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参数资料
| 型号： | TLC320AD50IDW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封装： | PLASTIC, SO-28 |
| 文件页数： | 24/56页 |
| 文件大小： | 555K |
| 代理商： | TLC320AD50IDW |
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3–3
3.2.1
Hardware Secondary Serial Communication Request
The FC requests a secondary communication when it is asserted. The FC terminal is latched at the rising edge of
FS (primary communication), so FC should be pulled high before the rising edge of the primary frame sync (FS).
Figures 3–3 and 3–4 show the FS output from a master device.
ADC Data Out
FC
DOUT
DIN
FS
Register
Read/Write
ADC Data Out
DAC Data In
Register
Read/Write
DAC Data In
Secondary
Request
No Secondary
Request
PP
S
Figure 3–3. FS Output When Hardware Secondary Serial Communication Is Requested Only Once
(No Slave)
FS
(Master)
FC
(See Note)
S1
S2
S3
MS1
S2
S3
MM
PP
P
PS
S
SP
NOTE: FC of master device and slave devices should connect together.
Figure 3–4. FS Output When Hardware Secondary Serial Communication Is Requested Only Once
(Three Slaves)
3.2.2
Software Secondary Serial Communication Request
The LSB of the DAC data within a primary transfer can request a secondary communication 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 and 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 (Figure 3–5).
If the data format is set to the 16-bit word mode, all 16 bits are either ADC or DAC data and secondary communication
can then be requested only by hardware (FC terminal).
Data (D0 = 1)
DIN
FS
Register
Read/Write
Data (D0 = 0)
Secondary Communication Request
No Secondary Communication Request
PS
P
NOTE: See Figure 3–8 for secondary communication DIN data format.
Figure 3–5. FS Output During Software Secondary Serial Communication Request (No Slave)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLC320AD50IPT | 制造商:TI 制造商全称:Texas Instruments 功能描述:SIGMA-DELTA ANALOG INTERFACE CIRCUITS WITH MASTER-SLAVE FUNCTION |
| TLC320AD52CDW | 制造商:TI 制造商全称:Texas Instruments 功能描述:SIGMA-DELTA ANALOG INTERFACE CIRCUITS WITH MASTER-SLAVE FUNCTION |
| TLC320AD52CPT | 功能描述:IC ANALOG INTERFACE W/MS 48-LQFP RoHS:否 类别:集成电路 (IC) >> 接口 - 编解码器 系列:- 标准包装:2,500 系列:- 类型:PCM 数据接口:PCM 音频接口 分辨率（位）:15 b ADC / DAC 数量:1 / 1 三角积分调变:是 S/N 比，标准 ADC / DAC (db):- 动态范围，标准 ADC / DAC (db):- 电压 - 电源，模拟:2.7 V ~ 3.3 V 电压 - 电源，数字:2.7 V ~ 3.3 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-VFBGA 供应商设备封装:80-BGA MICROSTAR JUNIOR（5x5） 包装:带卷 (TR) 其它名称:296-21257-2 |
| TLC320AD535 | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL CHANNEL VOICE/DATA CODEC |
| TLC320AD535C | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL CHANNEL VOICE/DATA CODEC |
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