xr16m681 Exar Corporation, xr16m681 Datasheet - Page 41

• Manufacturer Part Number: xr16m681
• Description: 1.62v To 3.63v Uart With 32-byte Fifo And Vlio Interface
• Manufacturer: Exar Corporation

REV. 1.0.0
(Both TX and RX)
I/O SIGNALS
REGISTERS
DLM, DLL
XOFF1
XOFF2
EMSR
XON1
XON2
FCTR
DTR#
RTS#
MCR
RHR
MSR
DLD
THR
FCR
LCR
SPR
TRG
EFR
LSR
IER
ISR
INT
FC
TX
T
ABLE
1.62V TO 3.63V UART WITH 32-BYTE FIFO AND VLIO INTERFACE
DLM = 0x00 and DLL = 0x01. Only resets to these val-
ues 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 7-0 =0xX0 (Read-only)
Bits 7-4 = 0000 (Write-only)
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
HIGH
HIGH
HIGH
Three-State Condition
16: UART RESET CONDITIONS
41
RESET STATE
RESET STATE
XR16M681