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LC75863E Scheda tecnica(PDF) 11 Page - Sanyo Semicon Device |
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LC75863E Scheda tecnica(HTML) 11 Page - Sanyo Semicon Device |
11 / 24 page Output Data 1. KD1 to KD30 : Key data When a key matrix of up to 30 keys is formed from the KS1 to KS6 output pins and the KI1 to KI5 input pins and one of those keys is pressed, the key output data corresponding to that key will be set to 1. The table shows the relationship between those pins and the key data bits. When the KS1/S24 and KS2/S25 output pins are selected to be segment outputs by control data bits K0 and K1 and a key matrix of up to 20 keys is formed using the KS3 to KS6 output pins and the KI1 to KI5 input pins, the KD1 to KD10 key data bits will be set to 0. 2. SA : Sleep acknowledge data This output data bit is set to the state when the key was pressed. Also, while DO will be low in this case, if serial data is input and the mode is set (to normal or sleep mode) during this period, that mode will be set. SA will be 1 in sleep mode and 0 in normal mode. Sleep Mode Functions Sleep mode is set up by setting S0 or S1 in the control data to 1. The segment outputs will all go low and the common outputs will also go low, and the oscillator on the OSC pin will stop (it will be started by a key press). This reduces power dissipation. This mode is cleared by sending control data with both S0 and S1 set to 0. However, note that the S1/P1 to S4/P4 outputs can be used as general-purpose output ports according to the state of the P0 to P2 control data bits, even in sleep mode. (See the control data description for details.) No. 7135-11/24 LC75863E, 75863W KI1 KI2 KI3 KI4 KI5 KS1/S24 KD1 KD2 KD3 KD4 KD5 KS2/S25 KD6 KD7 KD8 KD9 KD10 KS3 KD11 KD12 KD13 KD14 KD15 KS4 KD16 KD17 KD18 KD19 KD20 KS5 KD21 KD22 KD23 KD24 KD25 KS6 KD26 KD27 KD28 KD29 KD30 |
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Descrizione simile - LC75863E |
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