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MC17XSF500EK Datasheet(PDF) 6 Page - Freescale Semiconductor, Inc |
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MC17XSF500EK Datasheet(HTML) 6 Page - Freescale Semiconductor, Inc |
6 / 70 page Analog Integrated Circuit Device Data 6 Freescale Semiconductor MC17XSF500 3 Pin Connections 3.1 Pinout Diagram Figure 3. 17XSF500 Pinout Diagram 3.2 Pin Definitions Table 2. 17XSF500 Pin Definitions Pin Number Pin Name Pin Function Formal Name Definition 1 CP Internal supply Charge Pump This pin is the connection for an external capacitor for charge pump use only. 2 RSTB SPI Reset This input pin is used to initialize the device configuration and fault registers, as well as place the device in a low-current sleep mode. This pin has a passive internal pull-down. 3 CSB SPI Chip Select This input pin is connected to a chip select output of a master microcontroller (MCU). When this digital signal is high, SPI signals are ignored. Asserting this pin low starts a SPI transaction. The transaction is indicated as completed when this signal returns to a high level. This pin has a passive internal pull-up to VCC through a diode. 4 SCLK SPI Serial Clock This input pin is connected to the MCU providing the required bit shift clock for SPI communication. This pin has a passive internal pull-down. 5 SI SPI Serial input This pin is the data input of the SPI communication interface. The data at the input is sampled on the positive edge of the SCLK. This pin has a passive internal pull-down. 6 VCC Power Supply MCU Power Supply This pin is a power supply pin is for internal logic, the SPI I/Os, and the OUT6 driver. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 Transparent Top View CP RSTB CSB SCLK SI VCC SO OUT6 GND NC NC GND OUT5 OUT5 OUT3 OUT3 OUT3 OUT1 OUT1 CSNS CSNS SYNCB IN1 IN2 IN3 IN4 LIMP CLK VPWR OUT4 OUT4 OUT2 OUT2 OUT4 33 |
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