PI6C410 Pericom Semiconductor Corporation, PI6C410 Datasheet - Page 4

• Manufacturer Part Number: PI6C410
• Description: 400mhz Clock Generator For Desktop Pc
• Manufacturer: Pericom Semiconductor Corporation

Serial Data Interface (SMBus)
PI6C410 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
Notes:
1. Register offset for indicating the starting register for indexed block write and indexed block read. Byte Count in write mode cannot be 0.
Data Byte 0: Control Register
Bit
0
1
2
3
4
5
6
7
1 bit
Start
bit
A6
1
06-0020
Reserved
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)
SRC_5 Output Enable
1 = Enabled, 0 = Disabled (Hi-Z)
SRC_6 Output Enable
1 = Enabled, 0 = Disabled (Hi-Z)
CPU_2 / SRC_7 Output Enable
1 = Enabled, 0 = Disabled (Hi-Z)
Slave Addr
7 bits
Descriptions
A5
1
R/W
1
Ack
A4
1
0
Register
offset
8 bits
Type
RW
RW
RW
RW
RW
RW
RW
RW
A3
1
Ack
1
1 = Enabled
1 = Enabled
1 = Enabled
1 = Enabled
1 = Enabled
1 = Enabled
1 = Enabled
Power Up
Condition
Count
8 bits
4
Byte
= N
A2
0
Ack
1
Output(s) Affected
CPU_2 / SRC_7
Byte 0
8 bits
Data
A1
0
SRC_1
SRC_2
SRC_3
SRC_4
SRC_5
SRC_6
Ack
PCI-Express Desktop Chipset
1
Clock Generator for Intel
…
A0
1
19, 20
22, 23
24, 25
26, 27
30, 31
32, 33
35, 36
Pin
Byte N
8 bits
Data
- 1
PS8734B
Source Pin
Ack
R/W
PI6C410
1
1/0
NA
NA
NA
NA
NA
NA
NA
01/11/07
1 bit
Stop
bit