XR16M781 Exar Corporation, XR16M781 Datasheet - Page 42
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XR16M781
Manufacturer Part Number
XR16M781
Description
1.62V TO 3.63V UART
Manufacturer
Exar Corporation
Datasheet
1.XR16M781.pdf
(52 pages)
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www.DataSheet4U.com
XR16M781
1.62V TO 3.63V UART WITH 64-BYTE FIFO AND VLIO INTERFACE
(Both TX and RX)
I/O SIGNALS
REGISTERS
DLM, DLL
XOFF1
XOFF2
EMSR
FCTR
XON1
XON2
RTS#
DTR#
MCR
RHR
MSR
DLD
THR
FCR
LCR
SPR
TRG
EFR
LSR
IER
ISR
INT
FC
TX
T
ABLE
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
18: UART RESET CONDITIONS
42
RESET STATE
RESET STATE
REV. 1.0.1