參數(shù)資料
型號: ADSP-21267SKSTZ-X
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: Preliminary Technical Data
中文描述: 16-BIT, 50 MHz, OTHER DSP, PQFP144
封裝: MS-026BFB, LQFP-144
文件頁數(shù): 20/44頁
文件大小: 454K
代理商: ADSP-21267SKSTZ-X
Rev. PrA
|
Page 20 of 44
|
January 2004
ADSP-21267
PRELIMINARY TECHNICAL DATA
Timer PWM_OUT Cycle Timing
The following timing specification applies to Timer[2:0] in
PWM_OUT (pulse width modulation) mode. Timer signals are
routed to the DAI_P[20:1] pins through the SRU. Therefore, the
timing specifications provided below are valid at the
DAI_P[20:1] pins.
Timer WDTH_CAP Timing
The following timing specification applies to Timer[2:0] in
WDTH_CAP (pulse width count and capture) mode. Timer sig-
nals are routed to the DAI_P[20:1] pins through the SRU.
Therefore, the timing specifications provided below are valid at
the DAI_P[20:1] pins.
Table 13. Timer[2:0] PWM_OUT Timing
Parameter
Switching Characteristic
t
PWMO
Min
Max
Unit
Timer[2:0] Pulse Width Output
2 t
CCLK
2(2
31
– 1) t
CCLK
ns
Figure 12. Timer[2:0] PWM_OUT Timing
DAI_P[20:1]
(TIMER[2:0])
t
PWMO
Table 14. Timer[2:0] Width Capture Timing
Parameter
Timing Requirement
t
PWI
Min
Max
Unit
Timer[2:0] Pulse Width
2 t
CCLK
2(2
31
– 1) t
CCLK
ns
Figure 13. Timer[2:0] Width Capture Timing
DAI_P[20:1]
(TIMER[2:0])
t
PWI
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