參數(shù)資料
型號(hào)： TMS320E15
廠商： Texas Instruments, Inc.
英文描述： 200mA, 40kHz PWM Control Circuit with 6.4V UVLO Threshold and 48% Max Duty Cycle; Package: SOIC 16 LEAD; No of Pins: 16; Container: Rail; Qty per Container: 48
中文描述： 數(shù)字信號(hào)處理器
文件頁(yè)數(shù)： 112/123頁(yè)
文件大?。?/td> 1205K
代理商： TMS320E15
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6.9.7.3
Sequential Sampling Mode (Single-Channel) (SMODE = 0)
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
ePWM or Other Sources
t
d(SH)
TMS320F2808, TMS320F2806
TMS320F2801, UCD9501
Digital Signal Processors
SPRS230F–OCTOBER 2003–REVISED SEPTEMBER 2005
In sequential sampling mode, the ADC can continuously convert input signals on any of the channels (Ax
to Bx). The ADC can start conversions on event triggers from the ePWM, software trigger, or from an
external ADCSOC signal. If the SMODE bit is 0, the ADC will do conversions on the selected channel on
every Sample/Hold pulse. The conversion time and latency of the Result register update are explained
below. The ADC interrupt flags are set a few SYSCLKOUT cycles after the Result register update. The
selected channels will be sampled at every falling edge of the Sample/Hold pulse. The Sample/Hold pulse
width can be programmed to be 1 ADC clock wide (minimum) or 16 ADC clocks wide (maximum).
Figure 6-23. Sequential Sampling Mode (Single-Channel) Timing
Table 6-39. Sequential Sampling Mode Timing
SAMPLE n
SAMPLE n + 1
AT 12.5 MHz
ADC CLOCK,
t
c(ADCCLK)
= 80 nS
REMARKS
t
d(SH)
Delay time from event trigger to
sampling
Sample/Hold width/Acquisition
Width
Delay time for first result to appear
in Result register
Delay time for successive results to
appear in Result register
2.5t
c(ADCCLK)
t
SH
(1 + Acqps) *
t
c(ADCCLK)
4t
c(ADCCLK)
80 ns with Acqps = 0
Acqps value = 0-15
ADCTRL1[8:11]
t
d(schx_n)
320 ns
t
d(schx_n+1)
(2 + Acqps) *
t
c(ADCCLK)
160 ns
112
Electrical Specifications
相關(guān)PDF資料
PDF描述
TMS320E15-25 200mA, 40kHz PWM Control Circuit with 6.4V UVLO Threshold and 48% Max Duty Cycle; Package: SOIC 16 LEAD; No of Pins: 16; Container: Rail; Qty per Container: 48
TMS320F243FN 200mA, 40kHz PWM Control Circuit with 5.2V UVLO Threshold and 48% Max Duty Cycle; Package: SOIC 16 LEAD; No of Pins: 16; Container: Rail; Qty per Container: 48
TMS320F243PG 200mA, 40kHz PWM Control Circuit with 5.2V UVLO Threshold and 48% Max Duty Cycle; Package: SOIC 16 LEAD; No of Pins: 16; Container: Rail; Qty per Container: 48
TMS320M642AGNZ6 1A, 52kHz (250kHz Max) Current Mode PWM Control Circuit with 16V UVLO Threshold and 48% Max Duty Cycle; Package: SOIC 14 LEAD; No of Pins: 14; Container: Rail; Qty per Container: 55
TMS320M642AGNZ7 1A, 52kHz (250kHz Max) Current Mode PWM Control Circuit with 16V UVLO Threshold and 48% Max Duty Cycle; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Rail; Qty per Container: 98
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMS320E15-25 制造商:TI 制造商全稱:Texas Instruments 功能描述:DIGITAL SIGNAL PROCESSORS
TMS320E15FZA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Digital Signal Processor
TMS320E15FZL 制造商:Rochester Electronics LLC 功能描述:- Bulk
TMS320E15JDA 制造商:Rochester Electronics LLC 功能描述:- Bulk
TMS320E15JDL 制造商:Texas Instruments 功能描述:Digital Signal Processor, 16 Bit, 40 Pin, Ceramic, DIP
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