Microchip Technology ADM00317 Data Sheet
© 2011-2012 Microchip Technology Inc.
DS22272C-page 55
MCP4706/4716/4726
FIGURE 6-6:
Read Command Format for 8-bit DAC (MCP4706).
Device Addressing
Vol. Data bits (8 bits) (3rd byte)
Note 1:
Note 1
The 2nd-5th bytes can be repeated after the 5th byte by continued clocking before issuing Stop bit.
Vol.
2:
ACK bit generated by MCP47X6.
b07 b06 b05 b04 b03 b02 b01 b00
MCP4706 D07 D06 D05 D04 D03 D02 D01 D00
SDA
SCL
A2 A1 A0
1
1
0
0
1
0
PD1 PD0
G
0
b07 b06 b05 b04 b03 b02 b01 b00
0
Vol. Configuration
Data bits (8 bits) (3rd and 5th bytes)
Start bit
ACK bit
(
2
)
Read/Write bit (Read)
Stop bit
S
A
R/W
A
A
Status
ACK bit
(
3
)
ACK
bit
(
3
)
Legend:
D07:D00 = 8-bit data for MCP4706 device
0
VREF1
VREF0
A/N
P
ACK/NACK bit
(
4
)
RDY POR
NV Data bits (8 bits) (5th byte)
0
b07 b06 b05 b04 b03 b02 b01 b00
0
/1
A
ACK bit
(
3
)
PD1 PD0
G
1
VREF1
VREF0
RDY POR
Vol.
NV Configuration
Status
bits
bits
bits
bits
3:
ACK bit generated by I
2
C™ master.
4:
ACK/NACK bit generated by I
2
C™ master.