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SX1510BXXX Datasheet(PDF) 4 Page - Semtech Corporation |
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SX1510BXXX Datasheet(HTML) 4 Page - Semtech Corporation |
4 / 43 page ADVANCED COMMUNICATIONS & SENSING Rev 3 – 9 th Sept. 2010 4 www.semtech.com SX1510B/SX1511B/SX1512B World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine 1 PIN DESCRIPTION 1.1 SX1510B 4-channel SPI GPIO with LED Driver Pin Symbol Type Description 1 SI DI SPI data input 2 SCK DI SPI clock input 3 NRESET DI Active low reset input 4 NINT DO Active low interrupt output 5 SO DO SPI data output (HZ when not used) 6 NSS DI SPI slave select input (active low) 7 I/O[0] DIO (*1) I/O[0], at power-on configured as an input LED driver : Intensity control (PWM), Blinking 8 I/O[1] DIO (*1) I/O[1], at power-on configured as an input LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out) 9 VCC1 P I/O supply voltage 10 GND P Ground Pin 11 I/O[2] DIO (*1) I/O[2], at power-on configured as an input LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out) 12 I/O[3] DIO (*1) I/O[3], at power-on configured as an input LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out) 14 OSCIO DIO (*1) Oscillator input/output, can also be used as GPO 13 VDDM P Main supply voltage D/I/O/P: Digital/Input/Output/Power (*1) This pin is programmable through the SPI interface Table 1 – SX1510B Pin Description Figure 1 – SX1510B QFN-UT-14 Pinout |
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