X9111 – Preliminary Information

Characteristics subject to change without notice.

8 of 21

REV 1.1.15 5/9/03

www.xicor.com

Figure 3. Four-Byte Instruction Sequence (Write or Read for WCR or Data Registers)

Figure 4. Four-Byte Instruction Sequence (Read Status Registers)

ID3 ID2 ID1 ID0 0

A0 R/W I2

0 0

SCK

SI

0

0

X X0

0

XX 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

CS

I1

I0 0 RB RA

01

0

1

0

XX

X

Device ID

Internal

Address

Instruction

Opcode

Register

Address

Wiper

Position

A1

ID3 ID2 ID1 ID0 0

A0 R/W I2

0

0

SCK

SI

1

0

X X0

0

XX X

WIP

CS

I1

I0

0 RB RA

0

101

0

XX

X

Device ID

Internal

Address

Instruction

Opcode

Register

Address

Status

Bit

X X

0 00 0 0 0 0

A1