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| pt2272-l4s/m4s资料 | |
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pt2272-l4s/m4s |
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file size : 116 kb
manufacturer: description:input bus select / i2c clock input. the operation of this pin depends on whether the i2c interface is enabled or disabled. this pin is only 3.3-v tolerant. when i2c is disabled (isel = low), a high level selects the 24-bit input, single-edge input mode. a low level selects the 12-bit input, dual-edge input mode. when i2c is enabled (isel = high), this pin functions as the i2c clock input (see the i2c register descriptions section). in this configuration, this pin has an open-drain output that requires an external 5-kω pullup resistor connected to vdd. dsel / i2c data. the operation of this pin depends on whether the i2c interface is enabled or disabled. this pin is only 3.3-v tolerant. when i2c is disabled (isel = low), this pin is used with bsel and vref to select the single-ended or differential input clock mode (see the universal graphics controller interface modes section). when i2c is enabled (isel = high), this pin functions as the i2c bidirectional data line. in this configuration, this pin has an open-drain output that requires an external 5-kω pullup resistor connected to vdd. edge select / hot plug input. the operation of this pin depends on whether the i2c interface is enabled or disabled. this input is 3.3-v tolerant only. when i2c is disabled (isel = low), a high level selects the primary latch to occur on the rising edge of the input clock idck . a low level selects the primary latch to occur on the falling edge of the input clock idck . this is the case for both single-ended and differential input clock modes. when i2c is enabled (isel = high), this pin monitors the hot plug detect signal (see the dvi or vesa p&d and dfp standards). when used for hot-plug detection, this pin requires a series 1-kω resistor. |
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| 1pcs | 100pcs | 1k | 10k | ||
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型 号：pt2272-l4s/m4s 厂 家： 封 装：0630 批 号：smd 数 量：27040 说 明： |
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运 费： 所在地： 新旧程度： |
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