MRF89XAM9A-I/RM Microchip Technology, MRF89XAM9A-I/RM Datasheet - Page 46
MRF89XAM9A-I/RM
Manufacturer Part Number
MRF89XAM9A-I/RM
Description
WiFi / 802.11 Modules & Development Tools 915MHz Sub-GHz Transceiver Mod
Manufacturer
Microchip Technology
Datasheet
1.MRF89XAM9A-IRM.pdf
(142 pages)
Specifications of MRF89XAM9A-I/RM
Modulation Type
FSK, OOK
Data Rate Max
200Kbps
Sensitivity
-113dBm
Supply Voltage Range
2.1V To 3.6V
Module Interface
SPI, 4-Wire
Supply Current
25mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MRF89XAM9A-I/RM
Manufacturer:
MICROCHIP
Quantity:
12 000
Part Number:
MRF89XAM9A-I/RM
Manufacturer:
MICROCHI
Quantity:
20 000
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2.16.2
REGISTER 2-18:
DS70622B-page 46
MRF89XA
bit 7
R = Readable bit
-n = Value at POR
r = Reserved
bit 7-4
bit 3-0
R/W-0
POLYPHASE FILTER
CONFIGURATION REGISTER
DETAILS
POLCFV<3:0>: Polyphase Centre Frequency Value bits
These bits indicate the center frequency of the polyphase filter (typically recommended to 100 kHz).
POLCFV<3:0> = 0011
f
Where,
POLCFV is the value in the register
f
f
f
Reserved<3:0>: Reserved bits; do not use
1000 = Reserved (default)
o
c
o
xtal
= 200 kHz * (f
is the center frequency
is the local oscillator frequency
R/W-0
is the crystal oscillator frequency
POLCFV<3:0>
PFCREG: POLYPHASE FILTER CONFIGURATION REGISTER
(ADDRESS:0x11) (POR:0x38)
W = Writable bit
‘1’ = Bit is set
xtal
R/W-1
MHz/12.8 MHz) * (1 + POLCFV)/8
f
o
= 100 kHz (default)
R/W-1
Preliminary
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
—
r
—
r
© 2010 Microchip Technology Inc.
x = Bit is unknown
—
r
—
r
bit 0
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