參數(shù)資料
型號(hào)： THS14F03EVM
廠商： Texas Instruments, Inc.
英文描述： THS14F03EVM(THS14F03評(píng)估板)
中文描述： THS14F03EVM（THS14F03評(píng)估板）
文件頁(yè)數(shù)： 32/39頁(yè)
文件大?。?/td> 523K
代理商： THS14F03EVM
Read Block Function
3-15
Circuit Description
/* read block of samples from THS140x and store in pData. */
/* ulCount = length of block */
/* callback = address of callback fctn called upon end of block transfer
*/
void ths140x_rblock(void *pData, unsigned long ulCount, void (*callback)
(void *))
{
/* store parameters to make them available to isr */
pRData = pData;
r_callback = callback;
uiRCount = ulCount;
iDMACtrl = DMA_CTRL_VALUE;
/* if FIFO is used, divide block transfer into segments */
/* of the size of the FIFO trigger level */
if (ADC_CTRL & 0x10)
{
uiThreshold = (ADC_CTRL & 0xF) * 2;
iDMACtrl |= 0x04000000; /* whole frame synchronized with RSYNC */
}
else
uiThreshold = ulCount;
/* calculate DMA segment size */
if (uiRCount < uiThreshold)
uiDCount = uiRCount;
else
uiDCount = uiThreshold;
*(int*) DMA_TCT = 0x00020000 | uiDCount;
*(int*) DMA_SRC = (int) ADC_RES_ADDR;
*(int*) DMA_DST = (int) pRData;
*(int*) DMA_CTRL2 = 0x00000008;
*(int*) DMA_CTRL = iDMACtrl;
HWI_enable();
CSR |= 1;
IER |= 0x0103;
}
/* pData is the sample buffer */
int pData[1024];
/* iDone is the semaphore to synchronize the ISR function with the main
*/
/* thread. The semaphore is set by the callback function */
volatile int iDone;
/* this function is called upon completion of a block transfer. */
/* It is part of the driver interrupt service routine and */
/* therefore time critical */
void callback(void *p)
{
iDone = 1;
}
/* main routine called after system initialization */
main()
{
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
THS14F03IPFB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-bit 3 MSPS with 32-word FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
THS14F03IPFBG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-bit 3 MSPS with 32-word FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
THS14-THS18-D 制造商:Thomas & Betts 功能描述:CATAMOUNT CABLE TIES
THS15 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EURO TERMINAL BLOCKS
THS15100RJ 功能描述:線繞電阻器 - 底架安裝 THS15 100R 5% RoHS:否 制造商:Vishay/Dale 電阻:7 Ohms 容差:1 % 功率額定值:100 W 溫度系數(shù):50 PPM / C 系列:RH 工作溫度范圍:- 55 C to + 250 C 尺寸:46.02 mm Dia. x 46.02 mm W x 88.9 mm L x 44.45 mm H 封裝:Bulk 產(chǎn)品:Power Resistors Wirewound Aluminum Housed
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