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STWBC2-HP датащи(PDF) 44 Page - STMicroelectronics |
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STWBC2-HP датащи(HTML) 44 Page - STMicroelectronics |
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44 / 96 page ![]() 2.2.6.4.2 I/O signal 1. Disabling the pattern generator by setting the LED_BUZZER_<x>_CFG[5] enable bit. 2. Direct controls of the I/O signal through the LED_BUZZER_<x>_IO[1:0] register bits. 2.2.6.5 Configuration register overview Table 33 shows the list of LED configuration registers overview: Table 33. LED configuration registers overview Registers overview Name Description Type Page Offset Reset val. LED_BUZZER_1_CFG Led/Buzzer driver configuration R/W 0 0x22 0x00 LED_BUZZER_1_IO Led/Buzzer I/O State R/W 0 0x23 0x0Y(1) LED_BUZZER_1_PATTERN_L Low byte of pattern R/W 0 0x24 0x00 LED_BUZZER_1_PATTERN_H High byte of pattern R/W 0 0x25 0x00 LED_BUZZER_1_CLK_DIV Clock division R/W 0 0x26 0x00 LED_BUZZER_2_CFG Led/Buzzer driver configuration R/W 0 0x27 0x00 LED_BUZZER_2_IO Led/Buzzer I/O State R/W 0 0x28 0x0Y(1) LED_BUZZER_2_PATTERN_L Low byte of pattern R/W 0 0x29 0x00 LED_BUZZER_2_PATTERN_H High byte of pattern R/W 0 0x2A 0x00 LED_BUZZER_2_CLK_DIV Clock division R/W 0 0x2B 0x00 1. Refer to register definition. 2.2.7 BB-DCDC 2.2.7.1 Overview The BB-DCDC is a digital controller for buck, boost, buck-boost DC to DC conversion. 2.2.7.2 Feature list • Synchronous clocked machine • Uses only comparators as analog resources • Configurable as boost, buck or buck-boost • Run burst, DCM, QR and CCM conversion modes • Detects overload • Can regulate VIN drop • Can limit output current 2.2.7.3 Functional description Here below is shown the group of signals handled by the BB-DCDC. STWBC2-HP Digital AFE functions DS13825 - Rev 1.0 page 44/96 |
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