ISL76534 Datasheet, PDF (16/24 Pages) Intersil Corporation – 14-channel gamma references

Write Timing Diagrams
ISL76534
SDA
(FROM MASTER)
START DEVICE ADDRESS W
76543210
REGISTER POINTER
DATA M (MSB)
76543210 76543210
DATA M (LSB)
76543210
DATA M+1 (MSB)
76543210
START of
SDA
WRITE (FROM SLAVE)
SCL
(FROM MASTER)
A
A
A
A
A
7 65 4 3 2 1 0A7 6 5 4 3 2 1 0A7 6 5 4 3 2 1 0A7 6 5 4 3 2 1 0A7 6 5 4 3 21 0A
SDA
(FROM MASTER)
DATA M+1 (LSB)
DATA M+2 (MSB)
DATA M+2 (LSB)
76543210 76543210 76543210
STOP
END of
SDA
WRITE (FROM SLAVE) _A
A
A
A
SCL
(FROM MASTER) _{A 7 6 5 4 3 2 1 0 A 7 6 5 4 3 2 1 0 A 7 6 5 4 3 2 1 0 A}
FIGURE 26. WRITE DATA BYTES
NOTE: A WRITE transaction may be stopped
at any time, after the 2-byte (10-bit) DAC data
is sent, by issuing a STOP condition
SDA
(FROM MASTER)
START DEVICE ADDRESS W REGISTER POINTER
DATA
7 6 5 4 3 2 1 0 A7 6 5 4 3 2 1 0 A7 6 5 4 3 2 1 0
STOP
SOFTWARE
SDA
RESET (FROM SLAVE)
SCL
(FROM MASTER)
A
A
A
7 6 5 4 3 2 1 0A76 5 4 3 2 1 0A7 6 5 4 3 2 10A
FIGURE 27. RECALL DATA FROM EEPROM (SOFTWARE RESET)
NOTE: Data in the EEPROM is
automatically loaded into the DAC
registers when the device is
powered-ON.
This I²C command for software
reset will recall the EEPROM data
anytime after initial power-ON.
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FN8866.0
July 27, 2016