Hardware Interface Description - KORE Telematics
Hardware Interface Description - KORE Telematics
Hardware Interface Description - KORE Telematics
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XT55/56 <strong>Hardware</strong> <strong>Interface</strong> <strong>Description</strong><br />
Confidential / Released<br />
s<br />
Function Signal name IO Signal form and level Comments<br />
Digital Input /<br />
Output<br />
GPS_GPIO14 I/O CMOS 3.3V DC level See Chapter 4.5<br />
Digital Input /<br />
Output<br />
GPS_GPIO15 I/O CMOS 3.3V DC level See Chapter 4.5<br />
GPS Reset GPS_M-RST I CMOS 3.3V DC level Active low reset input<br />
Serial1 Rx GPS_SDI1 I CMOS 3.3V DC level See Chapter 4.6<br />
Serial1 Tx GPS_SDO1 O CMOS 3.3V DC level See Chapter 4.6<br />
Digital Input GPS_BOOTSEL I CMOS 3.3V DC level For re-programming the<br />
Flash must be set to High<br />
Digital Input GPS_RFPC1 I CMOS 3.3V DC level Connect to GPS_GPIO4<br />
including the pull-up<br />
resistors as shown in Figure<br />
58<br />
Digital Input GPS_RFPC0 I CMOS 3.3V DC level Connect to GPS_GPIO8<br />
including the pull-up<br />
resistors as shown in Figure<br />
58<br />
Serial2 Rx GPS_SDI2 I CMOS 3.3V DC level See Chapter 4.6<br />
Serial2 Tx GPS_SDO2 0 CMOS 3.3V DC level See Chapter 4.6<br />
CMOS 3.3V level:<br />
Input High = 2.0 – 3.3 V DC; I_leakage = 2µA<br />
Input Low = 0 – 0.8 V DC, I_leakage = 2µA<br />
Output High = min. 2.4 V DC, I oh = 2mA<br />
Output Low = max 0.4 V DC, I oh = 2mA<br />
XT55/56_hd_v02.06a Page 94 of 125 17.12.2004
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