参数资料
型号: AT73C209
厂商: Atmel
文件页数: 26/63页
文件大小: 0K
描述: IC PMAAC USB MP3 32QFN
标准包装: 260
应用: 手持/移动设备
电源电压: 2.4 V ~ 3 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-QFN
供应商设备封装: 32-QFN(7x7)
包装: 带卷 (TR)
8.5.19 DC/DC Output Voltage Control
Register Name:
Access Type:
Address:
Read/Write
DC_SEL_VOUT
Read/Write
0x20
7
6
5
4
3
2
1
0
RSRV1
RSRV2
RSRV3
DC_SEL_VOUT
RSRV4
RSRV5
RSRV6
Register (0x20): DC/DC Output Voltage Control
Bit
2:0
4:3
7:5
Name
RSRV<4:6>
DC_SEL_VOUT<4:3>
RSRV<1:3>
Description
Reserved Bits and Never Change value
DC/DC Output Voltage Control
Reserved Bits and Never Change value
Reset Value
Don’t Change
DC_SEL_VOUT = 00 (3.3V)
Don’t Change
? DC_SEL_VOUT
DC_SEL_VOUT<4:3>
00
01
10
11
Output Value
3.3 V
2.6 V
2.8 V
3.0 V
Notes:
1. Important: In the Register 0x20, only the Bits #4 and #3 can be modified. The others bits
should keep there initial values.
It’s important to apply the sequence as follows:
– Read The register 0x20
– Copy the values
– Only modify the bits #4 and #3 of DC_SEL_VOUT
– Write the register 0x20
2. It’s important to have an output voltage correlation between DC/DC output and VBOOST_LDO
output. The correlation should be as shown in Table 8-3 that follows:
26
AT73C209
6365A–PMAAC–12-Mar-08
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