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SX1504 Datasheet(PDF) 4 Page - Semtech Corporation |
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SX1504 Datasheet(HTML) 4 Page - Semtech Corporation |
4 / 33 page ADVANCED COMMUNICATIONS & SENSING Rev 1 – 3 rd Oct. 2008 www.semtech.com 4 SX1504/SX1505/SX1506 4/8/16 Channel GPIO 1 PIN DESCRIPTION 1.1 SX1504 4-channel GPIO Pin Symbol Type Description 1 NRESET DIO Active low reset 2 SDA DIO I 2C serial data line 3 NC1 - Leave open, not connected 4 SCL DI I 2C serial clock line 5 I/O[0] DIO (*1) I/O[0], at power-on configured as an input 6 I/O[1] DIO (*1) I/O[1], at power-on configured as an input 7 VCC1 P I/O supply voltage 8 GND P Ground Pin 9 I/O[2] DIO (*1) I/O[2], at power-on configured as an input High sink I/O. 10 I/O[3] DIO (*1) I/O[3], at power-on configured as an input High sink I/O. 11 NINT DO Active low interrupt output 12 ADDR DI Address input, connect to VDDM or GND 13 NC2 - Leave open, not connected 14 VDDM P Main supply voltage 15 NC3 - Leave open, not connected 16 NC4 - Leave open, not connected 17 NC7 - Connect to VCC1 18 GND P Ground Pin 19 NC5 - Leave open, not connected 20 NC6 - Leave open, not connected A: Analog D: Digital I: Input O: Output P: Power (*1) This pin is programmable through the I 2C interface Table 1 – SX1504 Pin Description Figure 1 – SX1504 QFN-UT-20 Pinout NRESET SDA NC1 SCL I/O[0] NC3 VDDM NC2 ADDR NINT GND (PAD) |
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