EA01-SG Single Die integrated CMOS PA mass-produced NB-IoT system single chip
[Transmission type]：NB-IoT
[Frequency]：B3 B5 B8
[Tx Power]：20dBm±2dB
[Size]：18.7*16*2.3mm
[Weight]：1.4g
[Introduction]：EA01-SG is currently the world's first Single Die integrated CMOs PA mass-produced NB-IoT system single chip, which directly integrates the commercially available PA on the single Die. It is currently the world's most integrated NB-IoT chip.
| Pin Number | Pin Name | I/O | Description | DC characteristic | Explain |
|---|---|---|---|---|---|
| 4 | LINK-B | DO | Socket1 Connection Status Indication | - | Active low |
| 5 | VDD_EXT | PO | 3V output power supply | Vnom=3V | 80mA max loading |
| 10 | DATA | DO | Socket data receiving and sending indication | - | Active low |
| 11 | LINK-A | DO | Socket0 Connection Status Indication | - | Active low |
| 15 | GNSS_ANT | AI | GPS antenna interface | - | 50 Ω characteristic impedance |
| 16 | SIM_GND | GND | USIM card exclusive land | - | - |
| 17 | 1PPS | DO | Second pulse output, user can set | ||
| frequency, duration and so on by command | - | - | |||
| 18 | SIM_VDD | DO | USIM card power supply | 1.8/3V adaptive | 10mA max loading |
| 19 | SIM_CLK | DO | USIM card clock signal | - | - |
| 20 | SIM_RST | DO | USIM card reset signal | - | - |
| 21 | SIM_DATA | IO | USIM card data signal | - | Add 20K pull-up resistor to data links |
| 22 | TXD_GNSS | DO | GPS serial TXD | - | 2.8V level compatible with 3.3V,Default 9600 bps |
| 23 | RXD_GNSS | DI | GPS serial port RXD | - | 2.8V level compatible with 3.3V,Default 9600 bps |
| 29 | TXD_DBG | DO | Module debugging serial port TXD,reserved | - | Reserved, Suspended is recommended |
| 30 | RXD_DBG | DI | Module debugging serial port RXD,reserved | - | Reserved, Suspended is recommended |
| 33 | RXD | DI | Module data and at serial port RXD | - | 3V voltage domain |
| 34 | TXD | DO | Module Data and at Serial TXD | - | 3V voltage domain |
| 41 | RF_ANT | AI/AO | RF antenna interface | - | 50 Ω characteristic impedance |
| 47 | NETLIGHT | DO | Network Status Indication | - | Residence flash indication |
| 52 | VBKP | PI | RTCAuxiliary Power Input for GPS | - | 3.0V-4.2V |
| 53 | RST/WKUP | DI | Reset/wake-up indicator, active high | VIL=0V | |
| VIHmin=1.2V | |||||
| VIHmax=3.6v | When the pulse width of the high level signal is greater than 100us and less than 5S, it is regarded as a wake-up signal,When the high level signal width is more than 6 seconds, it is regarded as a reset signal.(Internal pull-down resistor) | ||||
| 54 | IO_RST | GND | Restore Factory Parameter | - | Active low |
| 50,51 | VBAT | PI | Module main power supply | Vmax=4.2V | |
| Vmin=3.1V | |||||
| Vnom=3.6V | Supply at least 0.6a current | ||||
| 14,27,31, | |||||
| 40,42,44 | |||||
| ,45,48,49 | GND | GND | Power Ground | - | - |
| 3,6,8,9,12 | |||||
| ,38,39 | RESERVED | - | Reservation | - | Stay in the air |
| 1,2,7,13, | |||||
| 24,25,26, | |||||
| 28,32,35, | |||||
| 36,37,43, | |||||
| 46 | NC | - | Empty Foot | - | - |