MRF89XA-I/MQ Microchip Technology, MRF89XA-I/MQ Datasheet - Page 26

• Manufacturer Part Number: MRF89XA-I/MQ
• Description: TXRX ISM SUB-GHZ ULP 32QFN
• Manufacturer: Microchip Technology

Specifications of MRF89XA-I/MQ

• Package / Case: 32-WFQFN Exposed Pad
• Frequency: 863MHz ~ 870MHz, 902MHz ~ 928MHz, 950MHz ~ 960MHz
• Data Rate - Maximum: 200kbps
• Modulation Or Protocol: FSK, OOK
• Applications: ISM
• Power - Output: 12.5dBm
• Sensitivity: -113dBm
• Voltage - Supply: 2.1 V ~ 3.6 V
• Current - Receiving: 3mA
• Current - Transmitting: 25mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Number Of Receivers: 1
• Number Of Transmitters: 1
• Wireless Frequency: 863 MHz to 870 MHz, 902 MHz to 928 MHz, 950 MHz to 960 MHz
• Interface Type: SPI
• Noise Figure: - 112 dBc
• Output Power: - 8.5 dBm, + 12.5 dBm
• Operating Supply Voltage: 2.1 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Maximum Data Rate: 256 Kbps
• Maximum Supply Current: 25 mA
• Minimum Operating Temperature: - 40 C
• Modulation: FSK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

2.11.2
Write Byte (before/during TX) - To write bytes into the
FIFO, the timing diagram illustrated in Figure 2-14
should be followed by the host microcontroller.
FIGURE 2-14:
DS70622B-page 26
MRF89XA
Note:
SCK (In)
SDI (In)
SDO (Out)
CSDAT
HZ
(input)
(In)
SPI DATA
It is compulsory to toggle CSDAT back
high between each byte written. The byte
is pushed into the FIFO on the rising edge
of CSDAT.
D1(7)
x
1
D1(6) D1(5) D1(4) D1(3) D1(2) D1(1)
WRITE BYTES SEQUENCE (EXAMPLE DIAGRAM FOR 2 BYTES)
2
x
3
x
1 st byte written
4
x
x
5
x
6
x
7
x
Preliminary
D1(0)
8
x
(input)
HZ
D2(7) D2(6) D2(5) D2(4) D2(3) D2(2) D2(1) D2(0)
x
1
2
x
3
x
2 nd byte written
4
x
© 2010 Microchip Technology Inc.
5
x
6
x
7
x
8
x
x
HZ
(input)