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TMS320F28335ZHHA 参数 Datasheet PDF下载

TMS320F28335ZHHA图片预览
型号: TMS320F28335ZHHA
PDF下载: 下载PDF文件 查看货源
内容描述: 数字信号控制器(DSC ) [Digital Signal Controllers (DSCs)]
分类和应用: 微控制器和处理器外围集成电路数字信号处理器装置PC时钟
文件页数/大小: 195 页 / 2496 K
品牌: TI [ TEXAS INSTRUMENTS ]
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TMS320F28335, TMS320F28334, TMS320F28332  
TMS320F28235, TMS320F28234, TMS320F28232  
SPRS439IJUNE 2007REVISED MARCH 2011  
www.ti.com  
6.6.3 Device Clock Table  
This section provides the timing requirements and switching characteristics for the various clock options  
available. Table 6-4 through Table 6-5 list the cycle times of various clocks.  
Table 6-4. Clocking and Nomenclature (150-MHz Devices)  
MIN  
28.6  
20  
NOM  
MAX UNIT  
tc(OSC), Cycle time  
Frequency  
50  
35  
ns  
MHz  
ns  
On-chip oscillator clock  
XCLKIN(1)  
tc(CI), Cycle time  
Frequency  
6.67  
4
250  
150  
500  
150  
2000  
150  
MHz  
ns  
tc(SCO), Cycle time  
Frequency  
6.67  
2
SYSCLKOUT  
XCLKOUT  
MHz  
ns  
tc(XCO), Cycle time  
Frequency  
6.67  
0.5  
6.67  
MHz  
ns  
tc(HCO), Cycle time  
Frequency  
13.3(3)  
75(3)  
26.7(3)  
37.5(3)  
HSPCLK(2)  
150  
75(4)  
25  
MHz  
ns  
tc(LCO), Cycle time  
Frequency  
13.3  
40  
LSPCLK(2)  
MHz  
ns  
tc(ADCCLK), Cycle time  
Frequency  
ADC clock  
MHz  
(1) This also applies to the X1 pin if a 1.9-V oscillator is used.  
(2) Lower LSPCLK and HSPCLK will reduce device power consumption.  
(3) This is the default value if SYSCLKOUT = 150 MHz.  
(4) Although LSPCLK is capable of reaching 100 MHz, it is specified at 75 MHz since the smallest valid "Low-speed peripheral clock  
prescaler register" value is "2" for 150-MHz devices.  
Table 6-5. Clocking and Nomenclature (100-MHz Devices)  
MIN  
28.6  
20  
10  
4
NOM  
MAX UNIT  
tc(OSC), Cycle time  
Frequency  
50  
35  
ns  
MHz  
ns  
On-chip oscillator clock  
XCLKIN(1)  
tc(CI), Cycle time  
Frequency  
250  
100  
500  
100  
2000  
100  
MHz  
ns  
tc(SCO), Cycle time  
Frequency  
10  
2
SYSCLKOUT  
XCLKOUT  
MHz  
ns  
tc(XCO), Cycle time  
Frequency  
10  
0.5  
10  
MHz  
ns  
tc(HCO), Cycle time  
Frequency  
20(3)  
50(3)  
40(3)  
25(3)  
HSPCLK(2)  
100  
100  
25  
MHz  
ns  
tc(LCO), Cycle time  
Frequency  
10  
40  
LSPCLK(2)  
MHz  
ns  
tc(ADCCLK), Cycle time  
Frequency  
ADC clock  
MHz  
(1) This also applies to the X1 pin if a 1.8-V oscillator is used.  
(2) Lower LSPCLK and HSPCLK will reduce device power consumption.  
(3) This is the default value if SYSCLKOUT = 100 MHz.  
126  
Electrical Specifications  
Copyright © 2007–2011, Texas Instruments Incorporated  
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Product Folder Link(s): TMS320F28335 TMS320F28334 TMS320F28332 TMS320F28235 TMS320F28234  
TMS320F28232  
 
 
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