Mihir, The "address" is really embedded in the first four bits of the register. When you write to the device, you write in groups of 16 bits. For example, if you want to operate the device in Auto-1 mode, you would start by writing the program register setting for Auto-1 mode. This would be a 16 bit word starting with 1000 (DI15-12) as shown in Table 3. Then you would write to the control register setting for Auto-1 mode. This would be another 16-bit word starting with 0010 (also DI15-12) as shown in Table 2. All transactions would be 16 bits and the addressing is the first four bits. You can see this in Figure 1 of the datasheet as the transaction for programming the device, like the first four bits indicate the state of a state machine. Joseph Wu
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