X9260 Datasheet, PDF (11/25 Pages) Intersil Corporation – Dual Supply/Low Power/256-Tap/SPI bus

X9260
Table 5. Instruction Set
Instruction Set
Instruction
I3 I2 I1 I0 RB RA 0 P0
Operation
Read Wiper Counter
Register
10010 0
0 1/0 Read the contents of the Wiper Counter
Register pointed to by P0
Write Wiper Counter
Register
10100 0
0 1/0 Write new value to the Wiper Counter
Register pointed to by P0
Read Data Register
1 0 1 1 1/0 1/0 0 1/0 Read the contents of the Data Register
pointed to by P0 and RB - RA
Write Data Register
1 1 0 0 1/0 1/0 0 1/0 Write new value to the Data Register
pointed to by P0 and RB - RA
XFR Data Register to
Wiper Counter Register
1 1 0 1 1/0 1/0 0 1/0 Transfer the contents of the Data Register
pointed to by P0 and RB - RA to its
associated Wiper Counter Register
XFR Wiper Counter
Register to Data Register
1 1 1 0 1/0 1/0 0 1/0 Transfer the contents of the Wiper Counter
Register pointed to by P0 to the Data
Register pointed to by RB - RA
Global XFR Data Registers 0 0 0 1 1/0 1/0 0
to Wiper Counter Registers
0 Transfer the contents of the Data Registers
pointed to by RB - RA of all four pots to their
respective Wiper Counter Registers
Global XFR Wiper Counter 1 0 0 0 1/0 1/0 0
Registers to Data Register
0 Transfer the contents of both Wiper Counter
Registers to their respective data Registers
pointed to by RB - RA of all four pots
Increment/Decrement
Wiper Counter Register
00100 0
0 1/0 Enable Increment/decrement of the Control
Latch pointed to by P0
Note: 1/0 = data is one or zero
11
FN8170.0
February 28, 2005