EVAL-AD5252EBZ Analog Devices Inc, EVAL-AD5252EBZ Datasheet - Page 15

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EVAL-AD5252EBZ

Manufacturer Part Number
EVAL-AD5252EBZ
Description
EVALUATION BOARD
Manufacturer
Analog Devices Inc
Datasheet

Specifications of EVAL-AD5252EBZ

Main Purpose
Digital Potentiometer
Utilized Ic / Part
AD5252
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
I
Table 6. Addresses for Writing Data Byte Contents to RDAC Registers (R/ W = 0, CMD/ REG = 0, EE/ RDAC = 0)
A4
0
0
0
0
0
:
:
0
2
C INTERFACE DETAIL DESCRIPTION
A3
0
0
0
0
0
:
:
1
S
0
RDAC SLAVE ADDRESS
1
0
A2
0
0
0
0
1
:
:
1
1
S = START CONDITION
P = STOP CONDITION
A = ACKNOWLEDGE (SDA LOW)
A = NOT ACKNOWLEDGE (SDA HIGH)
R/W = READ ENABLE AT HIGH AND WRITE ENABLE AT LOW
CMD/REG = COMMAND ENABLE BIT, LOGIC HIGH/REGISTER ACCESS BIT, LOGIC LOW
EE/RDAC = EEMEM REGISTER, LOGIC HIGH/RDAC REGISTER, LOGIC LOW
A4, A3, A2, A1, A0 = RDAC/EEMEM REGISTER ADDRESSES
S
1
FROM MASTER TO SLAVE
FROM SLAVE TO MASTER
0
A
D
1
1
SLAVE ADDRESS
A
D
0
0 WRITE
0
A1
0
0
1
1
0
:
:
1
0
1
A
1
0 REG
CMD/
REG
A
D
1
A
D
0
0 WRITE
A0
0
1
0
1
0
:
:
1
RDAC INSTRUCTIONS
0
0
AND ADDRESS
Figure 28. Consecutive Write Mode
RDAC
EE/
A
Figure 27. Single Write Mode
0 REG
CMD/
REG
Rev. B | Page 15 of 28
A
4
RDAC
Reserved
RDAC1
Reserved
RDAC3
Reserved
:
:
Reserved
A
3
0
A
2
INSTRUCTIONS
AND ADDRESS
RDAC
EE/
A
1
A
0
A
4
A
A
3
A
2
RDAC1
DATA
A
1
Data Byte Description
6-/8-bit wiper setting (2 MSB of AD5251 are X)
6-/8-bit wiper setting (2 MSB of AD5251 are X)
A
0
A
A
ACKNOWLEDGE)
ACKNOWLEDGE)
DATA
(N BYTES +
X
(1 BYTE +
DATA
A
A/
A
RDAC3
DATA
P
AD5251/AD5252
A/
A
P

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