xr17v254 Exar Corporation, xr17v254 Datasheet - Page 57
xr17v254
Manufacturer Part Number
xr17v254
Description
66mhz Pci Bus Quad Uart With Power Management Support
Manufacturer
Exar Corporation
Datasheet
1.XR17V254.pdf
(70 pages)
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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:
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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