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参数资料
| 型号： | AD7477SRT-REEL7 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | ADC |
| 英文描述： | 1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23 |
| 中文描述： | 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6 |
| 封装： | PLASTIC, MO-178AB, SOT-23, 6 PIN |
| 文件页数： | 17/20页 |
| 文件大小： | 360K |
| 代理商： | AD7477SRT-REEL7 |
REV. D
AD7476/AD7477/AD7478
–17–
AD7476/AD7477/AD7478 to DSP56xxx Interface
The connection diagram in Figure 20 shows how the AD7476/
AD7477/AD7478 can be connected to the SSI (Synchronous
Serial Interface) of the DSP56xxx family of DSPs from Motorola.
The SSI is operated in Synchronous Mode (SYN bit in
CRB =1) with internally generated word frame sync for both
Tx and Rx (Bits FSL1 = 0 and FSL0 = 0 in CRB). Set the word
length to 16 by setting bits WL1 = 1 and WL0 = 0 in CRA. To
implement the Power-Down mode on the AD7476/AD7477/
AD7478, the word length can be changed to eight bits by setting
bits WL1 = 0 and WL0 = 0 in CRA. It should be noted that
for signal processing applications, it is imperative that the
frame synchronization signal from the DSP56xxx provides
equidistant sampling.
SDATA
CS
SRD
SC2
AD7476/
AD7477/
AD7478
*
SCLK
DSP56xxx
*
SCK
*
ADDITIONAL PINS OMITTED FOR CLARITY
Figure 20. Interfacing to the DSP56xxx
AD7476/AD7477/AD7478 to MC68HC16 Interface
The Serial Peripheral Interface (SPI) on the MC68HC16 is
configured for Master Mode (MSTR = 1), the Clock Polarity
Bit (CPOL) = 1, and the Clock Phase Bit (CPHA) = 0. The SPI
is configured by writing to the SPI Control Register (SPCR)—see
the
68HC16
User Manual
. The serial transfer will take place as
a 16-bit operation when the SIZE bit in the SPCR register is set
to SIZE = 1. To implement the Power-Down mode with an
8-bit transfer, set SIZE = 0. A connection diagram is shown
in Figure 21.
SDATA
CS
MISO/PMC0
SS
/PMC3
AD7476/
AD7477/
AD7478
*
SCLK
MC68HC16
*
SCLK/PMC2
*
ADDITIONAL PINS OMITTED FOR CLARITY
Figure 21. Interfacing to the MC68HC16
相关PDF资料 |
PDF描述 |
|---|---|
| AD7476ARTZ-REEL | LED Indicator; LED Color:Amber; Color:Amber; Lens Color:Amber; Lens Style:Flush; Body Material:Metal RoHS Compliant: Yes |
| AD7476BRTZ-REEL | 1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23 |
| AD7476ART | 1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23 |
| AD7476BRT | +3.3V, 2.125Gbps/1.0625Gbps Fibre-Channel Port Bypass ICs |
| AD7476BRT-REEL | +3.3V, 2.125Gbps/1.0625Gbps Fibre-Channel Port Bypass ICs |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7477SRTZ-REEL | 功能描述:模数转换器 - ADC 10Bit 1MSPS Lo-Pwr RoHS:否 制造商:Analog Devices 通道数量: 结构: 转换速率: 分辨率: 输入类型: 信噪比: 接口类型: 工作电源电压: 最大工作温度: 安装风格: 封装 / 箱体: |
| AD7477SRTZ-REEL3 | 制造商:AD 制造商全称:Analog Devices 功能描述:1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23 |
| AD7477SRTZ-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 10-bit Serial 6-Pin SOT-23 T/R |
| AD7478 | 制造商:AD 制造商全称:Analog Devices 功能描述:1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23 |
| AD7478A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:AD7476A/AD7477A/AD7478A: 2.35 V to 5.25 V. 1 MSPS. 12-/10-/8-Bit ADCs in 6-Lead SC70 Data Sheet (Rev. A. 2/03) |
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