mc9s08dn60 Freescale Semiconductor, Inc, mc9s08dn60 Datasheet - Page 239

• Manufacturer Part Number: mc9s08dn60
• Description: Hcs08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

13.2.5
This register has one read-only status flag.
Freescale Semiconductor
RXEDGIF
Reset
LBKDIF
RXINV
RWUID
BRK13
Field
Field
FE
PF
1
0
7
6
4
3
2
W
R
1
LBKDIF
SCI Status Register 2 (SCI1S2)
Framing Error Flag — FE is set at the same time as RDRF when the receiver detects a logic 0 where the stop
bit was expected. This suggests the receiver was not properly aligned to a character frame. To clear FE, read
SCI1S1 with FE = 1 and then read the SCI data register (SCI1D).
0 No framing error detected. This does not guarantee the framing is correct.
1 Framing error.
Parity Error Flag — PF is set at the same time as RDRF when parity is enabled (PE = 1) and the parity bit in
the received character does not agree with the expected parity value. To clear PF, read SCI1S1 and then read
the SCI data register (SCI1D).
0 No parity error.
1 Parity error.
LIN Break Detect Interrupt Flag — LBKDIF is set when the LIN break detect circuitry is enabled and a LIN break
character is detected. LBKDIF is cleared by writing a “1” to it.
0 No LIN break character has been detected.
1 LIN break character has been detected.
RxD Pin Active Edge Interrupt Flag — RXEDGIF is set when an active edge (falling if RXINV = 0, rising if
RXINV=1) on the RxD pin occurs. RXEDGIF is cleared by writing a “1” to it.
0 No active edge on the receive pin has occurred.
1 An active edge on the receive pin has occurred.
Receive Data Inversion — Setting this bit reverses the polarity of the received data input.
0 Receive data not inverted
1 Receive data inverted
Receive Wake Up Idle Detect— RWUID controls whether the idle character that wakes up the receiver sets the
IDLE bit.
0 During receive standby state (RWU = 1), the IDLE bit does not get set upon detection of an idle character.
1 During receive standby state (RWU = 1), the IDLE bit gets set upon detection of an idle character.
Break Character Generation Length — BRK13 is used to select a longer transmitted break character length.
Detection of a framing error is not affected by the state of this bit.
0 Break character is transmitted with length of 10 bit times (11 if M = 1)
1 Break character is transmitted with length of 13 bit times (14 if M = 1)
0
7
= Unimplemented or Reserved
RXEDGIF
0
6
Table 13-5. SCI1S1 Field Descriptions (continued)
Figure 13-9. SCI Status Register 2 (SCI1S2)
Table 13-6. SCI1S2 Field Descriptions
MC9S08DN60 Series Data Sheet, Rev 2
0
0
5
RXINV
0
4
Description
Description
RWUID
Chapter 13 Serial Communications Interface (S08SCIV4)
3
0
BRK13
0
2
LBKDE
0
1
RAF
0
0
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