- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄1917 > DSP56F801FA80E (Freescale Semiconductor)IC DSP 60MHZ 16KB FLASH 48-LQFP PDF資料下載
參數(shù)資料
| 型號： | DSP56F801FA80E |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 17/48頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DSP 60MHZ 16KB FLASH 48-LQFP |
| 標準包裝： | 250 |
| 系列： | 56F8xx |
| 核心處理器： | 56800 |
| 芯體尺寸： | 16-位 |
| 速度： | 80MHz |
| 連通性： | SCI，SPI |
| 外圍設備： | POR，PWM，WDT |
| 輸入/輸出數(shù)： | 11 |
| 程序存儲器容量： | 20KB（10K x 16） |
| 程序存儲器類型： | 閃存 |
| RAM 容量： | 2K x 16 |
| 電壓 - 電源 (Vcc/Vdd)： | 3 V ~ 3.6 V |
| 數(shù)據(jù)轉換器： | A/D 8x12b |
| 振蕩器型： | 內部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 48-LQFP |
| 包裝： | 托盤 |
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頁當前第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
56F801 Technical Data, Rev. 17
24
Freescale Semiconductor
is designed to have no external load capacitors present. As shown in Figure 3-8 no external load capacitors
should be used.
The 56F80x components internally are modeled as a parallel resonant oscillator circuit to provide a
capacitive load on each of the oscillator pins (XTAL and EXTAL) of 10pF to 13pF over temperature and
process variations. Using a typical value of internal capacitance on these pins of 12pF and a value of 3pF
as a typical circuit board trace capacitance the parallel load capacitance presented to the crystal is 9pF as
determined by the following equation:
This is the value load capacitance that should be used when selecting a crystal and determining the actual
frequency of operation of the crystal oscillator circuit.
Figure 3-7 External Crystal Oscillator Circuit
3.5.2
Ceramic Resonator
It is also possible to drive the internal oscillator with a ceramic resonator, assuming the overall system
design can tolerate the reduced signal integrity. In Figure 3-8, a typical ceramic resonator circuit is
shown. Refer to supplier’s recommendations when selecting a ceramic resonator and associated
components. The resonator and components should be mounted as close as possible to the EXTAL and
XTAL pins. The internal 56F80x oscillator circuitry is designed to have no external load capacitors
present. As shown in Figure 3-7 no external load capacitors should be used.
Figure 3-8 Connecting a Ceramic Resonator
Note:
Freescale recommends only two terminal ceramic resonators vs. three terminal resonators
(which contain an internal bypass capacitor to ground).
CL =
CL1 * CL2
CL1 + CL2
+ Cs =
+ 3 = 6 + 3 = 9pF
12 * 12
12 + 12
Recommended External Crystal
Parameters:
Rz = 1 to 3 MΩ
fc = 8MHz (optimized for 8MHz)
EXTAL XTAL
Rz
fc
Recommended Ceramic Resonator
Parameters:
Rz = 1 to 3 MΩ
fc = 8MHz (optimized for 8MHz)
EXTAL XTAL
Rz
fc
相關PDF資料 |
PDF描述 |
|---|---|
| DSP56F802TA80E | IC DSP 60MHZ 16KB FLASH 32-LQFP |
| DSP56F803BU80E | IC DSP 80MHZ 64KB FLASH 100LQFP |
| DSP56F805FV80E | IC DSP 80MHZ 64KB FLASH 144LQFP |
| DSP56F807VF80E | IC DSP 80MHZ 60K FLASH 160-BGA |
| DSP56F826BU80 | IC DSP 80MHZ 64KB FLASH 100LQFP |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DSP56F801FA80E | 制造商:Freescale Semiconductor 功能描述:IC |
| DSP56F801PB | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:16-bit Digital Signal Processor |
| DSP56F802 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
| DSP56F802PB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:56F802 16-Bit Hybrid Controller Product Brief |
| DSP56F802TA60 | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 60Mhz/30MIPS 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 安裝風格:SMD/SMT |
發(fā)布緊急采購，3分鐘左右您將得到回復。