Analog Devices ADV7511W

ADV7511W HARDWARE USER’S GUIDE
Rev.A
Page 38
of 45
Rev A
Figure 19
Serial Port Read/Write Timing
6.6.3 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)
SDA
SCL
t
BUFF
t
STAH
t
DHO
t
DSU
t
DAL
t
DAH
t
STASU
t
STOSU
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