xr17v254 Exar Corporation, xr17v254 Datasheet - Page 14
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xr17v254
Manufacturer Part Number
xr17v254
Description
66mhz Pci Bus Quad Uart With Power Management Support
Manufacturer
Exar Corporation
Datasheet
1.XR17V254.pdf
(70 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
xr17v254IV-F
Manufacturer:
Exar Corporation
Quantity:
10 000
Part Number:
xr17v254IV-F
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
XR17V254
66MHZ PCI BUS QUAD UART WITH POWER MANAGEMENT SUPPORT
0x000 - 0x00F
0x010 - 0x07F
0x080 - 0x093
0x094 - 0x0FF
0x100
0x100
0x140 - 0x17F
0x180 - 0x1FF
0x200 - 0x20F
0x210 - 0x2FF
0x300
0x300
0x340 - 0x37F
0x380 - 0x3FF
0x400 - 0x40F
0x410 - 0x4FF
0x500
0x500
0x540 - 0x57F
0x580 - 0x5FF
0x600 - 0x60F
0x610 - 0x6FF
0x700
0x700
0x740 - 0x77F
0x780 - 0x7FF
O
FFSET
A
DDRESS
UART channel 0 Regs
Reserved
DEVICE CONFIGURA-
TION REGISTERS
Reserved
UART 0 – Read FIFO
UART 0 – Write FIFO
Reserved
UART 0 – Read FIFO
with errors
UART channel 1 Regs
Reserved
UART 1 – Read FIFO
UART 1 – Write FIFO
Reserved
UART 1 – Read FIFO
with errors
UART channel 2 Regs
Reserved
UART 2 – Read FIFO
UART 2 – Write FIFO
Reserved
UART 2 – Read FIFO
with errors
UART channel 3 Regs
Reserved
UART 3 – Read FIFO
UART 3 – Write FIFO
Reserved
UART 3 – Read FIFO
with errors
T
M
ABLE
EMORY
5: XR17V254 UART
S
PACE
(
(
(
(
R
Table 13
Table 13
Table 13
Table 13
Table 14
Read-Only
Write-Only
Read-Only
Table 14
Read-Only
Write-Only
Read-Only
Table 14
Read-Only
Write-Only
Read-Only
Table 14
Read-Only
Write-Only
Read-Only
(
EAD
Table 6
AND
/W
RITE
14
D
)
)
)
)
)
&
&
&
&
EVICE
C
D
ONFIGURATION
8/16//24/32
8/16/24/32
8/16/24/32
8/16/24/32
8/16/24/32
8/16/24/32
8/16/24/32
8/16/24/32
8/16/24/32
8/16/24/32
8/16/24/32
8/16/24/32
8/16/24/32
ATA
16/32
16/32
16/32
16/32
W
IDTH
First 8 regs are 16550 compatible
64 bytes of RX FIFO data
64 bytes of TX FIFO data
64 bytes of RX FIFO data + LSR
First 8 regs are 16550 compatible
64 bytes of RX FIFO data
64 bytes of TX FIFO data
64 bytes of RX FIFO data + LSR
First 8 regs are 16550 compatible
64 bytes of RX FIFO data
64 bytes of TX FIFO data
64 bytes of RX FIFO data + LSR
First 8 regs are 16550 compatible
64 bytes of RX FIFO data
64 bytes of TX FIFO data
64 bytes of RX FIFO data + LSR
R
EGISTERS
C
OMMENT
REV. 1.0.0