Intel Microcontroller Connections to the 41210 Bridge, Bridge Microcontroller Block Diagram

Introduction

Figure 1. 41210 Bridge Microcontroller Block Diagram

SMBus 2.0

Microcontroller Intelfi 41210 Bridge

Configuration	Configuration
Register	Register
Data	Address Space

B2707-01

2.4.2Microcontroller Connections to the 41210 Bridge

The following diagram shows the SMB interface from the 41210 Bridge to the microcontroller.

Figure 2. 41210 Bridge Microcontroller Connections

		3.3 V
Intelfi 41210			PIC16F876A
Bridge	SMBDAT	SMDAT	SDI / SDA
	SMBCLK	SMCLK	SCK / SCL
	CFGRETRY	CFG_RETRY	OSC2 / CLKOUT
			RC1
	CFG_RST_N	CFG_RESET	RBO / INT	20 MHz
			OSC1 / CLKIN
			22 pF	22 pF
				B2708-01

Intel® 41210 Serial to Parallel PCI Bridge Design Guide 11