參數(shù)資料
型號: ADSP-21371BSWZ-2B
廠商: Analog Devices Inc
文件頁數(shù): 15/48頁
文件大小: 0K
描述: IC DSP 32BIT 266MHZ 208-LQFP
產(chǎn)品培訓(xùn)模塊: SHARC Processor Overview
標(biāo)準(zhǔn)包裝: 1
系列: SHARC®
類型: 浮點
接口: DAI,DPI
時鐘速率: 266MHz
非易失內(nèi)存: ROM(512 kB)
芯片上RAM: 128kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.20V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 208-LQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 208-LQFP-EP(28x28)
包裝: 托盤
ADSP-21371
Interrupts
The following timing specification applies to the FLAG0,
FLAG1, and FLAG2 pins when they are configured as IRQ0,
IRQ1, and IRQ2 interrupts as well as the DAI_P20-1 and
DPI_P14-1 pins when they are configured as interrupts.
Table 17. Interrupts
Parameter
Min
Max
Unit
Timing Requirement
tIPW
IRQx Pulse Width
2 × tPCLK +2
ns
DAI_P20-1
DPI_P14-1
FLAG2-0
(IRQ2-0)
tIPW
Figure 9. Interrupts
Core Timer
The following timing specification applies to FLAG3 when it is
configured as the core timer (CTIMER).
Table 18. Core Timer
Parameter
Min
Max
Unit
Switching Characteristic
tWCTIM
CTIMER Pulse Width
4 × tPCLK – 1
ns
FLAG3
(CTIMER)
tWCTIM
Figure 10. Core Timer
Timer PWM_OUT Cycle Timing
The following timing specification applies to Timer0 and
Timer1 in PWM_OUT (pulse-width modulation) mode. Timer
signals are routed to the DPI_P14–1 pins through the DPI SRU.
Therefore, the timing specifications provided below are valid at
the DPI_P14–1 pins.
Table 19. Timer PWM_OUT Timing
Parameter
Min
Max
Unit
Switching Characteristic
tPWMO
Timer Pulse Width Output
2 × tPCLK – 2
2 × (231 – 1) × tPCLK
ns
DPI_P14-1
(TIMER1-0)
tPWMO
Figure 11. Timer PWM_OUT Timing
Rev. 0
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Page 22 of 48
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June 2007
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