Multiple Switch Detection Interface with Suppressed Wake-up and 32 mA Wetting Current

The 33975 Multiple Switch Detection Interface with Suppressed Wakeup is designed to detect the closing and opening of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI). The device also

文件：1.71264 Mbytes 页数：32 Pages

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Multiple Switch Detection Interface with Suppressed Wake-up and 32 mA Wetting Current

The 33975 Multiple Switch Detection Interface with Suppressed Wakeup is designed to detect the closing and opening of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI). The device also

文件：1.71264 Mbytes 页数：32 Pages

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Multiple Switch Detection Interface with Suppressed Wake-up and 32 mA Wetting Current

Features • Designed to operate from 5.5 V  VPWR  28 V • Switch input voltage: (33975: -14 to 38 V) (33975A: -14 to 40 V) • Interfaces to microprocessor using 3.3 V/5.0 V SPI protocol • Selectable wake-up on change of state • 14 switch-to-ground inputs • 8 programmable inputs (switches to b

文件：951.39 Kbytes 页数：32 Pages

freescaleFreescale Semiconductor, Inc

飞思卡尔飞思卡尔半导体

Multiple Switch Detection Interface with Suppressed Wake-up and 32 mA Wetting Current

文件：883.86 Kbytes 页数：32 Pages

freescaleFreescale Semiconductor, Inc

飞思卡尔飞思卡尔半导体

Multiple Switch Detection Interface with Suppressed Wake-up and 32 mA Wetting Current

文件：883.86 Kbytes 页数：32 Pages

freescaleFreescale Semiconductor, Inc

飞思卡尔飞思卡尔半导体

Switch Detection Interface, 22-switches, 32mA Suppressed Wakeup, 3.3 V / 5.0 V SPI , SOIC 32

The NXP® MC33975 multiple switch detection interface with suppressed wake-up is designed to detect the closing and opening of up to 22 switch contacts, ideal for automotive and industrial products requiring low sleep state currents.\nThe switch status, open or closed, is transferred to the MPU throu • Designed to Operate 5.5 V ≤ VPWR ≤ 28 V\n• Switch Input Voltage Range -14 V to VPWR, 40 V Max\n• Interfaces Directly to Microprocessor Using 3.3 V/5.0 V SPI Protocol\n• Selectable Wake-Up on Change of State\n• Selectable Wetting Current (32 mA or 4.0 mA for switch-to-ground inputs)\n• 8 Programmab;

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