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Shakespeare Electronic SE500 Specifiche Pagina 40

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CC1000
SWRS048A Page 40 of 55
MAIN Register (00h)
REGISTER NAME Default
value
Active Description
MAIN[7] RXTX - - RX/TX switch, 0 : RX , 1 : TX
MAIN[6] F_REG - - Selection of Frequency Register, 0 : Register A, 1 :
Register B
MAIN[5] RX_PD - H Power Down of LNA, Mixer, IF, Demodulator, RX part of
Signal Interface
MAIN[4] TX_PD - H Power Down of TX part of Signal Interface, PA
MAIN[3] FS_PD - H Power Down of Frequency Synthesiser
MAIN[2] CORE_PD - H Power Down of Crystal Oscillator Core
MAIN[1] BIAS_PD - H Power Down of BIAS (Global_Current_Generator)
and Crystal Oscillator Buffer
MAIN[0] RESET_N - L Reset, active low. Writing RESET_N low will write default
values to all other registers than MAIN. Bits in MAIN do
not have a default value, and will be written directly
through the configurations interface. Must be set high to
complete reset.
FREQ_2A Register (01h)
REGISTER NAME Default
value
Active Description
FREQ_2A[7:0] FREQ_A[23:16] 01110101 - 8 MSB of frequency control word A
FREQ_1A Register (02h)
REGISTER NAME Default
value
Active Description
FREQ_1A[7:0] FREQ_A[15:8] 10100000 - Bit 15 to 8 of frequency control word A
FREQ_0A Register (03h)
REGISTER NAME Default
value
Active Description
FREQ_0A[7:0] FREQ_A[7:0] 11001011 - 8 LSB of frequency control word A
FREQ_2B Register (04h)
REGISTER NAME Default
value
Active Description
FREQ_2B[7:0] FREQ_B[23:16] 01110101 - 8 MSB of frequency control word B
FREQ_1B Register (05h)
REGISTER NAME Default
value
Active Description
FREQ_1B[7:0] FREQ_B[15:8] 10100101 - Bit 15 to 8 of frequency control word B
FREQ_0B Register (06h)
REGISTER NAME Default
value
Active Description
FREQ_0B[7:0] FREQ_B[7:0] 01001110 - 8 LSB of frequency control word B
FSEP1 Register (07h)
REGISTER NAME Default
value
Active Description
FSEP1[7:3] - - - Not used
FSEP1[2:0] FSEP_MSB[2:0] 000 - 3 MSB of frequency separation control
FSEP0 Register (08h)
REGISTER NAME Default
value
Active Description
FSEP0[7:0] FSEP_LSB[7:0] 01011001 - 8 LSB of frequency separation control
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