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PDF ( 数据手册 , 数据表 ) ATJ2279

零件编号 ATJ2279
描述 highly integrated SOC
制造商 Actions Semiconductor
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ATJ2279 数据手册, 描述, 功能
ATJ227X Datasheet
Latest Version: 1.0
2010-11-26







ATJ2279 pdf, 数据表
Revision History
Date
2010-11-26
ATJ227X DATASHEET
Revision
1.0
Description
New Release
Copyright Actions Semiconductor Co., Ltd. 2010. All Rights Reserved.
Version 1.0
Page 8







ATJ2279 equivalent, schematic
ATJ227X DATASHEET
2 System Control
2.1 Power Supply
It is very important to provide the adequate power and ground for high-speed digital and sensitive
analog circuit. To achieve good and stable quality, the power and ground pins are sepatated into
several groups.
Recommended Operating Condition
Supply Voltage
Min Typ Max Unit
BAT
3.4 3.8 4.2
V
DC5V/VBUS
4.5 5 5.2
V
VCC/SVCC/AVCC/PAVCC/
HAVCC/HDVCC/
2.8 3.1 3.4
V
VDDR
DDR1 2.2 2.4 2.6
DDR2 1.6 1.8 2.0
V
V
VDD/SVDD/AVDD
1.0 1.2 1.5
V
Note 1: According to different application, the VDD voltage can configure differently. For optimum
CPU perfomance, the VDD should be higher than 1.2V. For reducing the power consumption, the
VDD can supply with 1.0V.
2.2 Power Management Unit
ATJ227X only supports LI-ION battery mode. Power Management Unit consists of DC-DC converters,
linear regulators, LI-ION charger, two low resolution A/D converters and power saving control unit.
PIN of PMU:
z VDD DC-DC PIN: LX_VDD, PGND, VDD
z VDDR DC-DC PIN: LX_VDDR,PGND,VDDR
z High voltage regulator input and output PIN: DC5V, VCC
z Battery input/output PIN: BAT
z Line-in controller input PIN: REM_CON
z Light photo sensor input PIN:LPS_IN
z External power PIN: VCCOUT
z Analog power PIN: AVCCAVDD
Copyright Actions Semiconductor Co., Ltd. 2010. All Rights Reserved.
Version 1.0
Page 16










页数 30 页
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