MCP4728 Microchip Technology Inc., MCP4728 Datasheet - Page 44

• Manufacturer Part Number: MCP4728
• Description: 12-bit, Quad Digital-to-analog Converter With Eeprom Memory
• Manufacturer: Microchip Technology Inc.

MCP4728
FIGURE 5-14:
DS22187A-page 44
Command Type Bits:
Start
S
Note 1: G
1
2: X is don’t care bit.
Write Command: Write Gain Selection Bit (G
1
Device Addressing
G
G
G
Ex: G
0
X
X
X
X
C2=1
A = Gain Selection for Channel A
B = Gain Selection for Channel B
C = Gain Selection for Channel C
D = Gain Selection for Channel D
X
1st Byte
0
A = 0: Gain of 1 for Channel A
= 1: Gain of 2 for Channel A
A2
C1=1
A1
A0
C0=0
R/W
0
A
(C2 C1 C0)
1
Command
Write
1
at this falling edge of ACK pulse.
0
Registers and V
ACK (MCP4728)
X
) to the DAC Input Registers.
G
X
A G
Note 1
2nd Byte
X
B G
OUT
© 2009 Microchip Technology Inc.
X
are updated
C G
X
D A
Stop
P