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LP8866S-Q1 Datasheet(PDF) 44 Page - Texas Instruments |
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LP8866S-Q1 Datasheet(HTML) 44 Page - Texas Instruments |
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44 / 82 page  Table 7-14. BRT_CONTROL Register Field Descriptions Bit Field Type Reset Description 15-0 DISPLAY_BRT R/W 0h Display Brightness Register 7.6.1.2 LED_CURR_CONFIG Register (Offset = 02h) [reset = 0FFFh] LED_CURR_CONFIG is shown in Figure 7-24 and described in Table 7-15. Return to Summary Table. Figure 7-24. LED_CURR_CONFIG Register 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 RESERVED LED_CURRENT R/W-0h R/W-FFFh Table 7-15. LED_CURR_CONFIG Register Field Descriptions Bit Field Type Reset Description 15-12 RESERVED R/W 0h These bits are reserved. 11-0 LED_CURRENT R/W FFFh LED current control for all LED outputs 7.6.1.3 USER_CONFIG1 Register (Offset = 04h) [reset = 8A3h] USER_CONFIG1 is shown in Figure 7-25 and described in Table 7-16. Return to Summary Table. Figure 7-25. GROUPING1 Register 15 14 13 12 11 10 9 8 RESERVED SPREAD_PSE UDO_EN SPREAD_MOD_FREQ SPREAD_RANGE BRT_MODE R/W-0h R/W-0h R/W-0h R/W-2h R/W-0h 7 6 5 4 3 2 1 0 SLOPE_SELECT DITHER_SELECT ADV_SLOPE_E NABLE RESERVED R/W-5h R/W-0h R/W-1h R/W-1h Table 7-16. USER_CONFIG1 Register Field Descriptions Bit Field Type Reset Description 15 RESERVED R/W 0h This bit is reserved. 14 SPREAD_PSEUDO_EN R/W 0h 0h = Pseudo Random SS disabled 1h = Pseudo Random SS enabled 13-12 SPREAD_MOD_FREQ R/W 0h Boost spread spectrum modulation frequency 0h = 200 Hz 1h = 500 Hz 2h = 800 Hz 3h = 1.2 kHz 11-10 SPREAD_RANGE R/W 2h OSC_BST spread spectrum range 0h = 3.3% 1h = 4.3% 2h = 5.3% 3h = 7.2% 9-8 BRT_MODE R/W 0h Select PWM pin or DISPLAY_BRT register for brightness controll 0h = Brightness controlled by PWM input 1h = Reserved 2h = Brightness controlled by DISPLAY_BRT register 3h = Reserved LP8866S-Q1 SNVSBD1A – AUGUST 2020 – REVISED FEBRUARY 2021 www.ti.com 44 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: LP8866S-Q1 |
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