AD5172EVAL Analog Devices Inc, AD5172EVAL Datasheet - Page 19

• Manufacturer Part Number: AD5172EVAL
• Description: BOARD EVAL FOR AD5172
• Manufacturer: Analog Devices Inc

Specifications of AD5172EVAL

• Rohs Status: RoHS non-compliant

I
WRITE MODE
Table 10. AD5172 Write Mode
Table 11. AD5173 Write Mode
READ MODE
Table 12. AD5172 Read Mode
Table 13. AD5173 Read Mode
Table 14. SDA Bits Descriptions
Bit
S
P
A
AD0, AD1
X
W
R
A0
SD
T
OW
D7, D6, D5, D4, D3, D2, D1, D0
E1, E0
2
S
S
S
S
C INTERFACE
0
0
0
0
1
1
1
1
Slave address byte
Slave address byte
Slave address byte
Slave address byte
0
0
0
0
1
1
1
1
1 AD1 AD0 W
1 AD1 AD0 R
1
1
1
1
1
1
W
Description
Start condition.
Stop condition.
Acknowledge.
Package pin-programmable address bits.
Don’t care.
Write.
Read.
RDAC subaddress select bit.
Shutdown connects wiper to B terminal and open circuits the A terminal. It does not change the
contents of the wiper register.
OTP programming bit. Logic 1 programs the wiper permanently.
Overwrites the fuse setting and programs the digital potentiometer to a different setting. Upon
power-up, the digital potentiometer is preset to either midscale or fuse setting, depending on
whether the fuse link was blown.
Data bits.
OTP validation bits.
00 = ready to program.
10 = fatal error. Some fuses not blown. Do not retry. Discard this unit.
11 = programmed successfully. No further adjustments are possible.
R
A
A D7 D6 D5 D4 D3 D2 D1 D0 A
A A0 SD
A D7 D6 D5 D4 D3 D2 D1 D0 A
A0 SD
Instruction byte
Instruction byte
T
Instruction byte
Instruction byte
T
Rev. H | Page 19 of 24
0 OW X
0 OW X
X
X
X
X
A
A D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
E1 E0
E1 E0
X
X
Data byte
Data byte
Data byte
Data byte
X
X
X
X
AD5172/AD5173
X
X
X
X
X
X
A
A
A
A
P
P
P
P