XR17D158 Exar Corporation, XR17D158 Datasheet - Page 52

• Manufacturer Part Number: XR17D158
• Description: Eight-channel Pci-bus Uart
• Manufacturer: Exar Corporation

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PRELIMINARY
I/O SIGNALS
DTR#[ch-7:0]
REGISTERS
RTS#[ch-7:0]
IRTX[ch-7:0]
TX[ch-7:0]
RFTRG
XCHAR
TFCNT
TFTRG
RFCNT
XOFF1
XOFF2
FCTR
XON1
XON2
EECK
EECS
T
EEDI
RHR
MCR
MSR
DLM
THR
FCR
SPR
LCR
LSR
EFR
DLL
IER
ISR
ABLE
19: UART RESET CONDITIONS
Bits 7-0 = 0xXX
Bits 7-0 = 0xXX
Bits 7-0 = 0xXX
Bits 7-0 = 0xXX
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 3-0 = logic 0
Bits 7-4 = logic levels of the inputs
Bits 7-0 = 0xFF
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
Logic 1
Logic 0
Logic 1
Logic 1
Logic 0
Logic 0
Logic 0
52
UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART
RESET STATE
RESET STATE
XR17D158
REV. P1.0.0