Board/NGS/NGS1128-DAT/NGS1128-DAT.md
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![](36-15-17-03-04-2023.png)
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+Lead out all the function pins
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+- TXD / RXD / RTS / CTS / DCD / DTR / RI (via logic shifter)
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+- ADC / 1V8 / CS / SI / CLK / SO (SPI)
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+- DIN / DOUT / CLK / SYNC (PCM) / IO5 / USB_BOOT
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+- IO1 / IO3 / U3T / SDA / U2T
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+- IO2 / IO4 / U3R/ SCL / U2R
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+- MCU_BOOT / EXT_3V3 / VBAT / GND / 5V / DM / DP / USB_V
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## Use Guide
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![](27-07-17-14-03-2023.png)
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-### Use GNSS
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-- check at [[SIMCOM-AT-GNSS]]
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-
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-
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-
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-
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-## Demos
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-- Test with ESP32: https://twitter.com/electro_phoenix/status/1635565366595428352
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-
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Board/NGS/NGS1129-DAT/NGS1129-DAT.md
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+
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+# NGS1129 DAT
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+
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+
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+- [[M2M-interface]]
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+
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+
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+### Use GNSS
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+- check at [[SIMCOM-AT-GNSS]]
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+
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+
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+## Demos
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+- Test with ESP32: https://twitter.com/electro_phoenix/status/1635565366595428352
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+
Home.md
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- [[POE-dat]]
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- [[low-power-test-dat]]
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+- [[M2M-interface]]
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## Board-REF
Tech/Interface/M2M-interface.md
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+
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+# M2M Interface
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+
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+## common pin definitions
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+
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+| pin | function |
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+| ---------- | ------------------------------ |
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+| 3v3 or bat | direct system power supply |
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+| vin | external high voltage supply |
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+| gnd | Power Ground |
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+| p_en | on board power chip enable pin |
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+| logic_pwr | logic power level supply |
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+| rx | RXD |
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+| tx | TXD |
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+| boot | M2M module boot pin |
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+| .. | .. |