pi6c410b Pericom Semiconductor Corporation, pi6c410b Datasheet - Page 4
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pi6c410b
Manufacturer Part Number
pi6c410b
Description
400mhz Clock Generator For Server/workstation
Manufacturer
Pericom Semiconductor Corporation
Datasheet
1.PI6C410B.pdf
(15 pages)
Serial Data Interface (SMBus)
PI6C410B is a slave only SMBus device that supports indexed block read and indexed block write protocol using a single 7-bit ad-
dress and read/write bit as shown below.
Address Assignment
Data Protocol
Note:
1.
Data Byte 0: Control Register
Start
1 bit
Bit
bit
0
1
2
3
4
5
6
7
Register offset for indicating the starting register for indexed block write and indexed block read. Byte Count in write mode cannot be 0.
A6
1
07-0093
SRC_0 Output Enable
1 = Enabled, 0 = Disabled (Hi-Z)
SRC_1 Output Enable
1 = Enabled, 0 = Disabled (Hi-Z)
SRC_2 Output Enable
1 = Enabled, 0 = Disabled (Hi-Z)
SRC_3 Output Enable
1 = Enabled, 0 = Disabled (Hi-Z)
SRC_4 Output Enable
1 = Enabled, 0 = Disabled (Hi-Z)
Reserved
Reserved
Reserved
7 bits
Slave
Addr
R/W
Descriptions
1
A5
1
Ack
1
Register
8 bits
offset
A4
0
Ack
1
Type
RW
RW
RW
RW
RW
RW
RW
RW
Count = N
8 bits
A3
Byte
1
1 = Enabled
1 = Enabled
1 = Enabled
1 = Enabled
1 = Enabled
Power-Up
Condition
Clock Generator for Intel PCI-Express Server Chipset
4
Ack
1
A2
Data Byte
0
8 bits
0
Output(s) Affected
SRC_0
SRC_1
SRC_2
SRC_3
SRC_4
Ack
1
A1
0
…
Data Byte
8 bits
N - 1
17, 18
19, 20
22, 23
24, 25
26, 27
A0
Pin
1
Ack
PS8811A
1
Source Pin
PI6C410B
R/W
Stop bit
0/1
NA
NA
NA
NA
NA
1 bit
04/19/07