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参数资料
| 型号： | AD7887WARMZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/24页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 2CH SRL 8-MSOP |
| 设计资源： | Software Calibrated, 1 MHz to 8 GHz, 70 dB RF Power Measurement System Using AD8318 (CN0150) |
| 标准包装： | 50 |
| 位数： | 12 |
| 采样率（每秒）： | 125k |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 3.5mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 管件 |
| 输入数目和类型： | 2 个单端，单极 |
| 产品目录页面： | 779 (CN2011-ZH PDF) |
AD7887
Rev. D | Page 19 of 24
DOUT
DIN
SCLK
CS
1ADDITIONAL PINS OMITTED FOR CLARITY.
AD78871
80511
P1.3
P1.0
P1.1
P1.2
06191-
0
26
AD7887 to MC68HC11
The serial peripheral interface (SPI) on the MC68HC11 is
configured for master mode (MSTR = 1) when the clock
polarity bit (CPOL) = 1 and the clock phase bit (CPHA) = 1.
The SPI is configured by writing to the SPI Control Register
(SPCR)—see the M68HC11 reference manual from Freescale
Semiconductor, Inc., for more information. The serial transfer
takes place as two 8-bit operations. A connection diagram is
shown in Figure 25.
Figure 26. Interfacing to the 8051 Using Input/Output Ports
AD7887 to PIC16C6x/PIC16C7x
DOUT
DIN
SCLK
CS
1ADDITIONAL PINS OMITTED FOR CLARITY.
MC68HC111
AD78871
SCLK/PD4
MISO/PD2
MOSI/PD3
PA0
0
6191-
025
The PIC16C6x synchronous serial port (SSP) is configured as an
SPI master with the clock polarity bit = 1. This is done by writing to
the synchronous serial port control register (SSPCON). See the
PIC16/PIC17 Microcontroller User Manual. Figure 27 shows the
hardware connections needed to interface to the PIC16C6x/
PIC16C7x. In this example, input/output port RA1 is being used to
pulse CS. This microcontroller only transfers eight bits of data
during each serial transfer operation. Therefore, two consecutive
read/write operations are needed.
Figure 25. Interfacing to the MC68HC11
AD7887 to 8051
DOUT
DIN
SCLK
CS
1ADDITIONAL PINS OMITTED FOR CLARITY.
AD78871
PIC16C6x/
PIC16C7x1
SCK/RC3
SDO/RC5
RA1
SDI/RC4
06191-
02
7
It is possible to implement a serial interface using the data ports
on the 8051. This allows a full duplex serial transfer to be imple-
mented. The technique involves bit-banging an input/output
port (for example, P1.0) to generate a serial clock and using two
other input/output ports (for example, P1.1 and P1.2) to shift
data in and out—see Figure 26.
Figure 27. Interfacing to the PIC16C6x/PIC16C7x
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7887WARMZ-RL | 功能描述:IC ADC 12BIT 2CH SRL 8-MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| AD7888AR | 制造商:Analog Devices 功能描述:ADC Single SAR 125ksps 12-bit Serial 16-Pin SOIC N 制造商:Analog Devices 功能描述:IC 12BIT ADC 8CH MICROPOWER 7888 |
| AD7888AR-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 125ksps 12-bit Serial 16-Pin SOIC N T/R |
| AD7888AR-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 125ksps 12-bit Serial 16-Pin SOIC N T/R |
| AD7888ARU | 功能描述:IC ADC 12BIT 8CH 125KSPS 16TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
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