BCM91125E
User Manual
04/27/05
B ro a d c o m C o r p o r a t i o n
Page 12
PCI Interrupt Map
Document
91125E-UM100-R
PCI I
NTERRUPT
M
AP
Table 8 shows the mapping of PCI interrupts from the BCM1125H to the connector.
SMB
US
P
ERIPHERALS
Table 9 shows how the SMBus peripherals are distributed over the two SMbus channels on the BCM1125H,
as well as the addresses used by each of the peripherals.
Table 8: PCI Interrupt Map
Description
Interrupt Map
32-bit universal PCI connector.
BCM1125H PCI INTA = PCI Connector (J2) INTA
Table 9: SMBus Peripherals
SMBus Channel
SMBus Address
Description
0
0x2A
Maxim MAX6654 temperature sensor.
0
0x50
Microchip 28LC128C EEPROM.
0
0x54
Atmel AT24C02 SPD EEPROM.
1
0x50
Microchip 28LC128C EEPROM.
1
0x68
ST Microelectronics M41T81 RTC.
