Introduction
Figure 1. 41210 Bridge Microcontroller Block Diagram
SMBus 2.0
Microcontroller | Intelfi 41210 Bridge |
Configuration |
| Configuration |
|
Register |
| Register |
|
Data |
| Address Space |
|
|
|
|
|
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 |
|
|
|
| |
Intel® 41210 Serial to Parallel PCI Bridge Design Guide | 11 |
