SI4431-A0-FM Silicon Laboratories Inc, SI4431-A0-FM Datasheet - Page 124

• Manufacturer Part Number: SI4431-A0-FM
• Description: IC TXRX ISM 930MHZ 3.6V 20-QFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4431-A0-FM

• Package / Case: 20-QFN
• Mfg Application Notes: Transitioning SI4430/31 to Rev B
• Frequency: 240MHz ~ 930MHz
• Data Rate - Maximum: 128kbps
• Modulation Or Protocol: FSK, GFSK, OOK
• Power - Output: 13dBm
• Sensitivity: -118dBm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Current - Receiving: 18.5mA
• Current - Transmitting: 28mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Number Of Receivers: 2
• Number Of Transmitters: 1
• Wireless Frequency: 240 MHz to 930 MHz
• Output Power: 13 dBm
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Maximum Supply Current: 28 mA
• Minimum Operating Temperature: - 40 C
• Modulation: FSK, GFSK, OOK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Applications: -
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 336-1633-5

Register 42h. Check Header 0
Register 43h. Header Enable 3
Register 44h. Header Enable 2
Si4431
Reset value = 00000000
Header Enable bytes 3 to 0 control which bits of the Check Header bytes are checked against the corresponding
bits in the Received Header. Only those bits are compared where the enable bits are set to 1.
Reset value = 00000000
Reset value = 00000000
124
Name
Name
Name
Type
Type
Type
Bit
Bit
Bit
7:0
7:0
7:0
Bit
Bit
Bit
hden[31:24]
hden[23:16]
chhd[7:0]
Name
Name
Name
D7
D7
D7
Check Header 0.
1
Header Enable 3.
4
Header Enable 2.
3
st
th
rd
D6
D6
D6
byte of the check header.
byte of the check header.
byte of the check header.
D5
D5
D5
Preliminary Rev. 0.4
D4
D4
D4
hden[31:24]
hden[23:16]
chhd[7:0]
R/W
R/W
R/W
Function
Function
Function
D3
D3
D3
D2
D2
D2
D1
D1
D1
D0
D0
D0