SI4432
گیرنده و فرستنده دیتا
433MHZ
مشخصات فنی
SI4432 digital module design working frequency is 470 MHZ, the rf part, reached the highest emission efficiency harmonic minimum, make the SI4432 radio module to the outside equipment of radio frequency interference to a minimum, at the same time, it is not susceptible to interference from other equipment, greatly improve the stability of the work. The maximum transmission power module in 19.6 DBM, receiving sensitivity of 113 DBM for rate test (9.6 K), measured with spring antenna distance is about 1000 meters, an external 5 db cylindrical antenna distance can reach 1600 meters, pin spacing is 1.27 mm, make the PCB design is smaller.
Characteristics:
- Frequency range: 470MHZ
- Sensitivity: -113dBm(1.2Kbps)
- Maximum output power: 100mA@19.6dBm
- Data transfer rate: 0.123-256KBPS
- Modulation mode: FSK, GFSK and baton
- Power supply: 1.8-3.6V
- Ultra low power off mode
- Digital received signal strength indicator (RSSI)
- Timing, wake up function
- Antenna automatic matching and two-way switch control
- Configurable packet structure
- Synchronization signal detection
- 64 bytes send and receive data register (FIFO)
- Low power test
- Temperature sensor, and 8 bits of adc
- Pperating temperature range: -20~60 C
- Integrated voltage regulator
- Frequency hopping function
- Power on reset function
- Built-in crystal error adjustment function
Pin Connections:
1 CND power supply
2 GPIO0 internal module, launch control foot
3 GPI01 internal access module to accept control foot
4 GPIO2 directly connected to the chip GIIO2 pin
5 VCC positive supply 3.3V
6 SDO 0-VDD V digital output provides a serial readback function of the internal control register
7 SDI serial data input. 0-VDD V digital input, this pin for 4-wire serial data clock function
8 SCLK serial clock input. 0-VDDV last month set of inputs. This pin provides a 4-wire serial data clock function
9 NSEL serial interface select input pin,0-VDDV digital input. This pin to 4-wire serial data bus select / enable function, this signal is also used, said the burst read / write mode.
10 NIRQ interrupt output pin
11 SDN Close the input pin. Input 0-VDDV digital. SDN = 0 in shutdown mode, so mode
12 GND access power ground
13 ANT 50 ohm coaxial antenna
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