Circuit Implementations

Figure 25. Reference and Compensation Circuit Implementations

Serial to

Parallel PCI

Bridge

10.2.1SM Bus

The SMBus interface does not have configuration registers. The SMBus address is set by the states of pins SMBUS[5] and SMBUS [3:1] when PERST# is asserted as described in Table 17.

Table 17. SMBUs Address Configuration

Bit

Value

 

 

7

1

 

 

6

1

 

 

5

SMBUS[5]

 

 

4

0

 

 

3

SMBUS[3]

 

 

2

SMBUS[2]

 

 

1

SMBUS[1]

 

 

Refer to Section 2.4 for details on how to use the SMBus to initialize 41110 registers with a microcontroller.

Intel® 41110 Serial to Parallel PCI Bridge Design Guide

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Intel 41110 manual SM Bus, SMBUs Address Configuration, Bit Value