AD9880SLASHPCB datasheet(57/64 Pages) AD

номер детали	AD9880/PCB

подробное описание детали	Analog/HDMI Dual Display Interface

PDF	64 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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57 / 64 page

AD9880

Rev. 0 | Page 57 of 64

SDA

SCL

tBUFF

tSTAH

tDHO

tDSU

tDAL

tDAH

tSTASU

tSTOSU

Figure 17. Serial Port Read/Write Timing

Serial Interface Read/Write Examples

Read from one control register:

Write to one control register:

•

Start signal

•

Start signal

•

Slave address byte (R/W\ bit = low)

•

Slave address byte (R/W\ bit = low)

•

Base address byte

•

Base address byte

•

Start signal

•

Data byte to base address

•

Slave address byte (R/W\ bit = high)

•

Stop signal

•

Data byte from base address

•

Stop signal

Write to four consecutive control registers:

Read from four consecutive control registers:

•

Start signal

•

Start signal

•

Slave address byte (R/W\ bit = LOW)

•

Slave address byte (R/W\ bit = low)

•

Base address byte

•

Base address byte

•

Data byte to base address

•

Start signal

•

Data byte to (base address + 1)

•

Slave address byte (R/W\ bit = high)

•

Data byte to (base address + 2)

•

Data byte from base address

•

Data byte to (base address + 3)

•

Data byte from (base address + 1)

•

Stop signal

•

Data byte from (base address + 2)

•

Data byte from (base address + 3)

•

Stop signal

BIT 7

ACK

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

SDA

SCL

Figure 18. Serial Interface—Typical Byte Transfer

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