| 전자부품 데이터시트 검색엔진 |
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SC643EVB 데이터시트(PDF) 20 Page - Semtech Corporation |
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SC643EVB 데이터시트(HTML) 20 Page - Semtech Corporation |
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20 / 26 page ![]() SC643 20 Register Map (continued) MBL4 through MBL0 [D4:D0] These bits are used to set the current for the main back- light current sinks. All enabled current sinks will sink the same current as shown in Table 4. Table 4 — Main Backlight Current Settings MBL4 MBL3 MBL2 MBL1 MBL0 Backlight Current (mA) 00 0 0 0 0 0 0 0 0 1 See note (1) 0 0 0 1 0 See note (1) 0 0 0 1 1 See note (1) 0 0 1 0 0 0.5 00 1 0 1 1 0 0 1 1 0 1.5 00 1 1 1 2 0 1 0 0 0 2.5 01 0 0 1 3 0 1 0 1 0 3.5 01 0 1 1 4 0 1 1 0 0 4.5 01 1 0 1 5 01 1 1 0 6 01 1 1 1 7 10 0 0 0 8 10 0 0 1 9 10 0 1 0 10 10 0 1 1 11 10 1 0 0 12 10 1 0 1 13 10 1 1 0 14 10 1 1 1 15 11 0 0 0 16 11 0 0 1 17 11 0 1 0 18 11 0 1 1 19 11 1 0 0 20 11 1 0 1 21 11 1 1 0 23 11 1 1 1 25 (1) Reserved for future use. Sub Backlight Current Control Register (02h) This register is used to set the currents for the LED drivers designated as sub backlight current sinks. Note these current sinks can be disabled using register 00h or by writing the 0mA value into this register. Bit D5 This bit is unused and is always a zero. |
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