Peripheral Devices; Table 10: Smbus Peripherals; Table 11: Generic Bus Peripherals; Table 12: Gpio Map - Broadcom BCM91250A User Manual

BCM91250A
P D
ERIPHERAL EVICES
SMBus Channel
GPIO Pin #
Page 22

Peripheral Devices

Table 10: SMBus Peripherals

SMBus Address
0 0x2A
0 0x54
0 0x55
0 0x56
0 0x57
0 0x50
1 0x51
1 0x57

Table 11: Generic Bus Peripherals

Chip Select #
Hynix HY29LV160 boot flash memory or ROM Emulator
CS0
(depending on J31 setting)
ROM Emulator or Hynix HY29LV160 boot flash memory
CS1
(depending on J31 setting)
CS3 HP HDLO-2416 LED display
IDE Hard disk connector (more information can be found in the
CS4
application note referenced in
CS6 PCMCIA slot
Direction
0 Output
1 Output
2 Input
3 Input
4 Input
5 Input
6-15 N/A
B roadc om C or por ati on
Maxim MAX6654 temperature sensor
DDR SDRAM DIMM SPD EEPROM, MC
channel 0, slot 0
DDR SDRAM DIMM SPD EEPROM, MC
channel 0, slot 1
DDR SDRAM DIMM SPD EEPROM, MC
channel 1, slot 0
DDR SDRAM DIMM SPD EEPROM, MC
channel 1, slot 1
Microchip 28LC128C EEPROM
Microchip 28LC128C EEPROM
ST Microelectronics M41T81 RTC
Description
Table 17 on page

Table 12: GPIO Map

Description
Debug LED
Alliance Semiconductor (SiPackets) SP1011
nonmaskable interrupt (NMI)
PHY interrupt
BCM1250 NMI
IDE disk interrupt
Temperature sensor alert
PCMCIA interface
User Manual
Description
26).
Document 91250A-UM100-R
05/18/04