XC161 Datasheet, PDF (184/419 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units

Field
FDE
OE
FE
PE
OEN
FEN
PEN / RxDI
REN
STP
XC161 Derivatives
Peripheral Units (Vol. 2 of 2)
Asynchronous/Synchronous Serial Interface (ASC)
Bits Type Description
11
rw
Fractional Divider Enable
0 Fractional divider disabled
1 Fractional divider enabled and used as
prescaler for baudrate generator (bit BRS is
don’t care)
10
rwh Overrun Error Flag
Set by hardware on an overrun/underflow error
(OEN = 1). Must be cleared by software.
9
rwh Framing Error Flag
Set by hardware on a framing error (FEN = 1).
Must be cleared by software.
8
rwh Parity Error Flag
Set by hardware on a parity error (PEN = 1).
Must be cleared by software.
7
rw
Overrun Check Enable
0 Ignore overrun errors
1 Check overrun errors
6
rw
Framing Check Enable
(Asynchronous Mode only)
0 Ignore framing errors
1 Check framing errors
5
rw
Parity Check Enable/RxDI Invert in IrDA Mode
All Asynchronous Modes without IrDA Mode (PEN):
0 Ignore parity
1 Check parity
Only in IrDA Mode (RxDI):
0 RxD input is not inverted
1 RxD input is inverted
4
rwh Receiver Enable Bit
0 Receiver disabled
1 Receiver enabled
Note: REN is cleared by hardware after reception of
a byte in synchronous mode.
3
rw
Number of Stop Bits Selection
0 One stop bit
1 Two stop bits
User’s Manual
ASC_X, V2.0
18-41
V2.2, 2004-01