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ML7344J датащи(PDF) 66 Page - List of Unclassifed Manufacturers

номер детали ML7344J
подробное описание детали  Sub-GHz band short range wireless transceiver IC
PDF  151 Pages
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производитель  ETC2 [List of Unclassifed Manufacturers]
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ML7344J датащи(HTML) 66 Page - List of Unclassifed Manufacturers

Back Button ML7344J Datasheet HTML 62Page - List of Unclassifed Manufacturers ML7344J Datasheet HTML 63Page - List of Unclassifed Manufacturers ML7344J Datasheet HTML 64Page - List of Unclassifed Manufacturers ML7344J Datasheet HTML 65Page - List of Unclassifed Manufacturers ML7344J Datasheet HTML 66Page - List of Unclassifed Manufacturers ML7344J Datasheet HTML 67Page - List of Unclassifed Manufacturers ML7344J Datasheet HTML 68Page - List of Unclassifed Manufacturers ML7344J Datasheet HTML 69Page - List of Unclassifed Manufacturers ML7344J Datasheet HTML 70Page - List of Unclassifed Manufacturers Next Button
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(3) Channel space setting
Channel space can be set by [CH_SPACE_H: B1 0x23], [CH_SPACE_L: B1 0x24] registers. Hexadecimal
values calculated in the following formula should be set to [CH_SPACE_H: B1 0x23], [CH_SPACE_L: B1
0x24] registers. (MSB->LSB order) When enabling PLL 1/2 division mode by setting PLL_MODE
([PLL_DIV_SET:B1 0x1A(4)])=0b1, calcurated with fref =FMCK1/2 in the following formula.
Channel space is from the center frequency of given channel to adjacent channel center frequency.
Channel space setting value can be calculated using the following formula:
20
2
_
⋅
⎪⎭
⎪
⎬
⎫
⎪⎩
⎪
⎨
⎧
=
ref
sp
f
f
SPACE
CH
(Integer part)
Here
:
_ SPACE
CH
Channel space setting
:
sp
f
Channel space [MHz]
:
ref
f
PLL reference frequency (=master clock frequency : FMCK1)
[Example]
When set channle space to 25kHz (master clock 26MHz), the calculation is as follows.
20
2
26
025
.
0
_
⋅
⎭
⎬
⎫
⎩
⎨
⎧
=
MHz
MHz
SPACE
CH
(Integer part) = 1008 (0x03F0)
[CH_SPACE_H: B1 0x23] = 0x03
[CH_SPACE_L: B1 0x24] = 0xF0



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