PI6C21200VE datasheet(4/15 Pages) PERICOM

Il numero della parte	PI6C21200VE

Spiegazioni elettronici	1:12 Clock Driver for Intel PCI-Express Chipsets

PDF	15 Pages

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Produttore elettronici	PERICOM [Pericom Semiconductor Corporation]

Homepage	http://www.pericom.com

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PS8820

02/28/06

PI6C21200

1:12 Clock Driver for Intel

PCI-Express Chipsets

Random Byte Read and Write Protocol

Byte Write Protocol

Byte Read Protocol

Bit

Description

Bit

Description

Start

2:8

Slave address - 7 bits

2:8

Slave address - 7 bits

Write = 0

Write - 0

Acknowledge from slave

11:18

Command Code - 8 bits

'100xxxxx' stands for byte operation, bits[6:0]

of the command code represents the offset of

the byte to be accessed.

11:18

Command Code - 8 bits

'100xxxxx' stands for byte operation, bits[6:0]

of the command code represents the offset of the

byte to be accessed.

Acknowledge from slave

20:27

Data byte from master - 8 bits

20:27

Repeat start

Acknowledge from slave

21:27

Slave address - 7 bits

Stop

Read = 1

Acknowledge from slave

30:37

Data byte from slave - 8 bits

Acknowledge from master - 38 bits

Stop

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