xr16l2750im Exar Corporation, xr16l2750im Datasheet - Page 36

• Manufacturer Part Number: xr16l2750im
• Description: High-performance 2.25v - 5.5v Duart
• Manufacturer: Exar Corporation

XR16L2750
2.25V TO 5.5V DUART WITH 64-BYTE FIFO
DLM and DLL
I/O SIGNALS
REGISTERS
RXRDY#
TXRDY#
XOFF1
XOFF2
EMSR
XON1
XON2
DTR#
OP2#
RTS#
FLVL
RHR
MCR
MSR
THR
FCR
SPR
LCR
LSR
EFR
IER
ISR
INT
FC
TX
T
ABLE
16: UART RESET CONDITIONS FOR CHANNEL A AND B
DLM = 0x00 and DLL = 0x01. Only resets to these values during a power up.
They do not reset when the Reset Pin is asserted.
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 = 0x80
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
HIGH
HIGH
HIGH
HIGH
HIGH
LOW
Three-State Condition
36
RESET STATE
RESET STATE
xr
REV. 1.2.1