XR17D154 Exar Corporation, XR17D154 Datasheet - Page 12

• Manufacturer Part Number: XR17D154
• Description: Four-channel Pci-bus Uart
• Manufacturer: Exar Corporation

áç
áç
PRELIMINARY
áç
áç
O
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
FFSET
A
DDRESS
UART channel 0 Regs
Reserved
DEVICE CONFIG. 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
M
T
EMORY
ABLE
S
2: XR17D154 D
PACE
EVICE
R
(Table 10
Read/Write
(Table 10
Read/Write
(Table 10
Read/Write
(Table 10
Read/Write
Read-Only
Write-Only
Read-Only
Read-Only
Write-Only
Read-Only
Read-Only
Write-Only
Read-Only
Read-Only
Write-Only
Read-Only
Table
Table
Table
Table
EAD
(Table
12
C
/W
UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART
ONFIGURATION
11)
11)
11)
11)
RITE
3)
&
&
&
&
D
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
R
IDTH
EGISTERS
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
C
OMMENT
XR17D154
REV. P1.0.0