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ADMV4420ACPZ-R2 数据表(PDF) 52 Page - Analog Devices |
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ADMV4420ACPZ-R2 数据表(HTML) 52 Page - Analog Devices |
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52 / 61 page ![]() ADMV4420 Data Sheet Rev. A | Page 52 of 61 ADDRESS 0x21C, RESET: 0x90, NAME: VCO_TIMEOUT1 Main VCO Calibration Tim eout 0 0 1 0 2 0 3 0 4 1 5 0 6 0 7 1 [7:0] VCO_TIMEOUT[7:0] (R/W) Table 37. VCO_TIMEOUT1 Bit Descriptions Bits Bit Name Description Reset Access [7:0] VCO_TIMEOUT[7:0] Main VCO calibration timeout 0x90 R/W ADDRESS 0x21D, RESET: 0x01, NAME: VCO_TIMEOUT2 Main VCO Calibration Tim eout 0 1 1 0 2 0 3 0 4 0 5 0 6 0 7 0 [7:2] RESERVED [1:0] VCO_TIMEOUT[9:8] (R/W) Table 38. VCO_TIMEOUT2 Bit Descriptions Bits Bit Name Description Reset Access [7:2] RESERVED Reserved 0x0 R [1:0] VCO_TIMEOUT[9:8] Main VCO calibration timeout 0x1 R/W ADDRESS 0x21E, RESET: 0x4B, NAME: VCO_BAND_DIV VCO Band Select Divide 0 1 1 1 2 0 3 1 4 0 5 0 6 1 7 0 [7:0] VCO_BAND_DIV (R/W) Table 39. VCO_BAND_DIV Bit Descriptions Bits Bit Name Description Reset Access [7:0] VCO_BAND_DIV VCO band select divide 0x4B R/W ADDRESS 0x21F, RESET: 0x18, NAME: VCO_READBACK_SEL VCO Read Back Select 101: Read Back Low (Zeros) 100: Read Back Core. 011: Read Back Bias Code. 001: Read Back Core & Band. 000: Test) Read Back Checkered Board (Functionality 0 0 1 0 2 0 3 1 4 1 5 0 6 0 7 0 [7:3] RESERVED [2:0] VCO_READBACK_SEL (R/W) Table 40. VCO_READBACK_SEL Bit Descriptions Bits Bit Name Description Reset Access [7:3] RESERVED Reserved 0x3 R [2:0] VCO_READBACK_SEL VCO read back select 0x0 R/W 000: Read back checkered board (functionality test) 001: Read back core and band 011: Read back bias code 100: Read back core 101: Read back low (zeros) |
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