>VRESETRISING and XON=0

Table 126. Reset Control Register

Addr:105

Reset Control

These bits control the power off mode and reset timer

Bit

Bit Name

Default

Access

Description

force_reset

R/W

Setting to ‘1’ starts a complete reset cycle

power_off

R/W

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

Reg_off state for a falling edge on the pin XON or until

the charger is detected

xon_input

R/W

Read:This flag represents the state of the XON pad

directly

Write: Setting to '1' resets the 5 sec. Onkey reset timer

AS3658F-BCTP Datasheet(PDF) 121 Page - ams AG

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