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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ML7396AB датащи(PDF) 72 Page - LAPIS Semiconductor Co., Ltd. |
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ML7396AB датащи(HTML) 72 Page - LAPIS Semiconductor Co., Ltd. |
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72 / 140 page  FEDL7396A/B/E-07 ML7396A/B/E 72/140 ■RF Configuration ●Programming Channel Frequency Maximum 16 channels can be selected. (CH#0 to CH#15) Cahnnel allocation is defined by channel #0 frequency specified by [CH0_FL:B0 0x48], [CH0_FM:B0 0x49], [CH0_FH:B0 0x4A] and [CH0_NA:B0 0x4B] registers, and channel spacing specified by [CH_SPACE_L:B0 0x4C] and [CH_SPACE_H:B0 0x4D] registers. 16 channels can be enabled or disabled by [CH_EN_L:B0 0x2E] and [CH_EN_H:B0 0x2F] registers. RF channel is set as channel number (#0 to #15) at [CH_SET:B0 0x6B] register Notes: 1) Frequency range (from CH#0 to CH#15) can not include integer multiple of 36MHz. (ex: 900MHz, 936MHz) 2) The channel frequency must meet the following condition. If the following condition can not meet, please change the channel #0 frequency or disabling channels that can not meet the condition by [CH_EN_L:B0 0x2E] and [CH_EN_H:B0 0x2F] register. 36MHz * n + 2.2MHz ≤ channel frequency < 36MHz * (n+1) – 500kHz * n=integer 3) If the above condition can not be met, expected channel frequency is not functional or PLL may not be locked. [Channel frequency programming flow] START Set CH#0 frequency [CH0_FL:B0 0x48] [CH0_FM:B0 0x49] [CH0_FH:B0 0x4A] [CH0_NA:B0 0x4B] Set CH spacing [CH_SPACE_L:B0 0x4C] [CH_SPACE_H:B0 0x4D] CH#0 to CH#15 frequency allocation will be defined. Set CH enable/disable [CH_EN_L:B0 0x2E] [CH_EN_H:B0 0x2F] Select CH number [CH_SET:B0 0x6B] END |
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