XC161 Datasheet, PDF (192/419 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units

XC161 Derivatives
Peripheral Units (Vol. 2 of 2)
Asynchronous/Synchronous Serial Interface (ASC)
Autobaud Status Register
The autobaud status register ABSTAT of the ASC module indicates the status of the
autobaud detection operation.
ASCx_ABSTAT
Autobaud Status Register
ESFR (Table 18-13)
Reset Value: 0000_H
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
-
DET
WA
IT
SCC
DET
SCS
DET
FCC
DET
FCS
DET
-
rwh rwh rwh rwh rwh
Field
DETWAIT
SCCDET
SCSDET
Bits Type Description
4
rwh Autobaud Detection is Waiting
0 Either character ‘a’, ‘A’, ‘t’, or ‘T’ has been
detected
1 The autobaud detection unit waits for the first
‘a’ or ‘A’
Bit is cleared when either FCSDET or FCCDET is set
(‘a’ or ‘A’ detected). Bit can be also cleared by
software. DETWAIT is set by hardware when ABEN
is set.
3
rwh Second Character with Capital Letter Detected
0 No capital ‘T’ character detected
1 Capital ‘T’ character detected
Bit is cleared by hardware when ABEN is set or if
FCSDET or FCCDET or SCSDET is set. Bit can be
also cleared by software.
2
rwh Second Character with Small Letter Detected
0 No small ‘t’ character detected
1 Small ‘t’ character detected
Bit is cleared by hardware when ABEN is set or if
FCSDET or FCCDET or SCCDET is set. Bit can be
also cleared by software.
User’s Manual
ASC_X, V2.0
18-49
V2.2, 2004-01