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UARTs
Figure 76.
Baud Rate Generator
CG
48-MHz
(UART/
SIR/MIR
Mhz
modes)
(UART
autobauding
mode)
CG
(FIR
mode)
CG
(IR
modes)
192
Serial Interfaces
/ [1:(2^14 −1)]
DLH,DLL
CG
Before Modifying Clock Parameters
It is recommended that MODE_SELECT = DISABLE (MDR1[2:0] = 111)
be set before attempting to initialize or modify clock parameters controls
(DLH, DLL). Nonobservance of this rule may result in an unpredictable
behavior of the module.
UART/SIR/MIR modes only
(MODE_SELECT
=
16x/13x
UART16x or
UART13x)
CG
/16 or /13
(UART
mode)
/ 16 (SIR)
CG
/41,42 (MIR)
(SIR/MIR
modes)
FIR modes only
/ 6
IrDA modes only
/77(1.6µs—ON),
/341(7.1µs—OFF)
TX UART
RX UART (16x/13x)
TX SIR/MIR
RX SIR (16x),
RX MIR (41,42x)
TX FIR
RX FIR (6x)
1.6/7.1µs SIP
(MIR/FIR),
or
1.6µs pulse
(SIR)
SPRU760B
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