参数资料
型号: DSPB56720AG
厂商: Freescale Semiconductor
文件页数: 8/54页
文件大小: 0K
描述: AUDIO PROCESSOR SYMPH 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: 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: 144-LQFP
供应商设备封装: 144-LQFP(20x20)
包装: 托盘
Symphony DSP56720/DSP56721 Multi-Core Audio Processors, Rev. 5
Freescale Semiconductor
16
Figure 11 shows the reset timing diagram.
Figure 11. Reset Timing Diagram
22
DMA Requests Rate
Data read from ESAI, ESAI_1, ESAI_2, ESAI_3, SHI, SHI_1
6
× TC
30.0
ns
Data write to ESAI, ESAI_1, ESAI_2, ESAI_3, SHI, SHI_1
7
× TC
35.0
ns
Timer, Timer_1
2
× TC
10.0
ns
IRQ, NMI (edge trigger)
3
× TC
15.0
ns
Notes:
1. When using fast interrupts and when IRQA, IRQB, IRQC, and IRQD are defined as level-sensitive, timings 19 through 21 apply
to prevent multiple interrupt service. To avoid these timing restrictions, the Edge-triggered mode is recommended when using
fast interrupts. Long interrupts are recommended when using Level-sensitive mode.
2. For PLL disable, if using an external clock (PCTL Bit 13 = 1), no stabilization delay is required and recovery time will be defined
by the OMR Bit 6 settings.
For PLL enable, (if bit 12 of the PCTL register is 0), the PLL is shut down during Stop. Recovering from Stop requires the PLL
to get locked. The PLL lock procedure duration, PLL Lock Cycles (PLC), may be in the range of 200
μs.
3. Periodically sampled and not 100% tested.
4. RESET duration is measured during the time in which RESET is asserted, VDD is valid, and the EXTAL input is active and
valid. When VDD is valid, but the other “required RESET duration” conditions (as specified above) have not been yet met, the
device circuitry will be in an uninitialized state that can result in significant power consumption and heat-up. Designs should
minimize this state to the shortest possible duration.
Table 7. Reset, Stop, Mode Select, and Interrupt Timing Parameters
No.
Characteristics
Expression
Min
Max
Unit
VIH
RESET
All Pins
10
11
13
Reset Value
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