U3600BM Datasheet, PDF (10/43 Pages) ATMEL Corporation – SINGLE CHIP CORDLESS TELEPHONE IC

R11: Setting PLL2 and VCO3
FA33
FA32
FA31
FA30
AMIX2 AMIX1
RA21
RA20
FA3[0:4]: Fine adjustment of VCO3 (frequency reduction); “0” is LSB, “4” is MSB
AMIX[1:2]: Lengthening antibacklash signal PLL2
RA2[1:0]: Rough adjustment VCO2
R12: Divider for country setting, fine adjustment oscillator
FAOS2 FAOS1 FAOS0
D31
D30
D20
D11
D10
FAOS[0:2]: Fine adjustment of crystal oscillator (frequency reduction);
“0” is LSB, “2” is MSB
D3[0:1]: Setting divider D3
D20:
Setting divider D2
D1[0:1]: Setting divider D1
R13: VCO1 enable and fine adjustment
EVCO1 SAFA1 EAFA1
FA14
FA13
FA12
FA11
EVCO1:
SAFA1:
EAFA1:
FA1(0:4):
Enable VCO1
Sign for automatic fine adjustment of VCO1
Enable automatic fine adjustment of VCO1
Manual fine adjustment of VCO1 (frequency reduction);
“0” is LSB, “4” is MSB
FA10
R14: VCO2 enable and fine adjustment
EVCO2 SAFA2 EAFA2
FA24
FA23
FA22
FA21
EVCO2:
SAFA2:
EAFA2:
FA2(0:4):
Enable VCO2 and MixerT
Sign for automatic fine adjustment of VCO2
Enable automatic fine adjustment of VCO2
Manual fine adjustment of VCO2 (frtequency reduction);
“0” is LSB, “4” is MSB
FA20
R15: VCO3 enable, speed-up and referencq frequency, crystal oscillator enable
EVCO3 EOSC
SU3
E25K
E12K5
E10K
E6K25
E5K
EVCO3: Enable VCO3 and Mixer1
EOSC: Enable crystal oscillator (11.15 MHz)
SU3:
Speed-up phase comparator for PLL3
E25K:
Selection phase comparator frequency for PLL3: f_Ref3 = 25 kHz
E12K5: Selection phase comparator frequency for PLL3: f_Ref3 = 12.5 kHz
E10K:
Selection phase comparator frequency for PLL3: f_Ref3 = 10 kHz
E6K25: Selection phase comparator frequency for PLL3: f_Ref3 = 6.25 kHz
E5K:
Selection phase comparator frequency for PLL3: f_Ref3 = 5 kHz
E5K, E6K25, E10K, E15K5, E25K = 0:
Selection phase comparator frequency for PLL3: f_Ref3 = 2.5 kHz
10 U3600BM
4516C–CT0–08/02