參數(shù)資料
型號(hào)： TMS320LF2406PGES
廠商： Texas Instruments, Inc.
元件分類： 數(shù)字信號(hào)處理
英文描述： DSP CONTROLLERS
中文描述： DSP控制器
文件頁數(shù)： 112/123頁
文件大小： 1205K
代理商： TMS320LF2406PGES
www.ti.com
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMS320LF2406PZA 制造商:Texas Instruments 功能描述:DSP FIX PT 16BIT 30MHZ 30MIPS 100LQFP - Trays
TMS320LF2406PZS 制造商:Texas Instruments 功能描述:
TMS320LF2407APG 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 16-Point Fixed DSP with Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
TMS320LF2407APGEA 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 16-Bit Fixed Point DSP with Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
TMS320LF2407APGEA 制造商:Texas Instruments 功能描述:16BIT DSP FLASH SMD 320LF2407
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