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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: 37/56頁
文件大小: 671K
代理商: ADSP-BF531SBBZ400
ADSP-BF531/ADSP-BF532/ADSP-BF533
Rev. 0
|
Page 37 of 56
|
March 2004
Timer Cycle Timing
Table 30
and
Figure 23
describe timer expired operations. The
input signal is asynchronous in “width capture mode” and
“external clock mode” and has an absolute maximum input fre-
quency of f
SCLK
/2 MHz.
Table 30. Timer Cycle Timing
Parameter
Timing Characteristics
t
WL
t
WH
Switching Characteristics
t
HTO
1
The minimum pulse widths apply for TMRx input pins in width capture and external clock modes. They also apply to the PF1 or PPI_CLK input pins in PWM output mode.
2
The minimum time for t
HTO
is one cycle, and the maximum time for t
HTO
equals (2
–1) cycles.
Min
Max
Unit
Timer Pulse Width Input Low
1
(Measured in SCLK Cycles)
Timer Pulse Width Input High
1
(Measured in SCLK Cycles)
1
1
SCLK
SCLK
Timer Pulse Width Output
2
(Measured in SCLK Cycles)
1
(2
32
–1)
SCLK
Figure 23. Timer PWM_OUT Cycle Timing
CLKOUT
TMRx
(PWM OUTPUT MODE)
t
HTO
TMRx
(WIDTH CAPTURE AND
EXTERNAL CLOCK MODES)
t
WL
t
WH
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
相關代理商/技術參數
參數描述
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