參數(shù)資料
型號: MRF24J40
廠商: Microchip Technology Inc.
英文描述: IEEE 802.15.4⑩ 2.4 GHz RF Transceiver
中文描述: IEEE 802.15.4標(biāo)準(zhǔn)⑩2.4 GHz射頻收發(fā)器
文件頁數(shù): 45/66頁
文件大?。?/td> 748K
代理商: MRF24J40
2006 Microchip Technology Inc.
Advance Information
DS39776A-page 43
MRF24J40
TABLE 10-4:
TRANSMITTER AC CHARACTERISTICS
Typical Values: T
A
= 25°C, V
DD
= 3.3V, LO Frequency = 2.445 GHz
FIGURE 10-1:
EXAMPLE SPI SLAVE MODE TIMING
TABLE 10-5:
EXAMPLE SPI SLAVE MODE REQUIREMENTS
Parameters
Condition
Min
Typ
Max
Units
RF Carrier Frequency
Maximum RF Output Power
RF Output Power Control Range
TX Gain Control Resolution
Carrier Suppression
TX Spectrum Mask for O-QPSK
Signal
TX EVM
TX Noise Floor
2.4
-33
0
2.483
GHz
dBm
dB
dB
dBc
dBm
38.75
1.25
-30
Programmed by register
Offset frequency > 3.5 MHz,
at 0 dBm output power
25
-126
%
dBm/Hz
Param
No.
Symbol
Characteristic
Min
Max Units Conditions
70
71
72
74
75
76
78
80
T
SS
L2
SC
H
T
SC
H
T
SC
L
T
SC
H2
DI
L
T
DO
R
T
DO
F
T
SC
R
T
SC
H2
DO
V,
T
SC
L2
DO
V
CS
to SCK
Input
SCK Input High Time
SCK Input Low Time
Hold Time of SDI Data Input to SCK Edge
SDO Data Output Rise Time
SDO Data Output Fall Time
SCK Output Rise Time (Master mode)
SDO Data Output Valid after SCK Edge
50
50
50
25
TBD
25
25
25
ns
ns
ns
ns
ns
ns
ns
ns
Single Byte
Single Byte
82
T
SS
L2
DO
V
SDO Data Output Valid after CS
Edge
CS
after SCK Edge
TBD = To Be Determined
TBD
ns
83
Legend:
T
SC
L2
SS
H
50
ns
CS
SCK
SDO
71
72
82
SDI
74
75, 76
MSb
bit 6 - - - - - - 1
LSb
77
MSb In
bit 6 - - - - 1
LSb In
80
83
70
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