Table 3-8 Extern" />
參數(shù)資料
型號(hào): DSP56F803BU80E
廠商: Freescale Semiconductor
文件頁數(shù): 22/52頁
文件大小: 0K
描述: IC DSP 80MHZ 64KB FLASH 100LQFP
特色產(chǎn)品: DSP56F803 Digital Signal Controller
標(biāo)準(zhǔn)包裝: 90
系列: 56F8xx
核心處理器: 56800
芯體尺寸: 16-位
速度: 80MHz
連通性: CAN,EBI/EMI,SCI,SPI
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 16
程序存儲(chǔ)器容量: 71KB(35.5K x 16)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 2.5K x 16
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 托盤
External Clock Operation
56F803 Technical Data, Rev. 16
Freescale Semiconductor
29
Figure 3-10 External Clock Timing
Table 3-8 External Clock Operation Timing Requirements3
Operating Conditions: V
SS = VSSA = 0 V, VDD = VDDA = 3.0–3.6 V, TA = –40° to +85°C
Characteristic
Symbol
Min
Typ
Max
Unit
Frequency of operation (external clock driver)1
1.
See Figure 3-9 for details on using the recommended connection of an external clock driver.
fosc
0—
80
MHz
Clock Pulse Width2, 3
2.
The high or low pulse width must be no smaller than 6.25ns or the chip will not function. However, the high pulse width
does not have to be any particular percent of the low pulse width.
3.
Parameters listed are guaranteed by design.
tPW
6.25
ns
External
Clock
VIH
VIL
Note: The midpoint is VIL + (VIH – VIL)/2.
90%
50%
10%
90%
50%
10%
tPW
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