RFM70-D QUASAR, RFM70-D Datasheet - Page 14

• 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

Tdc
Tdh
Tcsd
Tcd
Tcl
Tch
Fsck
Tr,Tf
Tcc
Tcch
Tcwh
Tcdz
Cn: SPI command bit
Sn: STATUS register bit
Dn: Data Bit (LSB byte to MSB byte, MSB bit in each byte first)
Note: The SPI timing is for bank 0 and register 9 to 14 at bank 1. For register 0 to 8 at bank 1, the byte
order is inversed that the MSB byte is R/W before LSB byte.
Symbol
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Parameters
Data to SCK Setup
SCK to Data Hold
CSN to Data Valid
SCK to Data Valid
SCK Low Time
SCK High Time
SCK Frequency
SCK Rise and Fall
CSN to SCK Setup
SCK to CSN Hold
CSN Inactive time
CSN to Output High Z
Figure 7 SPI NOP timing diagram
Table 3 SPI timing parameter
Min
10
40
40
50
2
0
2
2
Max
100
38
55
38
8
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RFM70
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V1.0
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