xr17v254 Exar Corporation, xr17v254 Datasheet - Page 57
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xr17v254
Manufacturer Part Number
xr17v254
Description
66mhz Pci Bus Quad Uart With Power Management Support
Manufacturer
Exar Corporation
Datasheet
1.XR17V254.pdf
(70 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
xr17v254IV-F
Manufacturer:
Exar Corporation
Quantity:
10 000
Part Number:
xr17v254IV-F
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
REV. 1.0.0
REGISTERS
RFCNT
RFTRG
XCHAR
TFCNT
TFTRG
XOFF1
XOFF2
XON1
XON2
FCTR
RHR
MCR
MSR
DLM
THR
FCR
SPR
DLD
LCR
LSR
EFR
DLL
IER
ISR
Bits [7:4] = logic levels of the inputs
Bits [3:0] = logic 0
Bits [7:0] = 0xXX
Bits [7:0] = 0xXX
Bits [7:0] = 0xFF
Bits [7:0] = 0x01
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x01
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x60
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x00
Bits [7:0] = 0x00
RESET STATE
66MHZ PCI BUS QUAD UART WITH POWER MANAGEMENT SUPPORT
T
ABLE
21: UART RESET CONDITIONS
57
I/O SIGNALS
DTR#[ch-3:0]
RTS#[ch-3:0]
IRTX[ch-3:0]
TX[ch-3:0]
EECK
EECS
EEDI
RESET STATE
HIGH
HIGH
HIGH
LOW
LOW
LOW
LOW
XR17V254