X9259 Datasheet, PDF (10/21 Pages) Xicor Inc. – Quad Digitally-Controlled (XDCP) Potentiometers

X9259
SCL
SDA
0101
ID3 ID2 ID1 ID0
S
A3
A2 A1 A0
A ^I3
I2 I1 I0 RB RA P1 P0 _A
I
I
T
C
CN N
A Device ID
External
K
Instruction
Register Pot/WCR K C C
R
Address
Opcode
Address Address
12
T
ID
NE
CC
n1
FIGURE 6. INCREMENT/DECREMENT INSTRUCTION SEQUENCE 2-WIRE INTERFACE
DS
ET
CO
nP
INC/DEC
CMD
Issued
SCL
t_WRID
SDA
R_W
Voltage Out
FIGURE 7. INCREMENT/DECREMENT TIMING SPEC
10
FN8169.2
September 16, 2005