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BU21078MUV-E2 数据表(PDF) 9 Page - Rohm |
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BU21078MUV-E2 数据表(HTML) 9 Page - Rohm |
9 / 40 page 9/36 BU21072MUV / BU21078MUV / BU21078FV TSZ02201-0L5L0F300640-1-2 © 2012 ROHM Co., Ltd. All rights reserved. www.rohm.com TSZ22111・15・001 14.Jul.2016 Rev.004 【 0x1C : State of IC】 Name: STATE Address: 0x1C Description: This register indicates the state of IC. CALIB : During calibration: This bit is indicates that IC is during calibration. When this bit is "1" , IC is doing calibration. The required time for calibration:About 150msec. Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 0x1C - - - - - - - CALIB R/W - - - - - - - R Initial val. - - - - - - - 0 【 0x1D : Interrupt of PWM continuous flashing】 Name: DETECT_PWM_FINISH Address: 0x1D Description: This register indicates the end of the LED PWM drive. This register has a bit aware of each LED. The logical OR of all bits of this register will be the bit PWM that is included the "Interrupt Source" registers. 1 : Finished LED PWM drive. 0 : Clear. Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 0x1D LED7 LED6 LED5 LED4 LED3 LED2 LED1 LED0 R/W R R R R R R R R Initial val. 0 0 0 0 0 0 0 0 【 0x1E : Read register for operation check of CPU】 Name: RACT Address: 0x1E Description: This register is a read register for operational check of the IC. The value written to the write register for operation check (Address is 0xFE) is copied to this register. Comparing the write value with the read value is equal, CPU and I/F are operating normally. The required time to copy to this register from the write register for operation check:About 20usec. Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 0x1E RACT[7] RACT[6] RACT[5] RACT[4] RACT[3] RACT[2] RACT[1] RACT[0] R/W R R R R R R R R Initial val. 0 0 0 0 0 0 0 0 【 0x85 , 0x8A : Software Reset】 Name: SRST Address: 0x85, 0x8A Description: These registers make a hardware reset. When the value of "0x85" Register is set to 0x55 and the value of "0x8A" Register is set to 0xAA, a hardware reset will be generated. Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 0x85 SRST[7] SRST[6] SRST[5] SRST[4] SRST[3] SRST[2] SRST[1] SRST[0] 0x8A SRST[15] SRST[14] SRST[13] SRST[12] SRST[11] SRST[10] SRST[9] SRST[8] R/W R/W R/W R/W R/W R/W R/W R/W R/W Initial val. 0 0 0 0 0 0 0 0 |
类似零件编号 - BU21078MUV-E2 |
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类似说明 - BU21078MUV-E2 |
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