9
FN8190.5
September 14, 2015
Instruction Format
NOTES:
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).
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)
CS
FALLING
EDGE
DEVICE
TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
WCR
ADDRESSES
WIPER POSITION
(SENT BY X9401 ON SO)
CS
RISING
EDGE010100A1 A0 1 0 0 1 00 P1 P000WP5WP4WP3WP2WP1WP0
CS
FALLING
EDGE
DEVICE
TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
WCR
ADDRESSES
DATA BYTE
(SENT BY HOST ON SI)
CS
RISING
EDGE0 1 0 1 0 0 A1 A0 1 0 1 0 0 0 P1 P0 0 0 WP5 WP4 WP3 WP2 WP1 WP0
CS
FALLING
EDGE
DEVICE
TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
DR AND WCR
ADDRESSES
DATA BYTE
(SENT BY X9401 ON SO)
CS
RISING
EDGE010100A1 A01011R1R0P1P000WP5WP4WP3WP2WP1WP0
CS
FALLING
EDGE
DEVICE TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
DR AND WCR
ADDRESSES
DATA BYTE
(SENT BY HOST ON SI) CS
RISING
EDGE
HIGH-
VOLTAGE
WRITE
CYCLE
0 1 0 1 00A1A0 1 1 0 0 R1R0P1P000WP5WP4WP3WP2WP1WP0
CS
FALLING
EDGE
DEVICE
TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
DR AND WCR
ADDRESSES
CS
RISING
EDGE010100A1A0 1 1 0 1R1R0P1P0
CS
FALLING
EDGE
DEVICE
TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
DR AND WCR
ADDRESSES
CS
RISING
EDGE
HIGH-VOLTAGE
WRITE CYCLE010100 A1 A0 1110R1R0P1P0
CS
FALLING
EDGE
DEVICE TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
WCR
ADDRESSES
INCREMENT/DECREMENT
(SENT BY MASTER ON SDA)
CS
RISING
EDGE0 1 0 1 0 0 A1 A0 0 0 1 0 X X P1 P0 I/D I/D . . . . I/D I/D
CS
FALLING
EDGE
DEVICE TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
DR
ADDRESSES
CS
RISING
EDGE010100A1A00001R1R000
X9401