8

FN8159.1

March 25, 2005

Read Data Register (DR)

CS

Falling

Edge

Device

Type

Identifier

Device

Addresses

Instruction

Opcode

Register

Addresses

Wiper Position

(Sent by X9111 on SO)

Wiper Position

(sent by X9111 on SO)

CS

Rising

Edge

0 1010 A1 A0

10

10

RB RA

00

X

X

X

X

X

X

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

Write Data Register (DR)

CS

Falling

Edge

Device Type

Identifier

Device

Addresses

Instruction

Opcode

Register

Addresses

Wiper Position or Data

(Sent by Master on SI)

Wiper Position or Data

(Sent by Master on SI)

CS

Rising

Edge

01

01

0

A1 A0

1100

R

B

R

A

0

0

XXXXX

X

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

Addresses

CS

Rising

Edge

01010

A1 A0

1100

RB RA

00

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

CS

Falling

Edge

Device Type

Identifier

Device

Addresses

Instruction

Opcode

Register Addresses

CS

Rising

Edge

HIGH-VOLTAGE

WRITE CYCLE

0101

0

A1 A0

11

10

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

01010

A1 A0

010000

01

XXXXXXXX

0000000

WI

P

NOTES:

1. “A0 and A1”: stand 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.

X9111