User's Manual l TQMxE39S UM 0101 l © 2019 TQ-Group
Page 24
5.
SOFTWARE
5.1
System Resources
5.1.1
I
2
C Bus
The TQMxE39S provides a general purpose I
2
C port via a dedicated LPC to I
2
C controller in the TQ-flexiCFG block.
The following table shows the I
2
C address mapping for the SMARC I
2
C port.
Table 11:
I
2
C Address Mapping on GP I
2
C Port
8-bit Address
Function
Remark
0xA0
TQMxE39S EEPROM
–
0xAE
Carrier Board EEPROM
Embedded EEPROM configuration not supported
5.1.2
SMBus
The TQMxE39S provides a System Management Bus (SMBus).
The following table shows the I
2
C address mapping for the SMARC SMBus port.
Table 12:
I
2
C Address Mapping on SMBus Port
8-bit Address
Function
Remark
0x58
Hardware Monitor
–
5.1.3
Memory Map
The TQMxE39S supports the standard PC system memory and I/O memory map.
Please contact
for further information about the memory map.
5.1.4
IRQ Map
The TQMxE39S supports the standard PC Interrupt routing.
The integrated legacy devices (COM1, COM2) can be configured via the BIOS to IRQ3 and IRQ4.
Please contact
for further information about the Interrupt configuration.
