X9401WS24IZ-2.7T1 Intersil, X9401WS24IZ-2.7T1 Datasheet - Page 8

• Manufacturer Part Number: X9401WS24IZ-2.7T1
• Description: IC POT DGTL QUAD 10K OHM 24-SOIC
• Manufacturer: Intersil
• Series: XDCP™r

Specifications of X9401WS24IZ-2.7T1

• Taps: 64
• Resistance (ohms): 10K
• Number Of Circuits: 4
• Temperature Coefficient: 300 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Resistance In Ohms: 10K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: X9401WS24IZ-2.7T1TR

Instruction Format
NOTES:
Read Wiper Counter Register (WCR)
Write Wiper Counter Register (WCR)
Read Data Register (DR)
Write Data Register (DR)
Transfer Data Register (DR) to Wiper Counter Register (WCR)
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)
FALLING
FALLING
FALLING
FALLING
3. A1 ~ A0”: stands for the device addresses sent by the master.
4. WPx refers to wiper position data in the Counter Register
5. “I”: stands for the increment operation, SI held HIGH during active SCK phase (high).
6. “D”: stands for the decrement operation, SI held LOW during active SCK phase (high).
FALLING
FALLING
FALLING
FALLING
EDGE
EDGE
EDGE
EDGE
EDGE
EDGE
EDGE
EDGE
CS
CS
CS
CS
CS
CS
CS
CS
DEVICE TYPE
DEVICE TYPE
0
DEVICE TYPE
0
IDENTIFIER
0
0
IDENTIFIER
IDENTIFIER
0
0
IDENTIFIER
0
0
IDENTIFIER
IDENTIFIER
IDENTIFIER
IDENTIFIER
DEVICE
DEVICE
DEVICE
DEVICE
DEVICE
TYPE
1
TYPE
1
TYPE
1
1
TYPE
1
TYPE
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0 0 A1 A0
ADDRESSES
0
0
0
0
0
ADDRESSES
ADDRESSES
0
ADDRESSES
ADDRESSES
ADDRESSES
ADDRESSES
ADDRESSES
DEVICE
0
DEVICE
DEVICE
0
0
DEVICE
DEVICE
0
0
0
8
DEVICE
DEVICE
DEVICE
0
A1
A1
A1
A1
A1
A1
A1
A0
A0
A0
A0
A0
A0
A0
INSTRUCTION
1
OPCODE
INSTRUCTION
INSTRUCTION
1
1
INSTRUCTION
0
INSTRUCTION
1
1
INSTRUCTION
0
INSTRUCTION
1
INSTRUCTION
OPCODE
1
OPCODE
OPCODE
OPCODE
OPCODE
0
OPCODE
1
OPCODE
0
0
0
0
0
1
1
0
0 R1 R0 P1 P0 0 0 WP5 WP4 WP3 WP2 WP1 WP0
0
1
1
0
1
1
1
1
DR AND WCR
ADDRESSES
0
0
1
0
R1
R1 R0 P1 P0
DR AND WCR
ADDRESSES
R1
DR AND WCR
0
X
ADDRESSES
ADDRESSES
0
R1
X9401
ADDRESSES
ADDRESSES
ADDRESSES
DR AND WCR
ADDRESSES
R0
0
X
R0
0
DR
WCR
WCR
WCR
R0
P1
P1
P1
P1
0
P1 P0
P0
P0
0
P0
P0
RISING
EDGE
RISING
CS
EDGE
0
I/D
0
0
CS
RISING
EDGE
(SENT BY HOST ON SI)
(SENT BY MASTER ON SDA)
0
CS
INCREMENT/DECREMENT
0 WP5 WP4 WP3 WP2
0
I/D
WP5 WP4 WP3 WP2 WP1
WP5 WP4 WP3 WP2 WP1 WP0
DATA BYTE
(SENT BY X9401 ON SO)
(SENT BY X9401 ON SO)
.
(SENT BY HOST ON SI)
HIGH-VOLTAGE
WRITE CYCLE
WIPER POSITION
.
DATA BYTE
DATA BYTE
.
.
I/D
I/D
WP1
RISING
EDGE
RISING
EDGE
CS
CS
WP0
WP0
October 13, 2009
VOLTAGE
CYCLE
WRITE
HIGH-
RISING
RISING
RISING
EDGE
EDGE
EDGE
FN8190.4
CS
CS
CS