Rainbow Electronics MAX1621 - Manual (Page 9)

MAX1620/MAX1621
Digitally Adjustable LCD Bias Supplies
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t 3
t 1
UP
DN
t 2 t 4
t SU:STA t SU:DAT t SU:DAT
t HD:DAT t HD:DAT
t HD:STA
SCL
START
CONDITION
A5 CLOCKED
INTO SLAVE
A4 CLOCKED
INTO SLAVE
A3 CLOCKED
INTO SLAVE
MOST SIGNIFICANT
ADDRESS BIT (A6)
CLOCKED INTO SLAVE
SDA
t
LOW
t
HIGH
t
SU:STO
t DV t DV
SCL
RW BIT
CLOCKED
INTO SLAVE
ACKNOWLEDGED
BIT CLOCK
INTO MASTER
MOST SIGNIFICANT
BIT CLOCKED
SLAVE PULLING
SDA LOW
SDA • • •
• • •
Figure 1. MAX1620 UP and DN Signal Timing
Figure 2. MAX1621 SMB Serial-Interface Timing—Address
Figure 3. MAX1621 SMB Serial-Interface Timing—Acknowledge