X9271 datasheet(11/22 Pages) INTERSIL

Part #	X9271

Description	Single Supply/Low Power/256-Tap/SPI Bus

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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11 / 22 page

11

FN8174.1

March 31, 2005

INSTRUCTION FORMAT

Read Wiper Counter Register (WCR)

Write Wiper Counter Register (WCR)

Read Data Register (DR)

Write Data Register (DR)

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

CS

Falling

Edge

Device Type

Identifier

Device

Addresses

Instruction

Opcode

DR/Bank

Addresses

Wiper Position

(Sent by X9271 on SO)

CS

Rising

Edge

01

0

0 A1 A0 1

0

1

0

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

Falling

Edge

Device Type

Identifier

Device

Addresses

Instruction

Opcode

DR/Bank

Addresses

Data Byte

(Sent by Host on SI)

CS

Rising

Edge

0101

0

0 A1 A0 1

0

1

0

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

Falling

Edge

Device Type

Identifier

Device

Addresses

Instruction

Opcode

DR/Bank

Addresses

Data Byte

(Sent by X9271 on SO)

CS

Rising

Edge

0

1

0

1

00 A1 A0 1011 RB RA P1 P0 D7 D 6 D5 D4 D3 D2 D1 D0

CS

Falling

Edge

Device Type

Identifier

Device

Addresses

Instruction

Opcode

DR/Bank

Addresses

Data Byte

(Sent by Host on SI)

CS

Rising

Edge

0

1

0

1

0 0 A1 A0 1 1 0 0 RB RA P1 P0 D7 D 6 D5D4D3D2D1D0

CS

Falling

Edge

Device Type

Identifier

Device

Addresses

Instruction

Opcode

DR/Bank

Addresses

CS

Rising

Edge

HIGH-VOLTAGE

WRITE CYCLE

0

1

0

1

00 A1 A0

1 110

RB

RA

0

X9271

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X9271 Datasheet(PDF) 11 Page - Intersil Corporation

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