CompuLab Face, Руководство по конструкции, Страница: 9 / 17

FACE Module interfaces
Revised February 2012 FACE Module Design Guide
9
3.4 SMBus
Table 6 SMBus Interface Signals
Signal Name Pin # Type Description Notes
SMBus-0
SMBUS_P0_CLK PX1-A14 I/OD SMBus channel 0 clock
SMBUS_P0_DAT PX1-A15 I/OD SMBus channel 0 data
SMBus-2
SMBUS_P2_CLK PX2-A39 I/OD SMBus channel 2 clock
SMBUS_P2_DAT PX2-A40
I/OD SMBus channel 2 data
SMBus thermal
SMBUS_THRM_CLK PX2-B39
I/O APU temperature sensor SMBus clock
SMBUS_THRM_DAT PX2-B40 I/O APU temperature sensor SMBus data
SMBus generic
SMBUS_ALERT# PX1-A10 I/O
SMBus alert - this signal can be used to wake
the system or generate an SMI
3.5 Digital Audio
Table 7 Digital Audio Interface Signals
Signal Name Pin # Type Description Notes
HDA_ RST# PX1-A16 O HD audio interface reset
HDA_SYNC PX1-A17
O HD audio sync signal to codec
HDA_CLK PX1-A18 O HD audio interface bit clock
HDA_SOUT PX1-A19
O HD audio serial data output to codec
HDA_SIN1 PX1-A20 I/O HD audio serial data input from codec
HDA_SIN2 PX1-A21 I/O HD audio serial data input from codec
3.6 LPC
Table 8 LPC Interface Signals
Signal Name Pin # Type Description Notes
LPC_LAD0 PX1-A30 I/O Multiplexed command / address / data bit 0
LPC_LAD1 PX1-A31 I/O Multiplexed command / address / data bit 1
LPC_LAD2 PX1-A32 I/O Multiplexed command / address / data bit 2
LPC_LAD3 PX1-A33 I/O Multiplexed command / address / data bit 3
LPC_CLK PX1-B23 O 33MHz clock for LPC devices
LPC_LFRAME# PX1-B24 O LPC bus frame
LPC_SER_IRQ PX1-B22 I/O Serial IRQ