MRF89XAT-I/MQ Microchip Technology, MRF89XAT-I/MQ Datasheet - Page 24
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MRF89XAT-I/MQ
Manufacturer Part Number
MRF89XAT-I/MQ
Description
RF ISM BAND TXRX 32 QFN
Manufacturer
Microchip Technology
Series
-r
Datasheet
1.MRF89XA-IMQ.pdf
(142 pages)
Specifications of MRF89XAT-I/MQ
Frequency
863MHz ~ 870MHz, 902MHz ~ 928MHz, 950MHz ~ 960MHz
Data Rate - Maximum
200 kbps
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
Memory Size
*
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Rf Ic Case Style
QFN
No. Of Pins
32
Svhc
No SVHC (20-Jun-2011)
Rohs Compliant
Yes
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
MRF89XAT-I/MQTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MRF89XAT-I/MQ
Manufacturer:
MICROCHIP
Quantity:
12 000
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2.11.1
Write Register - To write a value into a Configuration
register, the timing diagram illustrated in Figure 2-12
should be followed by the host microcontroller. The
new value of the register is effective from the rising
edge of CSCON.
FIGURE 2-12:
DS70622B-page 24
MRF89XA
Note:
CSCON (In)
SCK (In)
SDI (In)
SDO (Out)
SPI CONFIG
When writing more than one register suc-
cessively, it is not compulsory to toggle
CSCON back high between two write
sequences. The bytes are alternatively
considered as address and value. In this
instance, all new values will become effec-
tive on rising edge of CSCON.
(input)
HZ
* when writing the new value at address A1, the current content of A1 can be read by the µC.
start
1
x
WRITE REGISTER SEQUENCE
rw
2
x
A(4)
3
x
A(3)
Address = A1
4
x
(In)/(Out) refers to MRF89XA side
A(2)
5
x
A(1)
6
x
Preliminary
A(0)
7
x
stop
8
x
D(7) D(6) D(5)
D(7)
9
D(6) D(5)
10
11
Current value at
New value at
address A1
address A1*
D(4) D(3)
D(4) D(3)
12
13
© 2010 Microchip Technology Inc.
D(2) D(1)
D(2) D(1)
14
15
D(0)
16
D(0)
(input)
HZ
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