参数资料
型号: TMR320R2812PBKQ
厂商: Texas Instruments, Inc.
元件分类: 数字信号处理
英文描述: TMS320R2811, TMS320R2812 Digital Signal Processors
中文描述: TMS320R2811,TMS320R2812数字信号处理器
文件页数: 132/147页
文件大小: 2021K
代理商: TMR320R2812PBKQ
Electrical Specifications
132
June 2004
SPRS257
Analog Input on
Channel Ax or Bx
ADC Clock
Sample and Hold
SH Pulse
SMODE Bit
t
dschx_n
t
dschx_n+1
Sample n
Sample n+1
Sample n+2
t
SH
ADC Event Trigger
from EV or Other
Sources
t
d(SH)
Figure 6
36. Sequential Sampling Mode (Single-Channel) Timing
Table 6
41. Sequential Sampling Mode Timing
SAMPLE n
SAMPLE n + 1
AT 25-MHz ADC
CLOCK,
t
c(ADCCLK)
= 40 ns
REMARKS
t
d(SH)
Delay time from event
trigger to sampling
2.5t
c(ADCCLK)
t
SH
Sample/Hold width/
Acquisition width
(1 + Acqps) *
t
c(ADCCLK)
40 ns with Acqps = 0
Acqps value = 0-15
ADCTRL1[8:11]
t
d(schx_n)
Delay time for first result
to appear in the Result
register
4t
c(ADCCLK)
160 ns
t
d(schx_n+1)
Delay time for successive
results to appear in the
Result register
(2 + Acqps) *
t
c(ADCCLK)
80 ns
A
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