xr16c864iq Exar Corporation, xr16c864iq Datasheet - Page 39

• Manufacturer Part Number: xr16c864iq
• Description: Quad Uart With Rx/tx Fifo Counters And 128-byte Fifo
• Manufacturer: Exar Corporation

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REV. 2.0.1
T
I/O SIGNALS
REGISTERS
ABLE
RXRDY#
TXRDY#
XOFF1
XOFF2
EMSR
FSTAT
FCTR
XON1
XON2
DTR#
RTS#
MCR
IRQ#
DLM
RHR
MSR
FLVL
TRG
IRTX
THR
FCR
LCR
LSR
SPR
EFR
DLL
IER
ISR
INT
FC
TX
18: UART RESET CONDITIONS FOR CHANNELS A-D
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 inverted
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 = 0xFF
Logic 1
Logic 0
Logic 1
Logic 1
Logic 1
Logic 0
XR16C864 = Three-State Condition
XR16C864D = Logic 0
Logic 1 (68 mode, INTSEL = 0)
39
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
RESET STATE
RESET STATE
XR16C864