PI6C410MA PERICOM [Pericom Semiconductor Corporation], PI6C410MA Datasheet - Page 4

• Manufacturer Part Number: PI6C410MA
• Description: Clock Generator for Intel PCI Express Mobile Chipset
• Manufacturer: PERICOM [Pericom Semiconductor Corporation]

Serial Data Interface (SMBus)
PI6C410M 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
Bit
0
1
2
3
4
5
6
7
1 bit
Start
Register offset for indicating the starting register for indexed block write and indexed block read. Byte Count in write mode cannot be 0.
bit
A6
1
1 = Enabled, 0 = Disabled (Hi-Z)
1 = Enabled, 0 = Disabled (Hi-Z)
1 = Enabled, 0 = Disabled (Hi-Z)
1 = Enabled, 0 = Disabled (Hi-Z)
1 = Enabled, 0 = Disabled (Hi-Z)
1 = Enabled, 0 = Disabled (Hi-Z)
1 = Enabled, 0 = Disabled (Hi-Z)
1 = Enabled, 0 = Disabled (Hi-Z)
CPU_2 / SRC_7 Output Enable
Slave Addr
7 bits
SRC_0 Output Enable
SRC_1 Output Enable
SRC_2 Output Enable
SRC_3 Output Enable
SRC_4 Output Enable
SRC_5 Output Enable
SRC_6 Output Enable
(1)
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
1 = Enabled
Power Up
Condition
Count
8 bits
Byte
4
= N
A2
0
Ack
1
Output(s) Affected
CPU_2 / SRC_7
Byte 0
8 bits
Data
A1
0
SRC_0
SRC_1
SRC_2
SRC_3
SRC_4
SRC_5
SRC_6
Ack
1
PCI Express Mobile Chipset
Clock Generator for Intel
A0
1
PI6C410M/410MA
17, 18
19, 20
22, 23
24, 25
26, 27
30, 31
32, 33
35, 36
Byte N
8 bits
Pin
Data
- 1
PS8736C
Ack
R/W
1
I/0
Source
Pin
NA
NA
NA
NA
NA
NA
NA
NA
1 bit
Stop
12/19/05
bit