9

FN8158.3

February 13, 2008

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.

Write Data Register (DR)

CS

Falling

Edge

Device Type

Identifier

Device

Addresses

Instruction

Opcode

Register

Address

Wiper Position or Data

(Sent by Master on SI)

Wiper Position or Data

(Sent by Master on SI)

CS

Rising

Edge

010100 A0

1 1 0 0 RB RA 0 0 XXX XXX

W

C

R

9

W

C

R

8

W

C

R

7

W

C

R

6

W

C

R

5

W

C

R

4

W

C

R

3

W

C

R

2

W

C

R

1

W

C

R

0

Transfer Data Register (DR) to Wiper Counter Register (WCR)

CS

Falling

Edge

Device Type

Identifier

Device

Addresses

Instruction

Opcode

Register

Address

CS

Rising

Edge

010100 A0

110

0 RB RA 0

0

Transfer Wiper Counter Register (WCR) to Data Register (DR)

CS

Falling

Edge

Device Type

Identifier

Device

Addresses

Instruction

Opcode

Register

Address

CS

Rising

Edge

HIGH-VOLTAGE

WRITE CYCLE

01

0100 A0

1

1

1

0

RB

RA

0

0

Read Status Register (SR)

CS

Falling

Edge

Device Type

Identifier

Device

Addresses

Instruction

Opcode

Register

Addresses

Status Data

(Sent by Slave on SO)

Status Data

(Sent by Slave on SO)

CS

Rising

Edge

010

100 A0

010 X 0

001 X X X X X X X X 0000

000 WIP

X9110