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BU97941FV-LBE2 Datasheet(PDF) 11 Page - Rohm |
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BU97941FV-LBE2 Datasheet(HTML) 11 Page - Rohm |
11 / 26 page Datasheet Datasheet 11/23 TSZ02201-0P4P0D300500-1-2 26.Feb.2014 Rev.002 www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 BU97941FV-LB MAX 104 segments (SEG26×COM4) 3. Address set command (ADSET) MSB LSB MSB D/C D6 D5 D4 D3 D2 D1 D0 Hex Reset 1st byte Command 1 0 0 0 0 0 1 1 83h - 2nd byte Command 0 0 0 P4 P3 P2 P1 P0 - 00h Sets the starting RAM address for normal display. Address can be set from 00h to 1Bh. Setting is prohibited for addresses not written above. Address during Reset is 00h. When writing to RAM, a separate RAM WRITE setting is needed. 4. LED control command (LEDCTL) MSB LSB MSB D/C D6 D5 D4 D3 D2 D1 D0 Hex Reset 1st byte Command 1 0 0 0 0 1 0 1 85h - 2nd byte Command 0 0 0 0 P3 P2 P1 P0 - 00h Sets the driver of the LED port. Setting during Reset is 00h. The relationship between each parameter and the Drive board is as follows: LED1 P0 LED2 P1 LED3 P2 LED4 P3 LED ON 1 1 1 1 LED OFF 0 0 0 0 (Note) Please input CSB="H" after LEDCTL command is issued. To avoid noise and reset interface. 5. RAM WRITE command (RAMWR) MSB LSB D/C D6 D5 D4 D3 D2 D1 D0 Hex Reset 1st byte Command 1 0 1 0 0 0 0 0 A0h - 2nd byte Command Display data Random ・・・・ n th byte Command Display data Random The input data after command setting is the data input for display. Be sure to send this command after setting the ADSET command. The display data is transferred per 4bit. (For details, see “Write and Transfer Method of Display Data.”) 6. All Pixel ON command (APON) MSB LSB D/C D6 D5 D4 D3 D2 D1 D0 Hex Reset 1st byte Command 1 0 0 1 0 0 0 1 91h - Regardless of the contents of DDRAM, the SEG output will enter all light up mode. (Pin that selects SEG output) |
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