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BD2606MVV Datasheet(PDF) 8 Page - Rohm |
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BD2606MVV Datasheet(HTML) 8 Page - Rohm |
8 / 20 page 8/16 BD2606MVV © 2012 ROHM Co., Ltd. All rights reserved. www.rohm.com TSZ22111・15・001 10.Dec.2015 Rev.002 TSZ02201-0G3G0C200400-1-2 (b) Register Table Register Map Address Hex Register name D7 D6 D5 D4 D3 D2 D1 D0 Function 0x00 LEDACNT - - LEDACNT Current setting of ILEDA1/2 0x01 LEDBCNT - - LEDBCNT Current setting of ILEDB1/2 0x02 LEDCCNT - - LEDCCNT Current setting of ILEDC1/2 0x03 LEDPWR CNT - FREQNT 1/0 LEDC2 LEDC1 LEDB2 LEDB1 LEDA2 LEDA1 Current driver ON/OFF control (Note) ‘-’: Invalid at write time ‘-’: ‘L’ at read time Description of Registers LEDACNT (initial value: undefined) --- <Address: 0x00, Data: [D5: D0]> LEDBCNT (initial value: undefined) --- <Address: 0x01, Data: [D5: D0]> LEDCCNT (initial value: undefined) --- <Address: 0x02, Data: [D5: D0]> LED current values are controlled. LEDA1/A2, LEDB1/B2 and LEDC1/C2 are controlled through the registers LEDACNT, LEDBCNT and LEDCCNT respectively, and the current setting can be switched every 2 channels. For the current setting value in each register setting, refer to ‘LED Current Setting Table’ on page 9. LEDA1 (initial value: ‘0) --- <Address: 0x03, Data: D0> LEDA2 (initial value: ‘0) --- <Address: 0x03, Data: D1> LEDB1 (initial value: ‘0) --- <Address: 0x03, Data: D2> LEDB2 (initial value: ‘0) --- <Address: 0x03, Data: D3> LEDC1 (initial value: ‘0) --- <Address: 0x03, Data: D4> LEDC2 (initial value: ‘0) --- <Address: 0x03, Data: D5> The ON/OFF setting of each LED driver channel is as follows: ’0’: OFF ‘1’ :ON FREQCNT (initial value: ‘0) --- <Address: 0x03, Data: D6> The switching frequency of a charge pump is set as follows: ’0’: 1MHz ‘1’: 250kHz When ‘250kHz’ is selected, the flying capacitor of C1, C2 and COUT must be set to 10µF. |
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