xr17v258 Exar Corporation, xr17v258 Datasheet - Page 15

• Manufacturer Part Number: xr17v258
• Description: 66mhz Pci Bus Octal Uart With Power Management Support
• Manufacturer: Exar Corporation

xr
REV. 1.0.0
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: XR17V258 UART
S
PACE
66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT
(
(
(
(
R
Table 13
Table 13
Table 13
Table 13
Read-Only
Read-Only
Read-Only
Read-Only
Read-Only
Read-Only
Read-Only
Read-Only
Table 14
Write-Only
Table 14
Write-Only
Table 14
Write-Only
Table 14
Write-Only
(
EAD
Table 6
AND
/W
RITE
15
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
XR17V258