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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CAP1214 датащи(PDF) 91 Page - Microchip Technology |
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CAP1214 датащи(HTML) 91 Page - Microchip Technology |
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91 / 107 page  Multiple Channel Capacitive Touch Sensor and LED Driver Datasheet SMSC CAP1214 91 Revision 1.0 (08-30-10) DATASHEET 6.53 LED Pulse 2 Period Register The LED Pulse 2 Period Register determines the overall period of a pulse operation as determined by the LED_CTL registers (see Table 6.73 - setting 10b). Each LSB represents 32ms so that a setting of 14h (20d) would represent a period of 640ms. The total range is from 32ms to 4.06 seconds (see Table 6.75). The number of pulses is programmable as determined by the PULSE2_CNT bits (see Section 6.55). The Pulse 2 Behavior is shown in Figure 6.3 (non-inverted polarity LEDx_POL = 1) and Figure 6.4 (inverted polarity LEDx_POL = 0). . . . . . . . . . 7Ch 124 3,968 7Dh 125 4,000 7Eh 126 4,032 7Fh 127 4,064 Table 6.76 LED Pulse 2 Period Register ADDR R/W REGISTER B7 B6 B5 B4 B3 B2 B1 B0 DEFAULT 85h R/W LED Pulse 2 Period - P2_ PER6 P2_ PER5 P2_ PER4 P2_ PER3 P2_ PER2 P2_ PER1 P2_ PER0 14h Figure 6.3 Pulse 2 Behavior with Non-Inverted Polarity Table 6.75 LED Pulse / Breathe Period Example (continued) SETTING (HEX) SETTING (DECIMAL) TOTAL PULSE / BREATHE PERIOD (ms) . . . Normal – untouched operation Normal – untouched operation Touch Detected (100% - Pulse 2 Min Duty Cycle) * Brightness (100% - Pulse 2 Max Duty Cycle) * Brightness X additional pulses after release Release Detected Pulse Period (P2_PER) LED Brightness |
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