XR16V794 Datasheet, PDF (42/53 Pages) Exar Corporation – HIGH PERFORMANCE 2.25V TO 3.6V QUAD UART WITH FRACTIONAL

XR16V794
HIGH PERFORMANCE 2.25V TO 3.6V QUAD UART WITH FRACTIONAL BAUD RATE
REV. 1.0.0
TABLE 19: UART RESET CONDITIONS
REGISTERS
RESET STATE
I/O SIGNALS
DLL
Bits 7-0 = 0x01
TX[ch-3:0]
DLM
Bits 7-0 = 0x00
IRTX[ch-3:0]
DLD
Bits 7-0 = 0x00
RTS#[ch-3:0]
RHR
Bits 7-0 = 0xXX
DTR#[ch-3:0]
THR
Bits 7-0 = 0xXX
IER
Bits 7-0 = 0x00
FCR
Bits 7-0 = 0x00
ISR
Bits 7-0 = 0x01
LCR
Bits 7-0 = 0x00
MCR
Bits 7-0 = 0x00
LSR
Bits 7-0 = 0x60
MSR
Bits 3-0 = logic 0
Bits 7-4 = logic levels of the inputs
SPR
Bits 7-0 = 0xFF
FCTR
Bits 7-0 = 0x00
EFR
Bits 7-0 = 0x00
TFCNT
Bits 7-0 = 0x00
TFTRG
Bits 7-0 = 0x00
RFCNT
Bits 7-0 = 0x00
RFTRG
Bits 7-0 = 0x00
XCHAR
Bits 7-0 = 0x00
XON1
Bits 7-0 = 0x00
XON2
Bits 7-0 = 0x00
XOFF1
Bits 7-0 = 0x00
XOFF2
Bits 7-0 = 0x00
RESET STATE
HIGH
LOW
HIGH
HIGH
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