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ML7344CE Datasheet(PDF) 67 Page - LAPIS Semiconductor Co., Ltd.

No. de pieza ML7344CE
Descripción Electrónicos  Sub-GHz(160MHz to 510MHz) band short range wireless transceiver IC
PDF  154 Pages
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Fabricante Electrónico  LAPIS [LAPIS Semiconductor Co., Ltd.]
Página de inicio  http://www.lapis-semi.com/
Logo LAPIS - LAPIS Semiconductor Co., Ltd.

ML7344CE Datasheet(HTML) 67 Page - LAPIS Semiconductor Co., Ltd.

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FEDL7344C/E/J-05
ML7344C/E/J
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●IF frequency setting
IF frequency is 200kHz. IF frequency corresponds to each oepration frquency must be selected as below.
Operating Frequency
169MHz
(ML7344E)
315 to 450MHz
(ML7344J)
470 t0 510MHz
(ML7344C)
PLL division setting
[PLL_DIV_SET:B1 0x1A]
0x10
0x00
IF frequency setting
[IF_FREQ_H/L:B0 0x54-55]
0x1F81
0x0FC0
IF frequency setting value can be calculated using the following formula:
20
2
)
2
/
(
_
⋅
⎪⎭
⎪
⎬
⎫
⎪⎩
⎪
⎨
⎧
=
ref
IF
f
f
FREQ
IF
(Integer part)
Here
FREQ
IF _
: IF frequency setting
:
IF
f
IF frequency [MHz]
:
ref
f
PLL reference frequency (=master clock frequency: FMCK1)
[Example] ML7344C/J
IF_FREQ= {(0. 2MHz / 2) / 26MHz} * 220 (Integer part) = 4032 (0x0FC0)
[IF_FREQ_H: B0 0x54] = 0x0F
[IF_FREQ_L: B0 0x55] = 0xC0
[Example] ML7344E
IF_FREQ= {(0. 2MHz / 2) / (26/2)MHz} * 220 (Integer part) = 8065 (0x1F81)
[IF_FREQ_H: B0 0x54] = 0x1F
[IF_FREQ_L: B0 0x55] = 0x81



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