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ISL24202IRTZ-EVALZ Folha de dados(PDF) 10 Page - Intersil Corporation |
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ISL24202IRTZ-EVALZ Folha de dados(HTML) 10 Page - Intersil Corporation |
10 / 12 page ISL24202 10 FN7587.0 March 15, 2011 Up/Down Counter Waveforms The operation modes of the ISL24202 is shown in Table 2. Figure 11 shows the associated waveforms. TABLE 2. ISL24202 OPERATION MODES INPUT OUTPUT CTL CE Counter VCOM_OUT EEPROM XLo No Change X Lo to Hi Ignore first CTL pulse No Change Hi to Mid Hi Decrement Increase No Change Lo to Mid Hi Increment Decrease No Change Mid to >4.9V Hi No Change No Change Write Counter Value to EEPROM >4.9V to Mid Hi Ignore next CTL Pulse No Change XHi to Lo EEPROM Read Value Programmed Value No Change CTL VDD/2 CTL LOW CTL HIGH CE 78 79 7A 7B 7A COUNTER OUTPUT tL_MIN tMTC tH_REJ FIGURE 11. COUNTER INTERFACE TIMING DIAGRAM VCOM tST FIRST PULSE AFTER ASSERTING CE IS AFTER COUNTER ENABLE IS ASSERTED, THE FIRST CTL PULSE IS IGNORED EXAMPLE POST POWER-UP TIMING NOTE: ENABLE ADJUSTMENT AVDD VDD 7B DEASSERTING CE FROM EEPROM ASSUME COUNTER STARTS WITH VALUE 78 VPROG = 4.9V tPROG tH_MIN 7A tL_PROP tH_PROP RELOADS 7B FIRST PULSE AFTER PROGRAMMING IS WRITE 7B TO EEPROM DISABLE ADJUSTMENT ENABLE ADJUSTMENT tREAD tL_REJ IGNORED IGNORED |
Nº de peça semelhante - ISL24202IRTZ-EVALZ |
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Descrição semelhante - ISL24202IRTZ-EVALZ |
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