BU21010MUV-E2 Rohm Semiconductor, BU21010MUV-E2 Datasheet
BU21010MUV-E2
Specifications of BU21010MUV-E2
Related parts for BU21010MUV-E2
BU21010MUV-E2 Summary of contents
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... Capacitive Sensor Switch Control IC BU21010MUV ●Description BU21010MUV are the capacitive sensor controller with 8 channels respectively. Half of sensor ports are available to use to LED driver. Also gesture function can recognize the short touch, long touch and finger motion. ●Features 1) Gesture function 2) LED driver 3) 2 wire serial interface 4) Power supply = 2 ...
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... BU21010MUV ●Electrical characteristics（Especially, Topr=25℃ and AVDD=DVDD=0 as long as it doesn't specify it.） PARAMETER SYMBOL H INPUT VOLTAGE V DVDDx0.8 IHIO L INPUT VOLTAGE V ILIO Output "H" voltage V DVDD-0.7 OHIO V OLLED V OLTXD Output "L" voltage V OLINT Input leakage current I IZ Off leakage current I OZ ...
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... BU21010MUV ●Block Diagram, Pin configuration AVDD DVDD SREF Data correction and Sensor I/F CV ADC translate circuit SIN[7:0] SCL Conversion Data register sequence control SDA host I/F Clock Reset SDN generation generation CR oscill ation GND ・Sensor I/F CV translate circuit This module selects between sensor inputs. The selection sequences between all 16 channels. ...
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... BU21010MUV ●Pin Description Pin Name I/O No. Communication data sending and 1 SDA In/Out receiving Communication synchronous clock 2 SCL In input 3 INT Out Output of interrupt 4 SDN In Shutdown input 5 SREF AIn Standard capacitor input 6 SIN0 AIn sensor input0 7 GND Ground Analog and digital ground 8 SIN1/LED0 AIn/Out sensor input 1 / LED control output 0 ...
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... BU21010MUV ●HOST I/F ・ 2 wire serial, BUS Slave mode only Slave Address = 5Eh Normal （Normal mode. 100kHz Transfer rate） Fs mode (Fast mode. 400kHz Transfer rate) also. Not adapting sequential read / write. 【Data format】 t HD;STA SDA SCL START Address Parameter ...
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... BU21010MUV ●Register map Address Register name 1*h SENS_DATA 32h BTN 35h BTN_STATE 4*h OFFSET 60h, 61h GES_VEL 62h GES_DIR E2h GES_CLR E3h GES_CTL E4h GES_CLK E5h GES_TIMEOUT EEh CALIB EFh DONE F0h SENS_CH F2h LED_CH F3h IDLE_CH F5h LED_LINK F6h TIMES ...
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... BU21010MUV 【1*h : Sensor Output Data】 Name: SENS_DATA Address (one byte per sensor channel) Description: The sensor output that converts to 10bit. Scaling, offsets and filtering (when enabled) are applied. The most significant 8 bits are presented to the software with this register. Bit7 ...
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... BU21010MUV 【62h : Gesture Direction Judgment】 Name: GES_DIR Address: 62h Description: Gesture direction judgment DIR_A : gesture direction A 0xE3(GES_CTL) reference DIR_B : gesture direction B 0xE3(GES_CTL) reference Bit7 Bit6 62h - - R Initial val 【E2h : Gesture Clear】 Name: GES_CLR Address: E2h Description: This register when written to clears GES_VEL and GES_DIR. ...
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... BU21010MUV 【E4h : Gesture Clock Setting】 Name: GES_CLK Address: E4h Description: This register allows setting of the time base for the gesture detection. It sets a divide ratio of the clock used. The maximum judgment time and the sampling interval of the gesture can be set by changing this clock. ...
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... BU21010MUV 【F0h : Sensor Channel Setting】 Name: SENS_CH Address: F0h Description: Individual enabling and disabling of sensor channels. 1：Effective 0：Not in use Bit7 Bit6 F0h SIN7 SIN6 R Initial val 【F2h : LED Channel Setting】 Name: LED_CH Address: F2h Description: Enables and disables the channels to be used as LED outputs. ...
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... BU21010MUV 【F7h : Button OFF→ON Threshold】 Name: TH_ON2 Address: F7h Description: A second threshold value for determining a button off→on judgment of sensor. The sensor output value of 8bit (register SENS_DATA) is compared with 128+ ON2 [6:0], and larger, the button is determined active. Bit7 ...
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... BU21010MUV 【FCh: Switch OFF -> ON Threshold】 Name: TH_ON Address: FCh Description: This register provides a threshold value for determining if a sensor has transitioned from OFF to ON. This is relative value from reference value (128d). So the absolute value of threshold is 128d + ON[6:0]. It makes a threshold value between TH_ON and TH_OFF. ...
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... BU21010MUV ●Operation mode This IC has a normal mode, idle mode and a shutdown mode as states of operation. 【Normal mode】 This is the normal operation of the device. Output pin INT="L". 【Idle mode】 This is the mode when the normal mode times out due to inactivity on the keys. In this mode the control interface is still alive ...
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... BU21010MUV ●Ordering part number Part No Part No VQFN016V3030 3.0±0.1 1PIN MARK 0.08 S 1.4±0.1 C0.2 0 +0.05 0.25 0.75 –0.04 www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved Package MUV : VQFN016V3030 <Tape and Reel information> Tape Embossed carrier tape Quantity 3000pcs E2 Direction ...
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