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參數資料
| 型號： | TLV320AIC14I |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO30 |
| 封裝： | PLASTIC, TSSOP-30 |
| 文件頁數： | 21/54頁 |
| 文件大小： | 450K |
| 代理商： | TLV320AIC14I |
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3–15
3.9.1
Data Frame Format
D0
D15 – D1
A/D and D/A Data
D15 – D0
A/D and D/A Data
D15 – D0
DIN
(15+1) Bit Mode
(Continuous Data Transfer Mode Only)
DOUT
(16 Bit A/D Data)
DIN
16 Bit Mode
DOUT
16 Bit Mode
Control Frame
Request
Figure 3–18. Data Frame Format
3.9.2
Control Frame Format (Programming Mode)
During the control frame, the DSP sends 16-bit words to the SMARTDM(TM) through DIN to read or write control
registers shown in Table 3–3. The upper byte (Bits D15–D8) of the 16-bit control-frame word defines the read/write
command. Bits D15–D13 define the control register address with register content occupied the lower byte D7–D0.
Bit D12 is set to 0 for a write or to 1 for a read. Bit D11 in the write command is used to perform the broadcast mode.
During a register write, the register content is located in the lower byte of DIN. During a register read, the register
content is output in the lower byte of DOUT in the same control frame, whereas the lower byte of DIN is ignored.
3.9.3
Broadcast Register Write
Broadcast operation is very useful for a cascading system of SMARTDM DSP codecs in which all register
programming can be completed in one control frame. During the control frame and in any register-write time slot, if
the broadcast bit (D11) is set to 1, the register content of that time slot is written into the specified register of all devices
in cascade (see Figure 3–20). This reduces the DSP’s overhead of doing multiple writes to program same data into
cascaded devices.
1
D11
0
1
0
1
DIN (Read)
DIN (Write)
Don’t care
D15
D13
D14
D13
D14
0
D9
D10
D11
DOUT (Read)
D15
D13
D14
D12
Data to be Written Into Register
D7 – D0
Register
Address
SMARTDM Device
Address
Register Content
R/W Broadcast
Register
Address
Figure 3–19. Control Frame Data Format
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相關代理商/技術參數 |
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| TLV320AIC14IDBT | 功能描述:接口—CODEC Lo-Pwr Mono Voice Band CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| TLV320AIC14IDBT-1 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| TLV320AIC14IDBTG4 | 功能描述:接口—CODEC Lo-Pwr Mono Voice Band CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| TLV320AIC14IDBTR | 功能描述:接口—CODEC Lo-Pwr Mono Voice Band CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| TLV320AIC14IDBTRG4 | 功能描述:接口—CODEC Lo-Pwr Mono Voice Band CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
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