xr17v258 Exar Corporation, xr17v258 Datasheet - Page 16

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

XR17V258
66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT
0x800 - 0x80F
0x810 - 0x8FF
0x900
0x900
0x940 - 0x97F
0x980 - 0x9FF
0xA00 - 0xA0F
0xA10 - 0xAFF
0xB00
0xB00
0xB40 - 0xB7F
0xB80 - 0xBFF
0xC00 - 0xC0F
0xC10 - 0xCFF
0xD00
0xD00
0xD40 - 0xD7F
0xD80 - 0xDFF
0xE00 - 0xE0F
0xE10 - 0xEFF
0xF00
0xF00
0xF40 - 0xF7F
0xF80 - 0xFFF
O
FFSET
A
DDRESS
UART channel 4 Regs
Reserved
UART 4 – Read FIFO
UART 4 – Write FIFO
Reserved
UART 4 – Read FIFO
with errors
UART channel 5 Regs
Reserved
UART 5 – Read FIFO
UART 5 – Write FIFO
Reserved
UART 5 – Read FIFO
with errors
UART channel 6 Regs
Reserved
UART 6 – Read FIFO
UART 6 – Write FIFO
Reserved
UART 6 – Read FIFO
with errors
UART channel 7 Regs
Reserved
UART 7 – Read FIFO
UART 7 – Write FIFO
Reserved
UART 7 – Read FIFO
with errors
T
M
ABLE
EMORY
5: XR17V258 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
AND
/W
RITE
16
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
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
xr
REV. 1.0.0