X9250TB24 XICOR [Xicor Inc.], X9250TB24 Datasheet - Page 9

• Manufacturer Part Number: X9250TB24
• Description: Quad Digitally Controlled Potentiometers (XDCP)
• Manufacturer: XICOR [Xicor Inc.]

X9250
Transfer Wiper Counter Register (WCR) to Data Register (DR)
Increment/Decrement Wiper Counter Register (WCR)
Global Transfer Data Register (DR) to Wiper Counter Register (WCR)
Global Transfer Wiper Counter Register (WCR) to Data Register (DR)
Read Status
REV 1.1.5 1/31/03
Falling
Falling
Falling
Falling
Falling
Edge
Edge
Edge
Edge
Edge
CS
CS
CS
CS
CS
device type
device type
0 1 0 1 0 0
0 1 0 1 0 0
device type
0 1 0 1 0 0
0 1 0 1 0 0
0 1 0 1 0 0
device type
device type
identifier
identifier
identifier
identifier
identifier
addresses
addresses
addresses
addresses
addresses
device
device
device
device
device
A
1
A
1
A
1
A
1
A
1
A
0
A
0
A
0
A
0
A
0
1 0 0 0
1 1 1 0
instruction
0 1 0 1 0 0 0 1 0 0 0 0 0 0 0
instruction
instruction
0 0 1 0 X X
0 0 0 1
opcode
instruction
opcode
instruction
opcode
opcode
opcode
R
1
DR and WCR
addresses
R
1
addresses
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R
1
addresses
addresses
R
0
DR
R
0
WCR
R
0
DR
0 0
P
1
P
1
0 0
P
0
P
0
Rising
Edge
CS
(sent by X9250 on SO)
Rising
I/D I/D .
Edge
Rising
Edge
CS
CS
(sent by master on SI)
increment/decrement
Data Byte
HIGH-VOLTAGE
WRITE CYCLE
HIGH-VOLTAGE
WRITE CYCLE
.
.
Characteristics subject to change without notice.
. I/D I/D
W
P
I
Rising
Edge
CS
Rising
Edge
CS
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