2.4GHz to 2.5GHz 802.11g/b
RF Transceivers with Integrated PA
Table 29. Register 14 (A3:A0 = 1110)
BIT
D13:D11
D10
D9
D8:D7
D6:D0
RECOMMENDED
000
0
1
10
XXXXXXX
DESCRIPTION
Set to recommended value.
Reference Clock Output Divider Ratio. Set 1 to divide by 2 or set 0 to divide by 1.
Reference Clock Output Enable. Set 1 to enable the reference clock output or set 0 to disable.
Set to recommended value.
Crystal-Oscillator Fine Tune. Tunes crystal oscillator over ±20ppm to within ±1ppm.
X = Don’t care.
Table 30. Register 15 (A3:A0 = 1111)
BIT
D13:D12
D11:D10
D9:D0
RECOMMENDED
00
00
0101000101
DESCRIPTION
Set to recommended value.
Receiver I/Q Output Common-Mode Voltage Adjustment. Set D11:D10 = 00: 1.1V,
01: 1.2V, 10: 1.3V, 11: 1.45V.
Set to recommended value.
Table 31. Operating Mode Table
LOGIC PINS
REGISTER
SETTINGS
CIRCUIT BLOCK STATES
MODE
Shutdown
Standby
Rx
Tx
Rx Calibration
Tx Calibration
SHDN
0
0
1
1
1
1
RXTX
0
1
0
1
0
1
D1:D0
(A3:A0 = 0110)
00
00
X0
0X
X1
1X
Rx PATH
Off
Off
On
Off
On
(except LNA)
Off
Tx PATH
Off
Off
Off
On
Upconverters
On (except PA
driver and PA)
PLL, VCO,
LO GEN,
AUTO-TUNER
Off
On
On
On
On
On
CALIBRATION
SECTIONS ON
None
None
None
None
Cal tone, RF phase
shift, Tx filter
AM detector,
Rx I/Q buffers
X = Don’t care.
______________________________________________________________________________________
31
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