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AXP221 Datasheet(PDF) 46 Page - List of Unclassifed Manufacturers

No. de pieza AXP221
Descripción Electrónicos  PMIC Optimized For Multi-Core High-Performance System
PDF  52 Pages
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Fabricante Electrónico  ETC2 [List of Unclassifed Manufacturers]
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AXP221 Datasheet(HTML) 46 Page - List of Unclassifed Manufacturers

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AXP221
PMIC Optimized For Multi-Core High-Performance System
PAGE 46
Copyright © 2013 X-Powers Limited. All Rights Reserved.
Datasheet
Revision 1.2
Bit
描述
R/W
默认值
2
GPIO0 管脚功能设置 Bit 2
000: 输出低
001: 输出高
010: 通用输入功能
011: 打开低噪声 LDO 功能
100: 关闭低噪声 LDO 功能
101-111: 浮空
RW
1
1
GPIO0 管脚功能设置 Bit 1
RW
1
0
GPIO0 管脚功能设置 Bit 0
RW
1
10.2.45.REG91H:GPIO0 为 LDO 模式及输出高电平设置
默认值
:1FH
Bit
描述
R/W
默认值
7-5
保留，不可更改
4
GPIO0 LDO 输出电压设置 Bit4
0.7-3.3V,100mV/step
RW
0
3
GPIO0 LDO 输出电压设置 Bit3
RW
0
2
GPIO0 LDO 输出电压设置 Bit2
RW
0
1
GPIO0 LDO 输出电压设置 Bit1
RW
0
0
GPIO0 LDO 输出电压设置 Bit0
RW
0
10.2.46.REG92H:GPIO1 功能设置
默认值
:07H
Bit
描述
R/W
默认值
7
GPIO0 作为输入功能时，上升沿是否触发 IRQ 或者触发唤醒
0：不触发 1： 触发
RW
0
6
GPIO0 作为输入功能时，下降沿是否触发 IRQ 或者触发唤醒
0：不触发 1： 触发
RW
0
5-3
保留，不可更改
2
GPIO0 管脚功能设置 Bit 2
000: 输出低
001: 输出高
010: 通用输入功能
011: 打开低噪声 LDO 功能
100: 关闭低噪声 LDO 功能
101-111: 浮空
RW
1
1
GPIO0 管脚功能设置 Bit 1
RW
1
0
GPIO0 管脚功能设置 Bit 0
RW
1
10.2.47.REG93H:GPIO1 为 LDO 模式及输出高电平设置
默认值
:1FH
Bit
描述
R/W
默认值
7-5
保留，不可更改



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