SCL
SDA
VW/RW
INC/DEC
CMD
Issued
Voltage Out
tCLWV
6
FN8163.2
August 30, 2006
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)
Instruction
Instruction Format
Operation
I3
I2
I1
I0
0P0
R1
R0
Read WCR
1
0
1
0
1/0 N/A(7) N/A Read the contents of the Wiper Counter Register
pointed to by P0
Write WCR
1
0
1
0
1/0
N/A
N/A Write new value to the Wiper Counter Register
pointed to by P0
Read Data Register
1
0
1
0
1/0
Read the contents of the Register pointed to by
P0 and R1–R0
Write Data Register
1
0
1/0
Write new value to the Register pointed to by P0
and R1–R0
XFR Data Register to
WCR
1
0
1
0
1/0
Transfer the contents of the Register pointed to
by P0 and R1–R0 to its associated WCR
XFR WCR to Data
Register
1
0
1/0
Transfer the contents of the WCR pointed to by
P0 to the Register pointed to by R1–R0
Global XFR Data
Register to WCR
0
1
N/A
1/0
Transfer the contents of the Data Registers
pointed to by R1–R0 of both pots to their
respective WCR
Global XFR WCR
to Data Register
1
0
N/A
1/0
Transfer the contents of all WCRs to their
respective data Registers pointed to by R1–R0
of both pots
Increment/Decrement
Wiper
0
1
0
1/0
N/A
N/A Enable Increment/decrement of the WCR point-
ed to by P0
X9221A