参数资料
型号: DSPB56366AG120
厂商: Freescale Semiconductor
文件页数: 39/110页
文件大小: 0K
描述: IC DSP 24BIT AUD 120MHZ 144-LQFP
产品变化通告: Product Discontinuation 24/Feb/2012
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: 120MHz
非易失内存: ROM(240 kB)
芯片上RAM: 69kB
电压 - 输入/输出: 3.30V
电压 - 核心: 3.30V
工作温度: -40°C ~ 110°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
DSP56366 Technical Data, Rev. 3.1
3-8
Freescale Semiconductor
27
Interrupt Requests Rate
HDI08, ESAI, ESAI_1, SHI, DAX, Timer
DMA
IRQ, NMI (edge trigger)
IRQ (level trigger)
12TC
8TC
12TC
100.0
66.7
100.0
ns
28
DMA Requests Rate
Data read from HDI08, ESAI, ESAI_1, SHI, DAX
Data write to HDI08, ESAI, ESAI_1, SHI, DAX
Timer
IRQ, NMI (edge trigger)
6TC
7TC
2TC
3TC
50.0
58.0
16.7
25.0
ns
29
Delay from IRQA, IRQB, IRQC, IRQD, NMI assertion to
external memory (DMA source) access address out valid
4.25
× T
C + 2.0
37.4
ns
1 V
CC = 3.3 V ± 0.16 V; TJ = –40°C to + 110°C, CL = 50 pF
2 Periodically sampled and not 100% tested.
3 RESET duration is measured during the time in which RESET is asserted, V
CC is valid, and the EXTAL input is active and
valid. When the VCC 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.
4 If PLL does not lose lock.
5 When using fast interrupts and 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 deasserted Edge-triggered mode is recommended
when using fast interrupts. Long interrupts are recommended when using Level-sensitive mode.
6 WS = number of wait states (measured in clock cycles, number of T
C). Use expression to compute maximum value.
7 This timing depends on several settings:
For PLL disable, using external clock (PCTL Bit 16 = 1), no stabilization delay is required and recovery time will be defined
by the PCTL Bit 17 and OMR Bit 6 settings.
For PLL enable, if PCTL Bit 17 is 0, the PLL is shutdown 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 0 to 1000 cycles. This procedure occurs in
parallel with the stop delay counter, and stop recovery will end when the last of these two events occurs: the stop delay
counter completes count or PLL lock procedure completion.
PLC value for PLL disable is 0.
The maximum value for ETC is 4096 (maximum MF) divided by the desired internal frequency (i.e., for 120 MHz it is 4096/120
MHz = 34.1
μs). During the stabilization period, T
C, TH, and TL will not be constant, and their width may vary, so timing may
vary as well.
Table 3-7 Reset, Stop, Mode Select, and Interrupt Timing1 (continued)
No.
Characteristics
Expression
Min
Max
Unit
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