MSC Technologies Avnet COM Express CXC-BT, Руководство пользователя

Страница: 21 / 84

MSC CXC-BT User Manual
21 / 84
2.10.2
Ethernet
Signal Pin
Type Signal
Level Power
Rail Remark /
Tolerance PU/PD/SR Description Source / Target
GBE0_MDI[0:3]+
GBE0_MDI[0:3]- I/O Analog 3.3V Sus 3.3V Gigabit Ethernet Controller 0: Media Dependent Interface Differential
Pairs 0,1,2,3. The MDI can operate in 1000, 100 and 10 Mbit / sec
modes.
MDI[0]+/-
B1_DA+/-
MDI[1]+/- B1_DB+/-
MDI[2]+/- B1_DC+/-
MDI[3]+/- B1_DD+/-
Intel® I210-AT
GBE0_ACT# OD CMOS 3.3V Sus 5V / 20 mA Gigabit Ethernet Controller 0 activity indicator, active low. Intel® I210-AT
GBE0_LINK# OD CMOS 3.3V Sus 5V / 20 mA Gigabit Ethernet Controller 0 link indicator, active low. Intel® I210-AT
GBE0_LINK100# OD CMOS 3.3V Sus 5V / 20 mA Gigabit Ethernet Controller 0 100 Mbit / sec link indicator, active low. Intel® I210-AT
GBE0_LINK1000# OD CMOS 3.3V Sus 5V / 20 mA Gigabit Ethernet Controller 0 1000 Mbit / sec link indicator, active
low. Intel® I210-AT
GBE0_CTREF REF N/A. Center tab voltage not needed by Intel® I210-AT.
2.10.3
IDE
Signal Pin
Type Signal
Level Power
Rail Remark /
Tolerance PU/PD/SR Description Source / Target
IDE_D[0:6, 8:15] I/O TTL 3.3V 5.0V / 8mA eSR = 33
Ω
Bidirectional data to / from IDE device. JM330
IDE_D7 I/O TTL 3.3V 5.0V / 8mA eSR = 33
Ω
ePD
= 10 KΩ
Bidirectional data to / from IDE device. JM330
IDE_A[0:2] O TTL 3.3V 5.0V / 4mA eSR = 33
Ω
Address lines to IDE device. JM330
IDE_IOW# O TTL 3.3V 5.0V / 8mA eSR = 23.2
Ω I/O write line to IDE device. Data latched on trailing (rising) edge.
JM330
IDE_IOR# O TTL 3.3V 5.0V / 8mA eSR = 23.2
Ω I/O read line to IDE device.
JM330
IDE_REQ I TTL 3.3V 5.0V / 8mA eSR = 75
Ω
ePD = 4.7
KΩ
IDE Device DMA Request. It is asserted by the IDE device to
request a data transfer. JM330
IDE_ACK# O TTL 3.3V 5.0V / 8mA eSR = 23.2
Ω IDE Device DMA Acknowledge.
JM330
IDE_CS1# O TTL 3.3V 5.0V / 8mA
eSR = 33 Ω
IDE Device Chip Select for 1F0h to 1FFh range. JM330
IDE_CS3# O TTL 3.3V 5.0V / 8mA
eSR = 33 Ω
IDE Device Chip Select for 3F0h to 3FFh range. JM330
IDE_IORDY I TTL 3.3V 5.0V / 8mA eSR = 75
Ω
ePU = 4.7
KΩ
IDE device I/O ready input. Pulled low by the IDE device to extend
the cycle. JM330