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Resistor R110 0 Ohm 0805/1210 is connected between the battery connector pin and the nPM1300 VBAT input. Customers can replace it with a current sense resistor or temporarily remove this resistor for battery current measurements. An ampermeter amperemeter must be connected between TP20 and TP22 in the latter case.
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64MHz oscillators (HFINT) and high accuracy oscillator (HFXO);
32.768 kHz RC oscillator (LFRC) and 32.768 kHz high accuracy oscillator (LFXO).
The RTC uses 32.768 kHz oscillator with an external 32.768 kHz crystal.
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Pulling pin SHPHLD low for 16ms-3s, configured by software, the default value is 96ms. A push button to GND is required.
Applying a voltage on VIN (VBUS) > 3.9V.
2.9.2.
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Pulling pin SHPHLD low for 16ms-3s, configured by software, the default value is 96ms. A push button to GND is required.
Applying a voltage on VIN (VBUS) > 3.9V;
Exiting automatically through the Wake-up timer.
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nRF9151 SOM supports the following bands: B1, B2, B3, B4, B5, B8, B12, B13, B17, B19, B20, B25, B26, B28, B65, B66, B85;
Cat-M1 Maximum transmission bandwidth: 1.4MHz;
Cat-NB1 and Cat-NB2 Maximum transmission bandwidth: 200kHz;
Cat-M1 typical receiver sensitivity at low and mid bands -108dBm and -107dBm respectively;
Cat-NB1 and Cat-NB2 typical receiver sensitivity at low and mid bands -114dBm and -113dBm respectively;
Class 3 and Class 5 maximum output powers 23dBm and 20dBm respectively.
2.10.2.
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License-exempt global band;
Built-in coexistence of multiple networks in the same location;
Flexible, low-latency system and network architectures;
High reliability, using hybrid ARQ;
Possibility of hiding the network, using AES-128 encryption and integrity protection;
Data rate up to 3.4 Mbps, depending on modulation;
The nRF9151 SOM supports NR+ bands 1, 2, and 9.;
Transmission Bandwidth: 1.728MHz;
RX: Sensitivity, modulation MCS1: -103dBm;
TX: Maximum output power: 19dBm.
2.12.2. DECT NR+ coexistence interface
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The Watchdog is one of the function of the nPM1300 timer which are as follows:
Boot monitor;
Watchdog timer;
Wake-up timer;
General purpose timer.
Only one of these functions can be selected at one time.
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The following pictures provide the top and bottom views of the nRF9151 SOM:
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4. Environment Specifications
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