xr
通用（ 3.3V和5V ） PCI总线的UART QUAD
F
IGURE
20.
F
IGURE
21.
F
IGURE
22.
F
IGURE
23.
F
IGURE
24.
F
IGURE
25.
F
IGURE
26.
F
IGURE
27.
XR17D154
修订版1.2.0
PCI B
US
C
ONFIGURATION
S
PACE
R
EGISTERS
R
EAD和
W
RITE操作
................................................................. 58
D
EVICE
C
ONFIGURATION和
UART
EGISTERS
R
EAD
O
PERATION针对
B
YTE或
DWORD ...................................... 59
D
EVICE
C
ONFIGURATION寄存器
， UART
EGISTERS和
T
RANSMIT
D
ATA
B
URST
W
RITE
O
PERATION
..................... 60
D
EVICE
C
ONFIGURATION
R
EGISTERS
， UART
EGISTERS和
R
ECEIVE
D
ATA
B
URST
R
EAD
O
PERATION
........................ 61
5V PCI B
US
C
LOCK
（ DC
TO
33MH
Z
) .......................................................................................................................... 62
3.3V PCI B
US
C
LOCK
（ DC
TO
33MH
Z
) ....................................................................................................................... 63
T
RANSMIT
D
ATA
I
NTERRUPT AT
T
索具
L
伊维尔基尼
........................................................................................................... 64
R
ECEIVE
D
ATA
R
EADY
I
NTERRUPT AT
T
索具
L
伊维尔基尼
................................................................................................. 64
包装尺寸................................................ ................................................ 65
R
EVISION
H
ISTORY
...................................................................................................................................... 66
T
干练
C
ONTENTS
............................................................................................................ I
III
