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BU21010MUV 数据表(PDF) 10 Page - Rohm |
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BU21010MUV 数据表(HTML) 10 Page - Rohm |
10 / 15 page BU21010MUV Technical Note 10/14 www.rohm.com 2009.04 - Rev.B © 2009 ROHM Co., Ltd. All rights reserved. 【 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 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 F0h SIN7 SIN6 SIN5 SIN4 SIN3 SIN2 SIN1 SIN0 R/W W W W W W W W W Initial val. 0 0 0 0 0 0 0 0 【 F2h : LED Channel Setting】 Name: LED_CH Address: F2h Description: Enables and disables the channels to be used as LED outputs. Valid for the 8 LED outputs.1:Effective 0:Not in use Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 F2h - - - - LED3 LED2 LED1 LED0 R/W - - - - W W W W Initial val. - - - - 0 0 0 0 【 F3h : Idle Exit Condition】 Name: IDLE_CH Address: F3h Description: Defines which channels cause the device to wake up – i.e. go from idle mode to normal operation on a key press. Selection is made on a per channel basis. 1:Effective 0:Not used Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 F3h SIN7 SIN6 SIN5 SIN4 SIN3 SIN2 SIN1 SIN0 R/W W W W W W W W W Initial val. 1 1 1 1 1 1 1 1 【 F5h : LED to Sensor Linkage】 Name: LED_LINK Address: F5h Description: Allows the LED outputs to be automatically linked to the input channels without need for any software control. 1 : It synchronizes with the button. 0 : It synchronizes with data (The register name: DLED) from host. Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 F5h - - - - LED3 LED2 LED1 LED0 R/W - - - - W W W W Initial val. - - - - 1 1 1 1 【 F6h : Sampling Interval and Number of Samples Used for Button Press】 Name: TIMES Address: F6h Description: Defines the sampling interval and number of samples required to recognise as a button press. CONT_T[3:0] : Push and hold judgment time : Governs how long it is before the chip decides it is push and hold. Given by the following equation: Push-Hold Time = system clock x 2 19 x CONT_T (Example: system clock 1[MHz] time : About 520[msec]). SAMP[3:0] : Sampling Interval : Given by the following equation: Sampling interval = system clock x 2 13 x SAMP (Example: system clock 1[MHz] time : About 8.2[msec]). Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 F6h CONT_T[3] CONT_T[2] CONT_T[1] CONT_T[0] SAMP[3] SAMP[2] SAMP[1] SAMP[0] R/W W W W W W W W W Initial val. 0 0 0 0 0 0 0 0 |
类似说明 - BU21010MUV |
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