Table 11: Gpio Map; Table 12: Pci/X Interrupt Map - Broadcom BCM91125PCIX User Manual

BCM91125PCIX
GPIO Pin #
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Description
32b PCI connector (J44).
64b PCI-X Slot A (J77).
64b PCI-X Slot B (J78).
Page 20 BCM1125H Peripheral Devices
BCM1125H
Description
Pin Direction
Input NMI_L (from switch SW12)
Input OUT from RTC.
Input PHY_INTERUPT_L (ORed PHY interrupt from both BCM5461 PHY chips)
Input USB Slot 0 interrupt
Input USB Slot 1 interrupt
Input TEMP_ALERT_L from the temperature sensor
Output Compact Flash Chip Enable 1 (CF_CE_L1)
Output Compact Flash Chip Enable 2 (CF_CE_L2)
Output Compact Flash Reset (CF_RESET)
Input Compact Flash Ready Buffer (CF_READY_BUF)
Output Compact Flash Reg (CF_REG)
Input Compact Flash WP Buffer (CF_WP_BUF)
Input Compact Flash CD 1 (CF_CD_L1)
Input Compact Flash CD 2 (CF_CD_L2)
Input Compact Flash VS 1 (CF_VS_L1)
Input Compact Flash VS 2 (CF_VS_L2)

Table 12: PCI/X Interrupt Map

B roadc om C or por ati on

Table 11: GPIO Map

Interrupt Map
BCM1125H PCI INTA = PCI Connector INTA.
BCM1125H PCI INTB = PCI Connector INTB.
BCM1125H PCI INTC = PCI Connector INTC.
BCM1125H PCI INTD = PCI Connector INTD.
PLX HT7520 PCI-X Bus A INTA = PCI-X Slot A INTD.
PLX HT7520 PCI-X Bus A INTB = PCI-X Slot A INTA.
PLX HT7520 PCI-X Bus A INTC = PCI-X Slot A INTB.
PLX HT7520 PCI-X Bus A INTD = PCI-X Slot A INTC.
PLX HT7520 PCI-X Bus B INTA = PCI-X Slot B INTD.
PLX HT7520 PCI-X Bus B INTB = PCI-X Slot B INTA.
PLX HT7520 PCI-X Bus B INTC = PCI-X Slot B INTB.
PLX HT7520 PCI-X Bus B INTD = PCI-X Slot B INTC.
User Manual
07/02/04
Document 91125PCIX-UM100-R