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HD6473434F16 参数 Datasheet PDF下载

HD6473434F16图片预览
型号: HD6473434F16
PDF下载: 下载PDF文件 查看货源
内容描述: 12伏不能应用于S -掩模模型(单电源规格) ,因为这可能会永久损坏设备。 [12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.]
分类和应用: 外围集成电路微控制器可编程只读存储器时钟
文件页数/大小: 752 页 / 2557 K
品牌: HITACHI [ HITACHI SEMICONDUCTOR ]
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External Clock: If external clock input is selected, FRC increments on the rising edge of the  
FTCI clock signal. Figure 8.5 shows the increment timing.  
The pulse width of the external clock signal must be at least 1.5 system clock (ø) periods. The  
counter will not increment correctly if the pulse width is shorter than 1.5 system clock periods.  
ø
External  
clock  
FRC clock  
pulse  
FRC  
N
N + 1  
Figure 8.5 Increment Timing for External Clock Source  
174  
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