AXP202 datasheet(43/48 Pages) ETC2

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Single Cell Li-Battery PWM Charger and Power System Management IC

AXP202

GPIO0 pin function setting Bit 2-0

000: output low

001: output high（3.3V）

010: general input function

011: low noise LDO5

100:ADC input

1XX: floating

REG 91H: LDO5 Output Voltage and EXTEN/GPIO Output High Level Setting

Default Value: A5H

Bit

Description

R/W

Default

Value

7-4

LDO5 output voltage setting

Vout=[1.8 +( Bit7-4）*0.1]V； defalt=1.8+10*0.1=2.8V

1010

Reserved and unchangeable

2-0

EXTEN and GPIO[1:0] output high level setting

000:1.8V;001:2.5V;010:2.8V;011:3.0V;100:3.1V;101:3.3V;110:3.4V;111:3.5

101

REG 92H: GPIO1 Function Setting

Default Value: 07H

Bit

Description

R/W

Default

Value

GPIO1 rising edge IRQ or Wakeup

function

GPIO1 rising edge IRQ or Wakeup

function

0：disable

1：enable

5-3

Reserved and unchangeable

2-0

GPIO1 pin function setting

000: output low

001: output high（3.3V）

010: general input function

011: low noise LDO

100:ADC input

1XX: floating

111

REG 93H:GPIO2 Function Setting

Default Value: 07H

AXP202 Datasheet(PDF) 43 Page - List of Unclassifed Manufacturers

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