XR17C158 Exar Corporation, XR17C158 Datasheet - Page 11

• Manufacturer Part Number: XR17C158
• Description: Eight-channel Pci-based (UART)
• Manufacturer: Exar Corporation

XR17C158
REV. 1.0.0
0x000 - 0x00F
0x010 - 0x07F
0x080 - 0x093
0x094 - 0x0FF
0x100
0x100
0x140 - 0x17F
0x180
0x200 - 0x20F
0x210 - 0x2FF
0x300
0x300
0x340 - 0x37F
0x380
0x400 - 0x40F
0x410 - 0x4FF
0x500
0x500
0x540 - 0x57F
0x580
0x600 - 0x60F
0x610 - 0x6FF
0x700
0x700
0x740 - 0x77F
0x780
0x800 - 0x80F
0x810 - 0x8FF
0x900
0x900
0x940 - 0x97F
0x980
O
FFSET
A
DDRESS
PCI BUS OCTAL UART
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
UART channel 4 Regs
Reserved
UART 4 – Read FIFO
UART 4 – Write FIFO
Reserved
UART 4 – Read FIFO
with errors
M
EMORY
T
ABLE
S
PACE
2: XR17C158 D
(Table 10 & 11)
(Table 10 & 11)
(Table 10 & 11)
(Table 10 & 11)
(Table 10 & 11)
R
Read-Only
Write-Only
Read-Only
Read-Only
Read-Only
Read-Only
Read-Only
Read-Only
Read-Only
Read-Only
Read-Only
Write-Only
Write-Only
Write-Only
Write-Only
EAD
(Table 3)
EVICE
/W
RITE
11
C
ONFIGURATION
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
8/16/24/32
8/16/24/32
8/16/24/32
ATA
16/32
16/32
16/32
16/32
16/32
W
IDTH
R
EGISTERS
64 bytes of TX FIFO data
First 8 regs are 16550 compatible
First 8 regs are 16550 compatible
First 8 regs are 16550 compatible
First 8 regs are 16550 compatible
First 8 regs are 16550 compatible
64 bytes of RX FIFO data
64 bytes of RX FIFO data + LSR
d
64 bytes of RX FIFO data
64 bytes of TX FIFO data
64 bytes of RX FIFO data + LSR
64 bytes of RX FIFO data
64 bytes of TX FIFO data
64 bytes of RX FIFO data + LSR
64 bytes of RX FIFO data
64 bytes of TX FIFO data
64 bytes of RX FIFO data + LSR
64 bytes of RX FIFO data
64 bytes of TX FIFO data
64 bytes of RX FIFO data + LSR
PRELIMINARY
C
OMMENT