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SX1512BIULTRT Datasheet(PDF) 5 Page - Semtech Corporation |
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SX1512BIULTRT Datasheet(HTML) 5 Page - Semtech Corporation |
5 / 37 page ![]() ADVANCED COMMUNICATIONS & SENSING Rev 4 – 26 th April 2011 5 www.semtech.com SX1511B/SX1512B World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine 1.2 SX1512B 16-channel SPI GPIO with LED Driver and Keypad Engine Pin Symbol Type Description 1 I/O[2] DIO (*1) I/O[2], at power-on configured as an input LED driver : Intensity control (PWM), Blinking 2 I/O[3] DIO (*1) I/O[3], at power-on configured as an input LED driver : Intensity control (PWM), Blinking 3 GND P Ground Pin 4 VCC1 P Supply voltage for Bank A I/O[7-0] 5 I/O[4] DIO (*1) I/O[4], at power-on configured as an input LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out) 6 I/O[5] DIO (*1) I/O[5], at power-on configured as an input LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out) 7 I/O[6] DIO (*1) I/O[6], at power-on configured as an input LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out) 8 I/O[7] DIO (*1) I/O[7], at power-on configured as an input LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out) 9 NINT DO Active low interrupt output 10 NSS DI SPI slave select input (active low) 11 OSCIO DIO (*1) Oscillator input/output, can also be used as GPO 12 VDDM P Main supply voltage 13 I/O[8] DIO (*1) I/O[8], at power-on configured as an input LED driver : Intensity control (PWM), Blinking 14 I/O[9] DIO (*1) I/O[9], at power-on configured as an input LED driver : Intensity control (PWM), Blinking 15 I/O[10] DIO (*1) I/O[10], at power-on configured as an input LED driver : Intensity control (PWM), Blinking 16 I/O[11] DIO (*1) I/O[11], at power-on configured as an input LED driver : Intensity control (PWM), Blinking 17 GND P Ground Pin 18 VCC2 P Supply voltage for Bank B I/O[15-8] 19 I/O[12] DIO (*1) I/O[12], at power-on configured as an input LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out) 20 I/O[13] DIO (*1) I/O[13], at power-on configured as an input LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out) 21 I/O[14] DIO (*1) I/O[14], at power-on configured as an input LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out) 22 I/O[15] DIO (*1) I/O[15], at power-on configured as an input LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out) 23 NRESET DI Active low reset input 24 SO DO SPI data output (HZ when not used) 25 SCK DI SPI clock input 26 SI DI SPI data input 27 I/O[0] DIO (*1) I/O[0], at power-on configured as an input LED driver : Intensity control (PWM), Blinking 28 I/O[1] DIO (*1) I/O[1], at power-on configured as an input LED driver : Intensity control (PWM), Blinking D/I/O/P: Digital/Input/Output/Power (*1) This pin is programmable through the SPI interface Table 2 – SX1512B Pin Description Figure 2 – SX1512B QFN-UT-28 Pinout I/O[2] I/O[3] GND VCC1 I/O[4] I/O[5] I/O[6] I/O[14] I/O[13] I/O[12] VCC2 GND I/O[11] I/O[10] TOP VIEW GND (PAD) 21 20 19 18 17 16 15 1 2 3 4 5 6 7 |
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