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ADL6331ACCZB-R7 数据表(PDF) 28 Page - Analog Devices |
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ADL6331ACCZB-R7 数据表(HTML) 28 Page - Analog Devices |
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28 / 54 page ![]() Data Sheet ADL6331 PROGRAMMABILITY GUIDE analog.com Rev. B | 28 of 54 The register map can be subdivided into the seven functional groups, as shown in Table 7. See the Register Summary section for a complete list of all the registers on the ADL6331. Table 7. Memory Map Functional Groups Register Address Functional Blocks 0x000 to 0x011 SPI configuration 0x100 to 0x101 Function enable 0x104 to 0x109 AMP1 performance trimming and tuning 0x10A to 0x10D RF path 4 preconfigurations: AMP1, AMP2, Fixed gain/Bypass, DSA attenuation 0x10F to 0x115 AMP2 performance trimming and tuning 0x120 to 0x121 Auxiliary mux selection (Debug only), SPI supply control Table 7. Memory Map Functional Groups (Continued) Register Address Functional Blocks 0x140 to 0x145 FUSE space. Read only. Trimmed parameters for AMP1 and AMP2 are stored. FUNCTION AND SIGNAL PATH ENABLE The enable bits for each circuit block are in Registers 0x100 and 0x101 (Table 8 and Table 9, respectively). Figure 93 shows a breakdown of the individual blocks highlighted in red that have corresponding enable controls in Register 0x100 and 0x101. The ENP pin is a primary enable pin for the ADL6331 and is active high. The bits in the enable registers can be configured independently of the state of the ENP pin. Figure 93. Signal Path Enable Block Diagram Table 8. Register 0x100: Enable Register for MUX and LDO Bits Bit Name Description Reset Access [7:5] RESERVED Reserved. 0x0 R 4 AMUX_BG_EN AMUX Bandgap Enable. If MUXOUT (Pin 7) is not used, set to 0. 0x1 R/W 0: Disable AMUX Bandgap. 1: Enable AMUX Bandgap. 3 RESERVED Reserved. 0x0 R 2 RESERVED Reserved. 0x0 R/W 1 RESERVED Reserved. 0x0 R 0 LDO18_EN 1.8 V LDO Enable for AMUX Block. If MUXOUT (Pin 7) is not used, set to 0. 0x1 R/W 0: Disable. 1: Enable. Table 9. Register 0x101: Enable Register for AMP1/AMP2 and DSA Bits Bit Name Description Reset Access [7:3] RESERVED Reserved. 0x0 R 2 AMP2_EN AMP2 Enable. 0x0 R/W 0: Disable. 1: Enable. 1 RESERVED DSA Enable. 0x0 R/W 0: Disable. 1: Enable. 0 LDO18_EN AMP1 Enable. 0x0 R/W 0: Disable. 1: Enable. |
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