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AD9530 Datasheet(PDF) 35 Page - Analog Devices |
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AD9530 Datasheet(HTML) 35 Page - Analog Devices |
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35 / 41 page ![]() Data Sheet AD9530 Rev. 0 | Page 35 of 41 OUT1 DIVIDER (REGISTER 0x014) Table 39. Bit Descriptions for OUT1_DIVIDER (Default: 0x01) Bits Bit Name Settings Description Default Access [7:0] OUT1_DIVIDER, Bits[7:0] 0x00 to 0xFF Output 1 divider. These bits control the divide ratio of the output divider. Divide ratio goes from ÷1 (by writing 0x01) to ÷255 (by writing 0xFF). Writing 0x00 disables the divider. 0x01 RW OUT1 DRIVER CONTROL REGISTER (REGISTER 0x015) Table 40. Bit Descriptions for OUT1_DRIVER_CONTROL (Default: 0x24) Bits Bit Name Settings Description Default Access [7:6] RESERVED 00 When writing to Register 0x015, these bits must be 00b. 00b W [5:4] OUT1_AMP_TRIM Output 1 amplitude voltage trim. 10b RW 00 0.8 V. 01 0.9 V. 10 1.0 V (default). 11 1.1 V. 3 OUT1_TERM_EN Output 1 on-chip termination. 0b RW 0 Disabled (default). 1 Enabled. 2 OUT1_LDO_EN Output 1 enable LDO. 1b RW 0 Disabled. 1 Enabled (default). 1 OUT1_EN Output 1 enable. 0b RW 0 Disabled (default). 1 Enabled. 0 OUT1_DIVIDER_RESET Setting this (self clearing) bit resets the Output 1 divider. This bit is live, meaning IO_UPDATE is not needed for it to take effect. 0b W OUT2 DIVIDER (REGISTER 0x016) Table 41. Bit Descriptions for OUT2_DIVIDER (Default: 0x01) Bits Bit Name Settings Description Default Access [7:0] OUT2_DIVIDER, Bits[7:0] 0x00 to 0xFF Output 2 divider. These bits control the divide ratio of the output divider. Divide ratio goes from ÷1 (by writing 0x01) to ÷255 (by writing 0xFF). Writing 0x00 disables the divider. 0x01 RW OUT2 DRIVER CONTROL (REGISTER 0x017) Table 42. Bit Descriptions for OUT2_DRIVER_CONTROL (Default: 0x24) Bits Bit Name Settings Description Default Access [7:6] RESERVED 00 When writing to Register 0x017, these bits must be 00b. 00 W [5:4] OUT2_AMP_TRIM Output 2 amplitude voltage trim. 10b RW 00 0.8 V. 01 0.9 V. 10 1.0 V (default). 11 1.1 V. 3 OUT2_TERM_EN Output 2 on-chip termination. 0b RW 0 Disabled (default). 1 Enabled. 2 OUT2_LDO_EN Output 2 enable LDO. 1b RW 0 Disabled. 1 Enabled (default). 1 OUT2_EN Output 2 enable. 0b RW 0 Disabled (default). 1 Enabled. |
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