Microchip Technology MCP4728EV Data Sheet
MCP4728
DS22187E-page 32
© 2010 Microchip Technology Inc.
5.4.3
GENERAL CALL SOFTWARE
UPDATE
UPDATE
If the second byte is “00001000” (08h), the device
updates all DAC analog outputs (V
updates all DAC analog outputs (V
OUT
) at the same
time.
FIGURE 5-5:
General Call Software Update.
1st Byte
Note 1
1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9
ACK (
MCP4728)
Stop
Start
2nd Byte
(Command Type = General Call Software Update)
(General Call Command)
Clock Pulse (CLK Line)
Data (SDA Line)
Note 1: At this falling edge of the last ACK clock bit, V
OUT
A, V
OUT
B, V
OUT
C, V
OUT
D are updated.