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参数资料
| 型号： | TLC32047C |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | Wide-Band Analog Interface Circuit |
| 中文描述： | 宽带模拟接口电路 |
| 文件页数： | 26/61页 |
| 文件大小： | 303K |
| 代理商： | TLC32047C |
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2–8
2.15 Communications Word Sequence
In the dual-word (telephone interface) mode, there are two data words that are presented to the DSP or
μ
P
from DR. The first data word is the ADC conversion result occurring during the FSR time, and the second
is the serial data applied to DATA-DR during the FSD time. FSR is not asserted during secondary
communications and FSD is not asserted during primary communications.
DX-14 Bits Digital 11
From DSP to DAC
4 Shift
Clocks
DX-14 Bits Digital XX
From DSP
Input for D/A
Conversion
Input for Register
Program
2s Complement Output
From ADC to the DSP
2s Complement Output
From ADC to the DSP
Data From DATA-DR
to the DSP
16 bits
16 bits
Primary
Communications
Secondary
Communications
FSX
DX
FSR
DR
TLC32047
TLC32047
TLC32047
Dual-Word
(Telephone Interface)
Mode Only
TLC32047
Dual-Word
(Telephone Interface)
Mode Only
16 bits Digital From
DATA-DR to DR
FSD
TLC32047
Dual-Word
(Telephone Interface)
Mode Only
Figure 2–2. Primary and Secondary Communications Word Sequence
2.15.1
A/D MSB
DR Word Bit Pattern
1st bit sent
↓
D15
A/D LSB
↓
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
The data word is the 14-bit conversion result of the receive channel to the processor in 2s complement
format. With 16-bit processors, the data is 16 bits long with the two LSBs at zero. Using 8-bit processors,
the data word is transmitted in the same order as one 16-bit word, but as two bytes with the two LSBs of
the second byte set to zero.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLC32047CFN | 制造商:TI 制造商全称:Texas Instruments 功能描述:Wide-Band Analog Interface Circuit |
| TLC32047CN | 制造商:TI 制造商全称:Texas Instruments 功能描述:Wide-Band Analog Interface Circuit |
| TLC32047I | 制造商:TI 制造商全称:Texas Instruments 功能描述:Wide-Band Analog Interface Circuit |
| TLC32047IFN | 制造商:TI 制造商全称:Texas Instruments 功能描述:Wide-Band Analog Interface Circuit |
| TLC32047IN | 制造商:TI 制造商全称:Texas Instruments 功能描述:Wide-Band Analog Interface Circuit |
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