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AD9546/PCBZ データシート(PDF) 190 Page - Analog Devices |
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AD9546/PCBZ データシート(HTML) 190 Page - Analog Devices |
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190 / 205 page ![]() AD9546 Data Sheet Rev. 0 | Page 190 of 205 Multidevice Configuration Example Consider two AD9546 devices (Device 1 and Device 2) that share a single EEPROM and assume both devices have a common PLL0 configuration but differing PLL1 configurations. A template for an EEPROM sequence that accomplishes this configuration is shown in Table 111. The sequence relies on conditional processing to differentiate between Device 1 and Device 2. Therefore, the user must program the condition ID of both devices prior to executing an EEPROM download. Specifically, the user must program Bits[3:0] of Register 0x2E01 in Device 1 with a condition ID of 1 and in Device 2 with a condition ID of 2. Table 111. Template for a Multidevice EEPROM Sequence Instructions Comment 0x00 to 0x7F A sequence of register transfer instructions associated with the PLL0 configuration common to both devices 0xB1 Apply Condition 1 0x00 to 0x7F A sequence of register transfer instructions associated with the PLL1 configuration specific to Device 1 0xB0 Clear the condition map 0xB2 Apply Condition 2 0x00 to 0x7F A sequence of register transfer instructions associated with the PLL1 configuration specific to Device 2 0xB0 Clear the condition map 0x80 IO update 0xFF End of sequence |
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