MAX1620 Datasheet, PDF (14/20 Pages) Maxim Integrated Products – Digitally Adjustable LCD Bias Supplies

Digitally Adjustable LCD Bias Supplies
MOST
SIGNIFICANT
ADDRESS BIT
START
CONDITION
SCL
SDA
LEAST
SIGNIFICANT
SLAVE
ADDRESS BIT ACKNOWLEDGE
R/W BIT
MOST
SIGNIFICANT
DATA BIT
SLAVE
ACKNOWLEDGE
LEAST
SIGNIFICANT
DATA BIT
SUS-SHDN
REGSEL
D4
SLAVE PULLS
SDA LOW
SUS-LCDON
DAC DATA
D3 D2 D1
D0
SLAVE PULLS
SDA LOW
Figure 7. MAX1621 Serial-Interface Single-Byte Write Example (REGSEL = 0)
MOST
SIGNIFICANT
ADDRESS BIT
START
CONDITION
SCL
SDA
LEAST
SIGNIFICANT
SLAVE
ADDRESS BIT ACKNOWLEDGE
R/W BIT
MOST
SIGNIFICANT
DATA BIT
SLAVE
ACKNOWLEDGE
LEAST
SIGNIFICANT
DATA BIT
SLAVE
PULLS
SDA LOW
OPR-SHDN
D4
REGSEL
OPR-LCDON
DAC DATA
D3 D2 D1
D0
SLAVE
PULLS
SDA LOW
Figure 8. MAX1621 Serial-Interface Single-Byte Write Example (REGSEL = 1)
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