參數(shù)資料
型號(hào): DSPB56364AF100
廠商: Freescale Semiconductor
文件頁數(shù): 66/148頁
文件大小: 0K
描述: IC DSP 24BIT AUD 100MHZ 100-LQFP
標(biāo)準(zhǔn)包裝: 90
系列: DSP56K/Symphony
類型: 音頻處理器
接口: 主機(jī)接口,I²C,SAI,SPI
時(shí)鐘速率: 100MHz
非易失內(nèi)存: ROM(24 kB)
芯片上RAM: 11.25kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 3.30V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-LQFP(14x14)
包裝: 托盤
Reset, Stop, Mode Select, and Interrupt Timing
DSP56364 Technical Data, Rev. 4.1
3-8
Freescale Semiconductor
21
Delay from WR assertion to interrupt request deassertion
for level sensitive fast interrupts6, 7
ns
DRAM for all WS
(WS + 3.5)
× T
C – 10.94
SRAM WS = 1
(WS + 3.5)
× T
C – 10.94
SRAM WS = 2, 3
(WS + 3)
× T
C – 10.94
SRAM WS
≥ 4
(WS + 2.5)
× T
C – 10.94
24
Duration for IRQA assertion to recover from Stop state
5.9
25
Delay from IRQA assertion to fetch of first instruction (when
exiting Stop)3, 8
PLL is not active during Stop (PCTL Bit 17 = 0) and Stop
delay is enabled (OMR Bit 6 = 0)
PLC
× ET
C × PDF +
(128 K
PLC/2) × T
C
1.3
13.6
ms
PLL is not active during Stop (PCTL Bit 17 = 0) and Stop
delay is not enabled (OMR Bit 6 = 1)
PLC
× ET
C × PDF +
(23.75
± 0.5) × T
C
232.5
ns
12.3
ms
PLL is active during Stop (PCTL Bit 17 = 1) (Implies No
Stop Delay)
(8.25
± 0.5) × T
C
77.5
87.5
ns
26
Duration of level sensitive IRQA assertion to ensure
interrupt service (when exiting Stop)3, 8
PLL is not active during Stop (PCTL Bit 17 = 0) and Stop
delay is enabled (OMR Bit 6 = 0)
PLC
× ET
C × PDF +
(128 K
PLC/2) × T
C
13.6
ms
PLL is not active during Stop (PCTL Bit 17 = 0) and Stop
delay is not enabled (OMR Bit 6 = 1)
PLC
× ET
C × PDF +
(20.5
± 0.5) × T
C
12.3
ms
PLL is active during Stop (PCTL Bit 17 = 1) (implies no
Stop delay)
5.5
× T
C
55.0
ns
27
Interrupt Requests Rate
ESAI, SCI
12TC
120.0
ns
DMA
8TC
—80.0
ns
IRQ, NMI (edge trigger)
8TC
—80.0
ns
IRQ, NMI (level trigger)
12TC
120.0
ns
28
DMA Requests Rate
Data read from ESAI, SCI
6TC
—60.0
ns
Data write to ESAI, SCI
7TC
—70.0
ns
IRQ, NMI (edge trigger)
3TC
—30.0
ns
Table 3-7 Reset, Stop, Mode Select, and Interrupt Timing1 (continued)
No.
Characteristics
Expression2
Min
Max
Unit
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