AD9983ASLASHPCB datasheet(23/44 Pages) AD

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Preliminary Technical Data

AD9983A

Rev. PrA | Page 23 of 44

Serial Interface Read/Write Examples

Write to One Control Register

Start signal

Slave address byte (R/W bit = low)

Base address byte

Data byte to base address

Stop signal

Write to Four Consecutive Control Registers

Start signal

Slave address byte (R/W bit = low)

Base address byte

Data byte to base address

Data byte to (base address + 1)

Data byte to (base address + 2)

Data byte to (base address + 3)

Stop signal

Read from One Control Register

Start signal

Slave address byte (R/W bit = low)

Base address byte

Start signal

Slave address byte (R/W bit = high)

Data byte from base address

Stop signal

Read from Four Consecutive Control Registers

Start signal

Slave address byte (R/W bit = low)

Base address byte

Start signal

Slave address byte (R/W bit = high)

Data byte from base address

Data byte from (base address + 1)

Data byte from (base address + 2)

Data byte from (base address + 3)

10. Stop signal

BIT 7

ACK

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

SDA

SCL

Figure 19. Serial Interface—Typical Byte Transfer

AD9983A/PCB Datasheet(PDF) 23 Page - Analog Devices

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