AD9523_R2B
#define AD9523_EEPROM_CUSTOMER_VERSION_ID (AD9523_R2B | 0x6)
#define AD9523_PLL1_REF_A_DIVIDER (AD9523_R2B | 0x11)
#define AD9523_PLL1_REF_B_DIVIDER (AD9523_R2B | 0x13)
#define AD9523_PLL1_FEEDBACK_DIVIDER (AD9523_R2B | 0x17)
#define AD9523_PLL1_CHARGE_PUMP_CTRL (AD9523_R2B | 0x19)
#define AD9523_PLL2_LOOP_FILTER_CTRL (AD9523_R2B | 0xF6)