uc3844n资料 | |
uc3844n |
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file size : 116 kb
manufacturer: description:osc1, osc2 are connected to an rc network or crystal (determined by op- tions) for the internal system clock. in the case of rc operation, osc2 is the output terminal for 1/4 system clock. these two pins also can be optioned as an rtc oscillator (32768hz) or i/o lines. in these two cases, the system clock comes from an internal rc oscillator whose frequency has 4 options (3.2mhz, 1.6mhz, 800khz, 400khz). if the i/o option is selected, the pull-high options also be enabled. otherwise the pc3 and pc4 are used as internal registers (pull-high resistors always disabled). |
1pcs | 100pcs | 1k | 10k | ||
型 号:uc3844n 厂 家: 封 装:0607 批 号:dip/sop 数 量:4435 说 明: |
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运 费: 所在地: 新旧程度: |
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