XC886/888CLM
Serial Interfaces
User’s Manual
12-19
V1.3, 2010-02
Serial Interfaces, V 1.0
Register FDCON contains the control and status bits for the fractional divider, and also
the status flags used in LIN protocol support (see
FDCON
Fractional Divider Control Register
Reset Value: 00
H
7
6
5
4
3
2
1
0
BGS
SYNEN
ERRSYN
EOFSYN
BRK
NDOV
FDM
FDEN
rw
rw
rwh
rwh
rwh
rwh
rw
rw
Field
Bits
Type Description
FDEN
0
rw
Fractional Divider Enable Bit
0
Fractional Divider is disabled, only prescaler is
considered.
1
Fractional Divider is enabled.
FDM
1
rw
Fractional Divider Mode Select
0
Fractional Divider Mode is selected.
1
Normal Divider Mode is selected.
NDOV
2
rwh
Overflow Flag in Normal Divider Mode
This bit is set by hardware and can only be cleared
by software.
0
Interrupt request is not active.
1
Interrupt request is active.
BRK
3
rwh
Break Field Flag
This bit is set by hardware and can only be cleared
by software.
0
Break Field is not detected.
1
Break Field is detected.
EOFSYN
4
rwh
End of SYN Byte Flag
This bit is set by hardware and can only be cleared
by software.
0
End of SYN Byte is not detected.
1
End of SYN Byte is detected.
ERRSYN
5
rwh
SYN Byte Error Flag
This bit is set by hardware and can only be cleared
by software.
0
Error is not detected in SYN Byte.
1
Error is detected in SYN Byte.
*