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SX1507QBXXX Datasheet(PDF) 4 Page - Semtech Corporation |
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SX1507QBXXX Datasheet(HTML) 4 Page - Semtech Corporation |
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4 / 42 page  ADVANCED COMMUNICATIONS & SENSING Rev 3 – 9 th Sept. 2010 4 www.semtech.com SX1507QB/SX1508QB/SX1509QB World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine 1 PIN DESCRIPTION 1.1 SX1507QB 4-channel I 2C GPIO with LED Driver Pin Symbol Type Description 1 SDA DIO I 2C serial data line 2 SCL DI I 2C serial clock line 3 NRESET DI Active low reset input 4 NINT DO Active low interrupt output 5 ADDR0 DI Address input bit 0, connect to VDDM or GND 6 ADDR1 DI Address input bit 1, connect to VDDM or GND 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 I2C interface Table 1 – SX1507QB Pin Description Figure 1 – SX1507QB QFN-UT-14 Pinout |
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