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| 型号： | AT73C213 |
| 厂商： | Atmel |
| 文件页数： | 12/37页 |
| 文件大小： | 0K |
| 描述： | IC PWR MGMT FOR MOBILES 32QFN |
| 标准包装： | 260 |
| 应用： | 手持/移动设备 |
| 电流 - 电源： | 6mA |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN（7x7） |
| 包装： | 托盘 |
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8. SPI Interface
8.1
Architecture
The SPI is a three-wire bi-directional asynchronous serial link. It works only in slave mode. The
protocol is the following:
Figure 8-1.
SPI Architecture
SPI_CSB
SPI_CLK
rw a6 a5 a4 a3 a2 a1 a0 d7 d6 d5 d4 d3 d2 d1 d0
SPI_DIN
d7 d6 d5 d4 d3 d2 d1 d0
SPI_DOUT
8.2
SPI Protocol
On SPI_DIN, the first bit is a read/write bit. 0 indicates a write operation, while 1 is for a read
operation. The seven following bits are used for the register address and the eight last ones are
the write data. For both address and data, the most significant bit is the first one.
In case of a read operation, SPI_DOUT provides the contents of the read register, MSB first.
The transfer is enabled by the CSB signal active low. When no operation is being carried out,
SPI_DOUT is set high impedance to allow sharing of MCU serial interface with other devices.
The interface is reset at every rising edge of SPI_CSB in order to come back to an idle state,
even if the transfer does not succeed. The SPI is synchronized with the serial clock SPI_CLK.
Falling edge latches SPI_DIN input and rising edge shifts SPI_DOUT output bits.
Note that MCLK must run during any SPI write access from address 0x00 to 0x0D.
12
AT73C213
2744B–PMAAC–11-Apr-08
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相关代理商/技术参数 |
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| AT73C213B | 功能描述:音频数/模转换器 IC Stereo DAC + Cls AB Amp for portables RoHS:否 制造商:Texas Instruments 转换器数量: 分辨率:16 bit 接口类型:I2S, UBS 转换速率: 信噪比:98 dB 工作电源电压:5 V DAC 输出端数量:2 工作温度范围:- 25 C to + 85 C 电源电流:23 mA 安装风格:SMD/SMT 封装 / 箱体:TQFP-32 封装:Reel |
| AT73C213-EK | 功能描述:开发板和工具包 - ARM AT73C213 EVALUATION BOARD RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
| AT73C214 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Power Management and Battery Charger for Wireless Devices |
| AT73C214J | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Power Management and Battery Charger for Wireless Devices |
| AT73C221 | 功能描述:其他电源管理 NGD MONOLITHIC NUMERIC IC RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
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