cef830g Hope Microelectronics co., Ltd, cef830g Datasheet - Page 86
cef830g
Manufacturer Part Number
cef830g
Description
Rf42/43 Ism Transmitter
Manufacturer
Hope Microelectronics co., Ltd
Datasheet
1.CEF830G.pdf
(113 pages)
- Current page: 86 of 113
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Register 53h. PLL Tune Time
Reset value = 01010010
Register 54h. PA Boost
Reset value = 01010100
Invalid preamble will be evaluated during this period: (invalid_preamble_Threshold x 4) x Bit Rate period.
The total settling time (cold start) of the PLL after the calibration can be calculated as T
Name
Name
Type
Type
Bit
Bit
Bit
7:3
2:0
Bit
7:6
5:2
1
0
Tel: +86-755-82973805
pa_vbias_boost
inv_pre_th[5:2]
Reserved[7:6]
ldo_pa_boost
D7
Reserved[7:6]
D7
pllts[4:0]
Name
Name
pllts0
R/
w
t
D6
D6
PLL Soft Settling Time (T
This register will set the settling time for the PLL from a previous locked
frequency in Tune mode. The value is configurable between 0 μs and 310 μs,
in 10 μs intervals. The default plltime corresponds to 100 μs. See formula
above.
PLL Settling Time (T
This register will set the time allowed for PLL settling after the calibrations are
completed. The value is configurable between 0 μs and 70 μs, in 10 μs steps.
The default pllt0 corresponds to 20 μs. See formula above.
Reserved.
Invalid Preamble Threshold.
LDO PA Boost.
PA VBIAS Boost.
Fax: +86-755-82973550
D5
pllts[4:0]
R/
D5
w
D4
inv_pre_th
R/
O
D4
).
w
E-mail: sales@hoperf.com
S
).
D3
Function
Function
D3
D2
D2
ldo_pa_boost
R F 4 2 / 4 3
http://www.hoperf.com
R/
D1
w
CS
pllts0
D1
R/
= T
w
S
pa_vbias_boost
+ T
O
D0
.
R/
w
D0
86
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