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STM32WL55JC データシート(PDF) 22 Page - STMicroelectronics

部品番号 STM32WL55JC
部品情報  Multiprotocol LPWAN dual core 32-bit Arm® Cortex®-M4/M0 LoRa®, (G)FSK, (G)MSK, BPSK, up to 256KB Flash, 64KB SRAM
PDF  145 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32WL55JC データシート(HTML) 22 Page - STMicroelectronics

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Functional overview
STM32WL55/54xx
22/145
DS13293 Rev 1
uses the 32 MHz HSE32 reference. The sub-GHz radio covers all continuous frequencies in
the range between 150 to 960 MHz.
3.9.6
Intermediate frequencies
The sub-GHz radio receiver operates mostly in low-IF configuration, except for specific high-
bandwidth settings.
Table 5. FSK mode intermediate frequencies
Setting name
Bandwidth (kHz)
fif (kHz)
RX_BW_467
467.0
250
RX_BW_234
234.3
RX_BW_117
117.3
RX_BW_58
58.6
RX_BW_29
29.3
RX_BW_14
14.6
RX_BW_7
7.3
RX_BW_373
373.6
200
RX_BW_187
187.2
RX_BW_93
93.8
RX_BW_46
46.9
RX_BW_23
23.4
RX_BW_11
11.7
RX_BW_5
5.8
RX_BW_312
312.0
167
RX_BW_156
156.2
RX_BW_78
78.2
RX_BW_39
39.0
RX_BW_19
19.5
RX_BW_9
9.7
RX_BW_4
4.8
Table 6. LoRa mode intermediate frequencies
Setting name
Bandwidth (kHz)
fif (kHz)
LORA_BW_500
500
0
LORA_BW_250
250
250
LORA_BW_125
125
LORA_BW_62
62.5
LORA_BW_41
41.67
167



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