XR17V354 Datasheet, PDF (11/66 Pages) Exar Corporation – HIGH PERFORMANCE QUAD PCI-EXPRESS UART

REV. P1.0.2
ADDRESS
OFFSET
BITS
0x10 31:14
13:0
0x14
0x18h
0x1C
0x20
0x24
0x28
0x2C
31:0
31:0
31:0
31:0
31:0
31:0
31:16
15:0
0x30 31:0
0x34 31:8
7:0
0x38 31:0
0x3C 31:24
23:16
15:8
7:0
0x40 31:0
0x44 31:0
0x48 31:0
0x4C 31:0
0x50 31:16
15:8
7:0
0x54-0x67 31:0
0x68 31:16
15:8
7:0
0x6C-0x77 31:0
PRELIMINARY
XR17V354
HIGH PERFORMANCE QUAD PCI-EXPRESS UART
TABLE 1: PCI LOCAL BUS CONFIGURATION SPACE REGISTERS
TYPE
DESCRIPTION
RESET VALUE
(HEX OR BINARY)
RWR Memory Base Address Register (BAR0)
0x00000
RO Claims an 16K address space for the memory mapped UARTs
including the UARTs on the expansion interface.
0x0000
RWR Unimplemented Base Address Register (returns zeros)
0x00000000
RO Unimplemented Base Address Register (returns zeros)
0x00000000
RO Unimplemented Base Address Register (returns zeros)
0x00000000
RO Unimplemented Base Address Register (returns zeros)
0x00000000
RO Unimplemented Base Address Register (returns zeros)
0x00000000
RO Reserved
0x00000000
EWR Subsystem ID (write from external EEPROM by customer)
0x0000
EWR
Subsystem Vendor ID (write from external EEPROM by cus-
tomer)
0x0000
RO Expansion ROM Base Address (Unimplemented)
0x00000000
RO Reserved (returns zeros)
0x000000
RO Capability Pointer
0x50
RO Reserved (returns zeros)
0x00000000
RO Unimplemented MAXLAT
0x00
RO Unimplemented MINGNT
0x00
RO Interrupt Pin, use INTA#.
0x01
RWR Interrupt Line.
0xXX
RO Not implemented or not applicable (return zeros)
0x00000000
RO CSR
0x02106160
RO Not implemented or not applicable (return zeros)
0x00000000
RO Not implemented or not applicable (return zeros)
0x00000000
RO 64-bit address capable
0x0080
RO Next Capability Pointer
0x78
RO MSI Capable Capability ID
0x05
RO Not implemented or not applicable (return zeros)
0x00000000
RO Not implemented or not applicable (return zeros)
0x0000
RO Next Capability Pointer
0x78
RO MSI-X Capable Capability ID
0x11
RO Not implemented or not applicable (return zeros)
0x00000000
11