RFM70-D QUASAR, RFM70-D Datasheet - Page 16

• Manufacturer Part Number: RFM70-D
• Description: MODULE, TRANSCEIVER, DIP, 2.4GHZ
• Manufacturer: QUASAR

Specifications of RFM70-D

• Modulation Type: GFSK
• Data Rate Max: 2Mbps
• Frequency Range: 2.4GHz To 2.527GHz
• Sensitivity: -85dBm
• Supply Voltage Range: 1.9V To 3.6V
• Supply Current: 23mA
• Interface Type: SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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SETUP_AW
Reserved
AW
SETUP_RETR
ARD
ARC
RF_CH
Reserved
RF_CH
RF_SETUP
Reserved
RF_DR
RF_PWR[1:0]
LNA_HCURR
STATUS
RBANK
7:2
1:0
7:4
3:0
7
6:0
7
6
5
4
3
2:1
0
7
0000010
000000
0000
0011
11
11
0
0
0
1
1
1
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
Setup of Address Widths
(common for all data pipes)
Only '000000' allowed
RX/TX Address field width
'00' - Illegal
'01' - 3 bytes
'10' - 4 bytes
'11' - 5 bytes
LSB bytes are used if address width is
below 5 bytes
Setup of Automatic Retransmission
Auto Retransmission Delay
„0000‟ – Wait 250 us
„0001‟ – Wait 500 us
„0010‟ – Wait 750 us
„1111‟ – Wait 4000 us
(Delay defined from end of transmission to
start of next transmission)
Auto Retransmission Count
„0000‟ –Re-Transmit disabled
„0001‟ – Up to 1 Re-Transmission on fail
„1111‟ – Up to 15 Re-Transmission on fail
of AA
RF Channel
Only '0' allowed
Sets the frequency channel
RF Setup Register
Reserved
Reserved
Reserved
Reserved
Air Data Rate
„0‟ – 1Mbps
„1‟ – 2Mbps
Set RF output power in TX mode
RF_PWR[1:0]
'00' – -10 dBm
'01' – -5 dBm
'10' – 0 dBm
'11' – 5 dBm
Setup LNA gain
0:Low gain(20dB down)
1:High gain
Status Register (In parallel to the SPI
command word applied on the MOSI pin,
the STATUS register is shifted serially out
on the MISO pin)
Register bank selection states. Switch
register bank is done by SPI command
“ACTIVATE” followed by 0x53
0: Register bank 0
……..
of AA
……
RFM70
V1.0
16