X9110_08 Datasheet, PDF (9/18 Pages) Intersil Corporation – Dual Supply/Low Power/1024-Tap/SPI Bus

X9110
Write Data Register (DR)
CS
Falling
Edge
Device Type
Identifier
0101
Device
Addresses
0 0 A0
Instruction
Opcode
1100
Register
Address
RB RA 0 0
Wiper Position or Data Wiper Position or Data
(Sent by Master on SI) (Sent by Master on SI)
CS
X
X
X
X
X
X
WWW W W W W W W W
CCC C C C C C C C
RRR R R R R R R R
Rising
Edge
987 6 5 4 3 2 1 0
Transfer Data Register (DR) to Wiper Counter Register (WCR)
CS
Falling
Edge
Device Type
Identifier
0101
Device
Addresses
0 0 A0
Instruction
Opcode
1100
Register
Address
RB RA 0 0
CS
Rising
Edge
Transfer Wiper Counter Register (WCR) to Data Register (DR)
CS
Falling
Edge
Device Type
Identifier
0101
Device
Addresses
0 0 A0
Instruction
Opcode
1110
Register
Address
RB RA 0
CS
Rising
Edge
0
HIGH-VOLTAGE
WRITE CYCLE
Read Status Register (SR)
CS
Falling
Edge
Device Type
Identifier
0101
Device
Addresses
0 0 A0
Instruction
Register
Status Data
Status Data
Opcode
Addresses
(Sent by Slave on SO)
(Sent by Slave on SO)
CS
Rising
Edge
0 1 0 X 0 0 0 1 X X X X X X X X 0 0 0 0 0 0 0 WIP
NOTES:
1. “A0”: stands for the device address sent by the master.
2. WCRx refers to wiper position data in the Wiper Counter Register
3. “X”: Don’t Care.
9
FN8158.3
February 13, 2008