參數(shù)資料
型號: DSPB56362AG120
廠商: Freescale Semiconductor
文件頁數(shù): 80/152頁
文件大小: 0K
描述: IC DSP 24BIT AUD 120MHZ 144-LQFP
標準包裝: 60
系列: DSP56K/Symphony
類型: 音頻處理器
接口: 主機接口,I²C,SAI,SPI
時鐘速率: 120MHz
非易失內(nèi)存: ROM(126 kB)
芯片上RAM: 42kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 3.30V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-LQFP(20x20)
包裝: 托盤
Reset, Stop, Mode Select, and Interrupt Timing
DSP56362 Technical Data, Rev. 4
Freescale Semiconductor
3-7
3.9
Reset, Stop, Mode Select, and Interrupt Timing
Table 3-7 Reset, Stop, Mode Select, and Interrupt Timing 100 and 120 MHz Values1
No
Characteristics
Expression2
100 MHz
120 MHz
Unit
Min
Max
Min
Max
8
Delay from RESET assertion to all pins at reset value3
26.0
ns
9
Required RESET duration4
Power on, external clock generator, PLL disabled
Power on, external clock generator, PLL enabled
Power on, internal oscillator
During STOP, XTAL disabled (PCTL Bit 16 = 0)
During STOP, XTAL enabled (PCTL Bit 16 = 1)
During normal operation
50
× ET
C
1000
× ET
C
75000
× ET
C
75000
× ET
C
2.5
× T
C
2.5
× T
C
500.0
10.0
750
25.0
416.7
8.3
625
20.8
ns
s
ns
10 Delay from asynchronous RESET deassertion to first
external address output (internal reset deassertion)5
Minimum
Maximum
3.25
× T
C + 2.0
20.25 TC + 7.50
34.5
211.5
29.1
176.2
ns
11 Synchronous reset setup time from RESET
deassertion to CLKOUT Transition 1
Minimum
Maximum
TC
5.9
10.0
ns
12 Synchronous reset deasserted, delay time from the
CLKOUT Transition 1 to the first external address
output
Minimum
Maximum
3.25
× T
C + 2.0
20.25 TC + 7.5
33.5
207.5
ns
13 Mode select setup time
30.0
30.0
ns
14 Mode select hold time
0.0
0.0
ns
15 Minimum edge-triggered interrupt request assertion
width
6.6
5.5
ns
16 Minimum edge-triggered interrupt request deassertion
width
6.6
5.5
ns
17 Delay from IRQA, IRQB, IRQC, IRQD, NMI assertion to
external memory access address out valid
Caused by first interrupt instruction fetch
Caused by first interrupt instruction execution
4.25
× T
C + 2.0
7.25
× T
C + 2.0
44.5
74.5
37.4
62.4
ns
18 Delay from IRQA, IRQB, IRQC, IRQD, NMI assertion to
general-purpose transfer output valid caused by first
interrupt instruction execution
10
× T
C + 5.0
105.0
88.3
ns
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