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AD1981B PDF预览

AD1981B

更新时间: 2024-02-05 02:23:21
品牌 Logo 应用领域
亚德诺 - ADI 解码器编解码器
页数 文件大小 规格书
28页 270K
描述
AC ’97 SoundMAX Codec

AD1981B 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LFQFP, QFP48,.35SQ,20针数:48
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.6
其他特性:IT CAN REQUIRES 2.97V TO 3.63V SUPPLY商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:S-PQFP-G48JESD-609代码:e3
长度:7 mm湿度敏感等级:3
功能数量:1端子数量:48
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装等效代码:QFP48,.35SQ,20封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度(摄氏度):260
电源:3.3,5 V认证状态:Not Qualified
座面最大高度:1.6 mm子类别:Other Consumer ICs
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:40宽度:7 mm
Base Number Matches:1

AD1981B 数据手册

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AD1981B  
Jack Sense/Audio Interrupt/Status Register (Index 72h)  
Reg  
No. Name  
D15 D14 D13 D12  
JS  
D11  
D10  
D9  
D8  
D7  
D6  
D5  
D4  
D3  
D2  
D1  
JS1  
D0  
Default  
0000h  
72h Jack Sense  
X
X
X
JS  
JS  
JS1  
JS0  
JS1  
JS0  
JS1  
JS0  
MD  
JS1  
ST  
JS0  
ST  
JS0  
MT2 MT1 MT0 EQB EQB TMR TMR MD  
INT INT  
All register bits are read/write except for JS0ST and JS1ST, which are read only. All registers not shown and bits containing an X are assumed to be reserved.  
JS0INT  
Indicates Pin JS0 Has Generated an Interrupt. Remains set until the software services JS0 interrupt, i.e., JS0 ISR  
should clear this bit by writing a 0 to it. Note that the interrupt to the system is actually an OR combination of  
this bit and JS1INT. Also note that the actual interrupt implementation is selected by the INTS bit (Register 76h).  
It is also possible to generate a software system interrupt by writing a 1 to this bit.  
JS1INT  
Indicates Pin JS1 Has Generated an Interrupt. Remains set until the software services JS1 interrupt, i.e., JS1 ISR  
should clear this bit by writing a 0 to it. See JS0INT description for additional details.  
JS0ST  
JS1ST  
JS0MD  
JS0 State. This bit always reports the logic state of JS0 pin.  
JS1 State. This bit always reports the logic state of JS1 pin.  
JS0 Mode. This bit selects the operation mode for the JS0 pin.  
0 = Jack Sense mode (default).  
1 = Interrupt mode.  
JS1MD  
JS1 Mode. This bit selects the operation mode for the JS1 pin.  
0 = Jack Sense mode (default).  
1 = Interrupt mode.  
JS0TMR  
JS1TMR  
JS0EQB  
JS0 Timer Enable. If this bit is set to a 1, JS0 must be high for greater than 278 ms to be recognized.  
JS1 Timer Enable. If this bit is set to a 1, JS1 must be high for greater than 278 ms to be recognized.  
JS0 EQ Bypass Enable. This bit enables JS0 to control the EQ bypass. When this bit is set to 1, JS0 = 1 will  
cause the EQ to be bypassed.  
JS1EQB  
JS1 EQ Bypass Enable. This bit enables JS1 to control the EQ bypass. When this bit is set to 1, JS1 = 1 will  
cause the EQ to be bypassed.  
JSMT[2,0]  
JS Mute Enable Selector. These three bits select and enable the Jack Sense muting action (see Table VIII).  
REV. B  
–23–  

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