![MSC Technologies Avnet COM Express CXC-BT Скачать руководство пользователя страница 26](http://html1.mh-extra.com/html/msc-technologies/avnet-com-express-cxc-bt/avnet-com-express-cxc-bt_user-manual_1846822026.webp)
MSC CXC-BT
User Manual
26 / 84
2.10.9
LPC Bus
Signal
Pin
Type
Signal
Level
Power Rail
Remark /
Tolerance
PU/PD/SR
Description
Source / Target
LPC_AD[0:3]
I/O
CMOS
3.3V
3.3V
LPC multiplexed address, command and data bus
BT SOC
LPC_FRAME#
O
CMOS
3.3V
LPC frame indicates the start of an LPC cycle
BT SOC
LPC_DRQ0#
I
CMOS
3.3V
3.3V
LPC serial DMA request
not connected
LPC_DRQ1#
I
CMOS
3.3V
LPC serial DMA request
not connected
LPC_SERIRQ
I/OD
CMOS
3.3V
3.3V
LPC serial interrupt
BT SOC
LPC_CLK
O
CMOS
3.3V
eSR = 10
Ω LPC clock output - 33MHz nominal, functional strap option BT SOC
Note: For signal buffering to external devices a zero delay buffer is needed.
LPC_CLK is running in continuous mode.
2.10.10
LVDS Flat Panel
Signal
Pin
Type
Signal
Level
Power
Rail
Remark /
Tolerance
PU/PD/SR
Description
Source / Target
LVDS_A[0:3]+
LVDS_A[0:3]-
O
LVDS
LVDS Channel A differential pairs
ANX1122
LV
LVDS_A_CK-
O
LVDS
LVDS Channel A differential clock
ANX1122
LVDS_B[0:3]+
LVDS_B[0:3]-
O
LVDS
LVDS Channel B differential pairs
ANX1122
LV
LVDS_B_CK-
O
LVDS
LVDS Channel B differential clock
ANX1122
LVDS_VDD_EN
O
CMOS 3.3V
LVDS panel power enable
ANX1122
LVDS_BKLT_EN
O
CMOS 3.3V
LVDS panel backlight enable
Embedded
Controller
LVDS_BKLT_CTRL O
CMOS 3.3V
eSR =47.5
Ω
LVDS panel backlight brightness control
Embedded
Controller
LVDS_I2C_CK
O
CMOS 3.3V
ePU = 2.2 K
Ω
ePD = 100
KΩ
I2C clock output for LVDS display use
(100k ePD is required for eDP)
ANX1122
LVDS_I2C_DAT
I/OD CMOS 3.3V
3.3V
ePU = 2.2 K
Ω
ePU = 100
KΩ
I2C data line for LVDS display use
(100k ePU is required for eDP)
ANX1122
Содержание Avnet COM Express CXC-BT
Страница 10: ...MSC CXC BT User Manual 10 84 2 2 Block diagram...