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参数资料
| 型号： | DSPB56724AG |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 48/48页 |
| 文件大小： | 0K |
| 描述： | DSP 24BIT AUD 250MHZ 144-LQFP |
| 标准包装： | 60 |
| 系列： | DSP56K/Symphony |
| 类型： | 音频处理器 |
| 接口： | 主机接口，I²C，SAI，SPI |
| 时钟速率： | 250MHz |
| 非易失内存： | 外部 |
| 芯片上RAM： | 112kB |
| 电压 - 输入/输出： | 3.30V |
| 电压 - 核心： | 1.20V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 144-LQFP |
| 供应商设备封装： | 144-LQFP（20x20） |
| 包装： | 托盘 |
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Symphony DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
Freescale Semiconductor
9
1.1.6
AC Electrical Characteristics
The timing waveforms shown in the AC electrical characteristics section are tested with a VIL maximum of 0.8 V and a VIH
minimum of 2.0 V for all pins. AC timing specifications, which are referenced to a device input signal, are measured in
production with respect to the 50% point of the respective input signal’s transition. For all pins, output levels are measured with
the production test machine VOL and VOH reference levels set at 0.4 V and 2.4 V, respectively.
1.1.7
Internal Clocks
Table 5 lists the internal clocks.
Internal supply current1 (core only) operating at
Fsys < 250 MHz
In Normal mode
ICCI
—
140
340
mA
In Wait mode
ICCW
—90
290
mA
In Stop mode2
ICCS
—40
240
mA
Input capacitance
CIN
—
10
pF
Note:
1. The Current Consumption section provides a formula to compute the estimated current requirements in Normal mode. In
order to obtain these results, all inputs must be terminated (for example, not allowed to float). Measurements are based on
synthetic intensive DSP benchmarks. The power consumption numbers in this specification are 90% of the measured
results of this benchmark. This reflects typical DSP applications. Typical internal supply current with Fsys < 200 MHz is
measured with VCORE_VDD = 1.0 V, VDD_IO = 3.3 V at TJ = 25° C. Maximum internal supply current is measured with
VCORE_VDD = 1.05 V, VIO_VDD) = 3.6 V at TJ = 100° C. Typical internal supply current with Fsys < 250 MHz is measured with
VCORE_VDD = 1.2 V, VDD_IO = 3.3 V at TJ = 25° C. Maximum internal supply current is measured with VCORE_VDD = 1.26 V,
VIO_VDD) = 3.6 V at TJ = 90° C.
2. In order to obtain these results, all inputs, which are not disconnected at Stop mode, must be terminated (that is, not allowed
to float).
Table 5. Internal Clocks
No.
Characteristics
Symbol
Min
Typ
Max
Unit
Condition
1
Comparison Frequency
Fref
2
—
8
MHz
Fref = Fin/NR
2
Input Clock Frequency
with PLL enabled
with PLL disabled
Fin
2
—
248
200
MHz
—
Table 4. DC Electrical Characteristics (Continued)
Characteristics
Symbol
Min
Typ
Max
Unit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DSPB56724CAG | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Symphony? DSP56724/DSP56725 Multi-Core Audio Processors |
| DSPB56725AF | 功能描述:数字信号处理器和控制器 - DSP, DSC Multi-Core Audio Processor 80-Pin 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 |
| DSPB56725CAF | 功能描述:数字信号处理器和控制器 - DSP, DSC PB FREE DSPB56724 AP 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 |
| DSPB720DB1E | 功能描述:子卡和OEM板 B VERSION 720 DAUGHTER C RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| DSPB721DB1E | 功能描述:子卡和OEM板 B VERSION 721 DAUGHTER C RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
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