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參數資料
| 型號： | TLV320AIC10IGQER |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA80 |
| 封裝： | MICRO, PLASTIC, BGA-80 |
| 文件頁數： | 25/57頁 |
| 文件大小： | 454K |
| 代理商： | TLV320AIC10IGQER |
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3–5
M
Master FS
P
S2
P
S1
P
S0
P
M
S
S2
S
FC
(See Note)
S1
S
S0
M
P
(FC pulse needs to be inserted any time
within the primary communication)
NOTES: A. FC of master device and slave devices should be connected together
B. Primary communication interval = 256 SCLKs if cascading devices < 5
C. Primary communication interval = 512 SCLKs if cascading devices > 4
Figure 3–6. Output When Hardware Secondary Serial Communication Is Requested (Three Slaves)
3.2.3
Software Secondary Serial Communication Request
The LSB of the DAC data within a primary transfer can request a secondary communication through bit D0 of control
register 1 when the device is in the 15-bit mode.
For all serial communications, the most significant bit is transferred first. For a 16-bit ADC word and a 16-bit DAC word,
D15 is the most significant bit and D0 is the least significant bit. For a 15-bit DAC data word in a primary
communication, D15 is the most significant bit, D1 is the least significant bit. Bit D0 is then used for the secondary
communication request control. All digital data values are in 2s-complement data format (see Figure 3–7).
If the data format is set to 16-bit word, all 16 bits are either ADC or DAC data, and secondary communication can
only be requested by hardware (FC terminal), or control registers can be programmed by the direct configuration
mode.
PS
DIN
Register
FS
No Secondary
Communication Request
Data (D0 = 1)
Read/Write
P
Data (D0 = 0)
Secondary
Communication Request
Figure 3–7. FS Output During Software Secondary Serial Communication Request (No Slave)
3.3
Direct Configuration Mode
For DSP applications that use continuous data transfer mode for autobuffering, or for DMA operations that do not
have the capability to interfere with the data conversion channel by inserting the secondary communication, the
TLV320AIC10s direct-configuration mode provides a flexible alternative to programming control registers through pin
DCSI. The serial input to DCSI should normally be in a high state, start its valid data with a start bit of logic low, and
pull high as a stop bit after transmission of the LSB. DCSI requires a pullup resistor for 3-state input. The AIC10
registers data bits on the falling edge of SCLK. Figure 3–8 shows a typical connection between the C54x and the
AIC10 using DCSI for direct configuration of control registers. Figure 3–9 shows the timing diagram for the direct
configuration mode.
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相關代理商/技術參數 |
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| TLV320AIC10IPFB | 功能描述:接口—CODEC 16-Bit 22-KSPS DSP 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 |
| TLV320AIC10IPFBG4 | 功能描述:接口—CODEC 18-Bit Regstr Bus Trncvr W/3-St Otpt 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 |
| TLV320AIC10PFB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:General-Purpose 3V to 5.5V 16-bit 22-KSPS DSP CODEC |
| TLV320AIC11 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:General-Purpose Low-Voltage 1.1V to 3.6V/0 16-bit 22-KSPS DSP CODEC |
| TLV320AIC1103 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PCM CODEC |
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