XC164-16 Datasheet, PDF (272/417 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units

XC164-16 Derivatives
Peripheral Units (Vol. 2 of 2)
Asynchronous/Synchronous Serial Interface (ASC)
Autobaud Control Register
The autobaud control register ABCON of the ASC module is used to control the
autobaud detection operation. It contains its general enable bit, the interrupt enable
control bits, and data path control bits.
ASCx_ABCON
Autobaud Control Register ESFR (Table 19-13)
Reset Value: 0000_H
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
-
RX TX
INV INV
ABEM
-
FC
DET
EN
AB
DET
EN
ABS
T
EN
AUR
EN
AB
EN
-
rw rw
rw
-
rw rw rw rw rwh
Field
RXINV
TXINV
ABEM
FCDETEN
ABDETEN
Bits Type Description
11
rw
Receive Inverter Enable
0 Receive inverter disabled
1 Receive inverter enabled
10
rw
Transmit Inverter Enable
0 Transmit inverter disabled
1 Transmit inverter enabled
[9:8] rw
Autobaud Echo Mode Enable
In Echo Mode the serial data at RxD is switched to
TxD output.
00 Echo Mode disabled
01 Echo Mode is enabled during Autobaud
Detection
10 Echo Mode is always enabled
11 Reserved; do not use this combination
4
rw
First Character of Two-Byte Frame Detected
Enable
0 Autobaud Detection interrupt ABDETIR
becomes active after the two-byte frame
recognition
1 Autobaud Detection interrupt ABDETIR
becomes active after detection of the first and
second byte of the two-byte frame
3
rw
Autobaud Detection Interrupt Enable
0 Autobaud Detection interrupt disabled
1 Autobaud Detection interrupt enabled
User’s Manual
ASC_X, V2.0
19-47
V2.1, 2004-03