- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄382635 > TMS320F243PGEQ 16-Bit Digital Signal Processor PDF資料下載
參數(shù)資料
| 型號： | TMS320F243PGEQ |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 16-Bit Digital Signal Processor |
| 中文描述： | 16位數(shù)字信號處理器 |
| 文件頁數(shù)： | 50/116頁 |
| 文件大?。?/td> | 1485K |
| 代理商： | TMS320F243PGEQ |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁當(dāng)前第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁第101頁第102頁第103頁第104頁第105頁第106頁第107頁第108頁第109頁第110頁第111頁第112頁第113頁第114頁第115頁第116頁
TMS320F243, TMS320F241
DSP CONTROLLERS
SPRS064B – DECEMBER 1997 – REVISED FEBRUARY 1999
50
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
analog-to-digital converter (ADC) module
A simplified functional block diagram of the ADC module is shown in Figure 11. The ADC module consists of
a 10-bit ADC with a built-in sample-and-hold (S/H) circuit. A total of 8 analog input channels is available on the
’F243/’F241. Eight analog inputs are provided by way of an 8-to-1 analog multiplexer. Maximum total conversion
time for each ADC unit is 1 s. Reference voltage for the ADC module is 0–5 V and is supplied externally.
Functions of the ADC module include:
The ADC unit can perform single or continuous S/H and conversion operations. When in continuous
conversion mode, the ADC generates two results every 1700 ns (with a 20-MHz clock and a prescale factor
of 1). These two results can be two separate analog inputs.
Two 2-level-deep FIFO result registers
Conversion can be started by software, an external signal transition on a device pin (ADCSOC), or by
certain event manager events.
The ADC control register is double-buffered (with a shadow register) and can be written to at any time. A
new conversion can start either immediately or when the previous conversion process is completed.
In single-conversion mode, at the end of each conversion, an interrupt flag is set and the peripheral interrupt
request (PIRQ) is generated if it is unmasked/enabled.
The result of previous conversions stored in data registers will be lost when a third result is stored in the
2-level-deep data FIFO.
A/D overview
The “pseudo” dual ADC is based around a 10-bit string/capacitor converter with the switched capacitor string
providing an inherent S/H function. (Note: There is only one converter with only one inherent S/H circuit.) This
peripheral behaves as though there are two analog converters, ADC #1 and ADC #2, but in fact, it uses only
one converter. This feature makes the A/D software compatible with the C240’s A/D and also allows two values
(e.g., voltage and current) to be converted almost simultaneoulsy with one conversion request. V
CCA
and V
SSA
pins must be connected to 5 V and analog ground, respectively. Standard isolation techniques must be used
while applying power to the ADC module.
The ADC module, shown in Figure 11, has the following features:
Up to 8 analog inputs, ADCIN00–ADCIN07. The results from converting the inputs ADCIN00–ADCIN07 are
placed in one of the ADCFIFO results registers (see Table 16). The digital value of the input analog voltage
is derived by:
Input Analog Voltage
Digital Value
1024
V
REFHI
V
REFLO
Almost simultaneous measurement of two analog inputs, 1700 ns apart
Single conversion and continuous conversion modes
Conversion can be started by software, an internal event, and/or an external event.
V
REFHI
and V
REFLO
(high- and low-voltage) reference inputs
Two-level-deep digital result registers that contain the digital vaules of completed conversions
Two programmable ADC module control registers (see Table 16)
Programmable clock prescaler
Interrupt or polled operation
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TMS320F243PGES | 16-Bit Digital Signal Processor |
| TMS320C3X | 32-Bit Digital Signal Processor |
| TMS320C4X | Digital Signal Processing Solutions |
| TMS320C6454GTZ7 | Fixed-Point Digital Signal Processor |
| TMS320C6454GTZ | Fixed-Point Digital Signal Processor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMS320F28015PZA | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 32-Bit DSC w/ 32KB Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(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 |
| TMS320F28015PZA | 制造商:Texas Instruments 功能描述:IC DSP 32-BIT CMOS QFP 100PIN PLAS |
| TMS320F28015PZQ | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 32-Bit DSC w/ 32KB Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(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 |
| TMS320F28015PZS | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 32-Bit DSC w/ 32KB Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(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 |
| TMS320F28015ZGMA | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 32B Dig Sig Cntrlr RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(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 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。