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參數資料
型號: ADSP-BF531SBBZ400
廠商: ANALOG DEVICES INC
元件分類: 數字信號處理
英文描述: Blackfin Embedded Processor
中文描述: 16-BIT, 40 MHz, OTHER DSP, PBGA169
封裝: ROHS COMPLIANT, PLASTIC, MO-034AAG-2, BGA-169
文件頁數: 22/56頁
文件大小: 671K
代理商: ADSP-BF531SBBZ400
Rev. 0
|
Page 22 of 56
|
March 2004
ADSP-BF531/ADSP-BF532/ADSP-BF533
Clock and Reset Timing
Table 15
and
Figure 10
describe clock and reset operations. Per
Absolute Maximum Ratings on Page 20
, combinations of
CLKIN and clock multipliers must not select core/peripheral
clocks in excess of 600/133 MHz.
Table 15. Clock and Reset Timing
Parameter
Timing Requirements
t
CKIN
t
CKINL
t
CKINH
t
WRST
1
Applies to bypass mode and non-bypass mode.
2
Applies after power-up sequence is complete. At power-up, the processor’s internal phase-locked loop requires no more than 2000 CLKIN cycles, while RESET is asserted,
assuming stable power supplies and CLKIN (not including start-up time of external clock oscillator).
Min
Max
Unit
CLKIN Period
CLKIN Low Pulse
1
CLKIN High Pulse
1
RESET Asserted Pulse Width Low
2
25.0
10.0
10.0
11t
CKIN
100.0
ns
ns
ns
ns
Figure 10. Clock and Reset Timing
RESET
CLKIN
t
CKINH
t
CKINL
t
WRST
t
CKIN
相關PDF資料
PDF描述
ADSP-BF531SBST400 Circular Connector Series:97
ADSP-BF532 Blackfin Embedded Processor
ADSP-BF532SBBC400 Blackfin Embedded Processor
ADSP-BF532SBBZ400 Blackfin Embedded Processor
ADSP-BF532SBST400 28-2 (14 Contacts) Pin Insert; For Use With:Amphenol MIL-C-5015 97 Series Circular Connectors; No. of Contacts:14; Gender:Male; Operating Voltage:1250V
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