xr16m2751 Exar Corporation, xr16m2751 Datasheet - Page 40

• Manufacturer Part Number: xr16m2751
• Description: High Performance Duart With 64-byte Fifo And Powersave
• Manufacturer: Exar Corporation

XR16M2751
1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
I/O SIGNALS
REGISTERS
DLM, DLL
RXRDY#
TXRDY#
XOFF1
XOFF2
(IRQ#)
EMSR
XON1
XON2
OP2#
RTS#
DTR#
MCR
FLVL
RHR
MSR
DLD
THR
FCR
LCR
SPR
EFR
LSR
IER
ISR
INT
FC
TX
T
ABLE
17: 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 = 0x00
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 (16 mode)
HIGH (68 mode)
40
RESET STATE
RESET STATE
REV. 1.0.0