参数资料
型号: DSPB56721AF
厂商: Freescale Semiconductor
文件页数: 53/54页
文件大小: 0K
描述: AUDIO PROCESSOR SYMPH 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: 200MHz
非易失内存: 外部
芯片上RAM: 744kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.00V
工作温度: 0°C ~ 70°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
Symphony DSP56720/DSP56721 Multi-Core Audio Processors, Rev. 5
Freescale Semiconductor
8
2
Electrical Characteristics
2.1
Maximum Ratings
Table 2 shows the maximum ratings.
CAUTION
This device contains circuitry protecting against damage due to high static voltage or
electrical fields. However, normal precautions should be taken to avoid exceeding
maximum voltage ratings. Reliability of operation is enhanced if unused inputs are pulled
to an appropriate logic voltage level (for example, either GND or VDD). The suggested
value for a pull-up or pull-down resistor is 4.7 k
Ω.
NOTE
In the calculation of timing requirements, adding a maximum value of one specification to
a minimum value of another specification does not yield a reasonable sum. A maximum
specification is calculated using a worst case variation of process parameter values in one
direction. The minimum specification is calculated using the worst case for the same
parameters in the opposite direction. Therefore, a “maximum” value for a specification will
never occur in the same device that has a “minimum” value for another specification;
adding a maximum to a minimum represents a condition that can never exist.
Table 2. Maximum Ratings
Rating1
Symbol
Value1, 2
Unit
Supply Voltage
VCORE_VDD,
VPLLD_VDD
–0.3 to + 1.26
V
VPLLP_VDD,
VIO_VDD,
VPLLA_VDD,
–0.3 to + 4.0
V
Maximum CORE_VDD power supply ramp time3
Tr
10
ms
Input Voltage per pin excluding VDD and GND
VIN
GND –0.3 to 5.5 V
V
Current drain per pin excluding VDD and GND
(Except for pads listed below)
I12
mA
LSYNC_OUT
Ilsync_out
16
mA
LCLK
Ilclk
16
mA
LALE
Iale
16
mA
TDO
IJTAG
24
mA
Operating temperature range
TJ
–40 to +100
°C
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