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参数资料
型号： DSPB56371AF180
厂商： Freescale Semiconductor
文件页数： 2/68页
文件大小： 0K
描述： IC DSP 24BIT 180MHZ 80-LQFP
标准包装： 90
系列： DSP56K/Symphony
类型： 音频处理器
接口： 主机接口，I²C，SAI，SPI
时钟速率： 180MHz
非易失内存： ROM（384 kB）
芯片上RAM： 264kB
电压 - 输入/输出： 3.30V
电压 - 核心： 1.25V
工作温度： -40°C ~ 115°C
安装类型： 表面贴装
封装/外壳： 80-LQFP
供应商设备封装： 80-LQFP（14x14）
包装： 托盘
DSP56371 Data Sheet, Rev. 4.1
Signal/Connection Descriptions
Freescale Semiconductor
10
implement the Motorola SPI serial protocol. The ESAI consists of independent transmitter and receiver
sections, each with its own clock generator. It is a superset of the DSP56300 family ESSI peripheral and
of the DSP56000 family SAI peripheral. For more information on the ESAI, refer to DSP56371 User’s
Manual, Enhanced Serial Audio Interface (ESAI) section.
2.5.4
Enhanced Serial Audio Interface 1 (ESAI_1)
The ESAI_1 is a second ESAI interface. The ESAI_1 is functionally identical to ESAI. For more
information on the ESAI_1, refer to DSP56371 User’s Manual, Enhanced Serial Audio Interface (ESAI_1)
section.
2.5.5
Serial Host Interface (SHI)
The SHI is a serial input/output interface providing a path for communication and program/coefficient data
transfers between the DSP and an external host processor. The SHI can also communicate with other serial
peripheral devices. The SHI can interface directly to either of two well-known and widely used
synchronous serial buses: the Motorola serial peripheral interface (SPI) bus and the Philips
inter-integrated-circuit control (I2C) bus. The SHI supports either the SPI or I2C bus protocol, as required,
from a slave or a single-master device. To minimize DSP overhead, the SHI supports single-, double- and
triple-byte data transfers. The SHI has a 10-word receive FIFO that permits receiving up to 30 bytes before
generating a receive interrupt, reducing the overhead for data reception. For more information on the SHI,
refer to DSP56371 User’s Manual, Serial Host Interface section.
2.5.6
Digital Audio Transmitter (DAX)
The DAX is a serial audio interface module that outputs digital audio data in the AES/EBU, CP-340 and
IEC958 formats. For more information on the DAX, refer to DSP56371 User’s Manual, Digital Audio
section.
3
Signal/Connection Descriptions
3.1
Signal Groupings
The input and output signals of the DSP56374 are organized into functional groups, which are listed in
Table 1. and illustrated in Figure 2.
The DSP56374 is operated from a 1.25 V and 3.3 V supply; however, some of the inputs can tolerate 5.0
V. A special notice for this feature is added to the signal descriptions of those inputs.
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参数描述
DSPB56371AF180 制造商:Freescale Semiconductor 功能描述:Digital Signal Processor (DSP) IC
DSPB56374AE 功能描述:数字信号处理器和控制器 - DSP, DSC PB-FREE 52 LQFP RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT
DSPB56374AEB 制造商:Freescale Semiconductor 功能描述:52 LQFP PB-FREE W/ BI - Bulk
DSPB56374AEC 功能描述:数字信号处理器和控制器 - DSP, DSC 52 LQFP AUTOMOTIVE RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT
DSPB56374AF 功能描述:数字信号处理器和控制器 - DSP, DSC PB-FREE 80 LQFP 14X14MM RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT
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