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| 型号： | DSPB56374AE |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 63/64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 |
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DSP56374 Data Sheet, Rev. 4.2
Signal Groupings
Freescale Semiconductor
8
4.5
Interrupt and Mode Control
The interrupt and mode control signals select the chip’s operating mode as it comes out of hardware reset.
After RESET is de-asserted, these inputs are hardware interrupt request lines.
Table 8. Interrupt and Mode Control
Signal Name
Type
State
during
Reset
Signal Description
MODA/IRQA
Input
MODA
Input
Mode Select A/External Interrupt Request A—MODA/IRQA is an
active-low Schmitt-trigger input, internally synchronized to the DSP
clock. MODA/IRQA selects the initial chip operating mode during
hardware reset and becomes a level-sensitive or
negative-edge-triggered, maskable interrupt request input during
normal instruction processing. This pin can also be programmed as
GPIO. MODA, MODB, MODC, and MODD select one of 16 initial chip
operating modes, latched into the OMR when the RESET signal is
de-asserted. If the processor is in the stop standby state and the
MODA/IRQA pin is pulled to GND, the processor will exit the stop state.
This pin has an internal pull up resistor.
This input is 5 V tolerant.
PH0
Input, output,
or
disconnected
Port H0—When the MODA/IRQA is configured as GPIO, this signal is
individually programmable as input, output, or internally disconnected.
MODB/IRQB
Input
MODB
Input
Mode Select B/External Interrupt Request B—MODB/IRQB is an
active-low Schmitt-trigger input, internally synchronized to the DSP
clock. MODB/IRQB selects the initial chip operating mode during
hardware reset and becomes a level-sensitive or
negative-edge-triggered, maskable interrupt request input during
normal instruction processing. This pin can also be programmed as
GPIO. MODA, MODB, MODC, and MODD select one of 16 initial chip
operating modes, latched into OMR when the RESET signal is
de-asserted.
This pin has an internal pull up resistor.
This input is 5 V tolerant.
PH1
Input, output,
or
disconnected
Port H1—When the MODB/IRQB is configured as GPIO, this signal is
individually programmable as input, output, or internally disconnected.
MODC/IRQC
Input
MODC
Input
Mode Select C/External Interrupt Request C—MODC/IRQC is an
active-low Schmitt-trigger input, internally synchronized to the DSP
clock. MODC/IRQC selects the initial chip operating mode during
hardware reset and becomes a level-sensitive or
negative-edge-triggered, maskable interrupt request input during
normal instruction processing. This pin can also be programmed as
GPIO. MODA, MODB, MODC, and MODD select one of 16 initial chip
operating modes, latched into OMR when the RESET signal is
de-asserted.
This pin has an internal pull up resistor.
This input is 5 V tolerant.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| 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 |
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