参数资料
型号: DSPB56374AE
厂商: Freescale Semiconductor
文件页数: 10/64页
文件大小: 0K
描述: IC DSP 24BIT 150MHZ 52-LQFP
标准包装: 160
系列: DSP56K/Symphony
类型: 音频处理器
接口: 主机接口,I²C,SAI,SPI
时钟速率: 150MHz
非易失内存: ROM(84 kB)
芯片上RAM: 54kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.25V
工作温度: -40°C ~ 110°C
安装类型: 表面贴装
封装/外壳: 52-LQFP
供应商设备封装: 52-LQFP(10x10)
包装: 托盘
DSP56374 Data Sheet, Rev. 4.2
Signal Groupings
Freescale Semiconductor
18
FSR_1
Input or output
GPIO
disconnected
Frame Sync for Receiver_1—This is the receiver frame
sync input/output signal. In the asynchronous mode
(SYN=0), the FSR_1 pin operates as the frame sync input
or output used by all the enabled receivers. In the
synchronous mode (SYN=1), it operates as either the serial
flag 1 pin (TEBE=0), or as the transmitter external buffer
enable control (TEBE=1, RFSD=1).
When this pin is configured as serial flag pin, its direction is
determined by the RFSD bit in the RCCR_1 register. When
configured as the output flag OF1, this pin will reflect the
value of the OF1 bit in the SAICR_1 register, and the data
in the OF1 bit will show up at the pin synchronized to the
frame sync in normal mode or the slot in network mode.
When configured as the input flag IF1, the data value at the
pin will be stored in the IF1 bit in the SAISR_1 register,
synchronized by the frame sync in normal mode or the slot
in network mode.
PE1
Input, output, or
disconnected
Port E1—When the ESAI_1 is configured as GPIO, this
signal is individually programmable as input, output, or
internally disconnected.
The default state after reset is GPIO disconnected.
Internal Pull down resistor.
This input is 5 V tolerant
FST_1
Input or output
GPIO
disconnected
Frame Sync for Transmitter_1—This is the transmitter frame
sync input/output signal. For synchronous mode, this signal
is the frame sync for both transmitters and receivers. For
asynchronous mode, FST_1 is the frame sync for the
transmitters only. The direction is determined by the
transmitter frame sync direction (TFSD) bit in the ESAI_1
transmit clock control register (TCCR_1).
PE4
Input, output, or
disconnected
Port E4—When the ESAI_1 is configured as GPIO, this
signal is individually programmable as input, output, or
internally disconnected.
The default state after reset is GPIO disconnected.
Internal Pull down resistor.
This input is 5 V tolerant.
Table 11. Enhanced Serial Audio Interface_1 Signals (continued)
Signal Name
Signal Type
State during
Reset
Signal Description
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DSPB56374AF 制造商:Freescale Semiconductor 功能描述:; Series:DSP56300; DSP Type:Static CMOS
DSPB56374AFC 功能描述:数字信号处理器和控制器 - DSP, DSC 56374 80LQFP 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