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FACE MODULE interfaces
Revised December 2011
SBC-FITPC3
17
5.4
SMBus
Table 8 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
5.5
Digital Audio
Table 9 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 a second
codec
HDA_SIN2
PX1-A21
I/O
HD audio serial data input from a third codec
5.6
LPC
Table 10 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 device
LPC_LFRAME#
PX1-B24
O
LPC bus frame
LPC_SER_IRQ
PX1-B22
I/O
Serial IRQ
Содержание SBC-FITPC3
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