Lpc Signals; Gpio Signals; Power & System Management Signals; Sata Signals - Avalue Technology EEV-EX15 User Manual

2.3.17.1.5

LPC Signals

Signal
LPC_FRAME#/ESPI_CS0# LPC frame indicates the start of an LPC cycle
LPC_AD[0:3]
LPC_CLKOUT1
LPC_SERIRQ
2.3.17.1.6

GPIO Signals

Signal
GPI[0:4]
GPO[0:4]
2.3.17.1.7 Power & System Management Signals
Signal
SUS_S3#
BATLOW#
PWRBTN#
SMB_SCL_S5
SMB_SDA_S5
SMB_ALERT#
SUS_STAT#/ESPI_RESET# Indicates imminent suspend operation.
PWR_OK
SYS_RESET#
WAKE0#
WAKE1#
2.3.17.1.8

SATA Signals

Signal
SATA[0:1]_TX +/-
SATA[0:1]_RX +/-
ATA_ACT#
LPC multiplexed address, command and data bus
LPC clock output - 33MHz nominal
LPC serial interrupt
General purpose input pins.
General purpose output pins.
Indicates system is in Suspend to RAM state. Active low output.
Indicates that external battery is low
Power button to bring system out of S5 (soft off), active on rising edge.
System Management Bus bidirectional clock line.
System Management Bus bidirectional data line.
System Management Bus Alert - input can be used to generate an SMI# (System
Management Interrupt) or to wake the system.
Power OK from main power supply
Reset button input. Active low input.
PCI Express wake up signal.
General purpose wake up signal.
Serial ATA Channel 0-1 transmit differential pair.
Serial ATA Channel 0-1 receive differential pair.
ATA (parallel and serial) activity indicator, active low.
Signal Description
Signal Description
Signal Description
Signal Description
EEV-EX15 User's Manual 27
User's Manual