X9110

FN8158 Rev 5.00

Page 7 of 18

October 28, 2016

ID3 ID2 ID1 ID0

0

0

A0

I2

I1

I0

RB

RA

SCK

SI

CS

0101

R/W

DEVICE ID

INTERNAL

INSTRUCTION

OPCODE

ADDRESS

REGISTER

0

0

0

0

ADDRESS

0

0

0

FIGURE 4. TWO-BYTE INSTRUCTION SEQUENCE

ID3 ID2 ID1 ID0 0

A0 R/W I2

00

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

0

101

0

XX

X

DEVICE ID

INTERNAL

ADDRESS

INSTRUCTION

OPCODE

REGISTER

ADDRESS

WIPER

POSITION

0

FIGURE 5. FOUR-BYTE INSTRUCTION SEQUENCE (WRITE OR READ FOR WCR OR DATA REGISTERS)

ID3 ID2 ID1 ID0 0

A0 R/W I2

00

SCK

SI

1

0

X X0

0

XX X

WIP

CS

I1 I0

0 RB RA

01

0

1

0

XX

X

DEVICE ID

INTERNAL

ADDRESS

INSTRUCTION

OPCODE

REGISTER

ADDRESS

STATUS

BIT

X X

0 00 0 0 0 0

0

0

FIGURE 6. FOUR-BYTE INSTRUCTION SEQUENCE (READ STATUS REGISTERS)