X9221AWS Intersil, X9221AWS Datasheet - Page 6

• Manufacturer Part Number: X9221AWS
• Description: IC XDCP DUAL 10K 2-WIRE 20-SOIC
• Manufacturer: Intersil
• Series: XDCP™r

Specifications of X9221AWS

• Taps: 64
• Resistance (ohms): 10K
• Number Of Circuits: 2
• Temperature Coefficient: 30 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Resistance In Ohms: 10K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 6. Increment/Decrement Timing Limits
Table 1. Instruction Set
Note: (7) N/A = Not applicable or don’t care; that is, a data register is not involved in the operation and need not be addressed (typical)
Read WCR
Write WCR
Read Data Register
Write Data Register
XFR Data Register to
WCR
XFR WCR to Data
Register
Global XFR Data
Register to WCR
Global XFR WCR
to Data Register
Increment/Decrement
Wiper
INC/DEC
V
Issued
W
CMD
Instruction
SDA
SCL
/R
W
I
1
1
1
1
1
1
0
1
0
3
6
I
0
0
0
1
1
1
0
0
0
2
I
0
1
1
0
0
1
0
0
1
1
Instruction Format
Voltage Out
I
1
0
1
0
1
0
1
0
0
0
N/A
N/A
0
0
0
0
0
0
0
0
N/A
N/A
1/0 N/A
1/0
1/0
1/0
1/0
1/0
1/0
P
0
X9221A
N/A
N/A
1/0
1/0
1/0
1/0
1/0
1/0
R
1
(7)
N/A
N/A
N/A
R
1/0
1/0
1/0
1/0
1/0
1/0
0
Read the contents of the Wiper Counter Register
pointed to by P
Write new value to the Wiper Counter Register
pointed to by P
Read the contents of the Register pointed to by
P
Write new value to the Register pointed to by P
and R
Transfer the contents of the Register pointed to
by P
Transfer the contents of the WCR pointed to by
P
Transfer the contents of the Data Registers
pointed to by R
respective WCR
Transfer the contents of all WCRs to their
respective data Registers pointed to by R
of both pots
Enable Increment/decrement of the WCR point-
ed to by P
0
0
and R
to the Register pointed to by R
0
1
and R
–R
1
0
0
–R
t
CLWV
1
0
–R
0
0
1
0
–R
to its associated WCR
Operation
0
of both pots to their
1
–R
0
August 30, 2006
1
–R
FN8163.2
0
0