HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 381

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

12.2.7
SSR is an 8-bit register containing multiprocessor bit values, and status flags that indicate the
operating status of the SCI.
Initial value
Read/Write
Bit
Notes: 1. Only 0 can be written, to clear the flag.
Serial Status Register (SSR)
2. Function differs between the normal serial communication interface and the smart card interface.
TDRE
R/(W)∗
1
7
Transmit data register empty
Status flag indicating that transmit data has been transferred from
TDR into TSR and new data can be written in TDR
1
RDRF
R/(W)∗
0
6
Receive data register full
Status flag indicating that data has been received and stored in RDR
1
ORER FER/ERS
R/(W)∗
5
0
Overrun error
Status flag indicating detection of a receive overrun error
1
R/(W)∗
4
0
Framing error (FER)/Error signal status (ERS)∗
Status flag indicating detection of a receive framing error,
or flag indicating detection of an error signal
1
R/(W)∗
PER
3
0
Parity error
Status flag indicating detection of a receive parity
error
1
Rev.4.00 Aug. 20, 2007 Page 337 of 638
TEND
R
2
1
Transmit end∗
Status flag indicating end of transmission
12. Serial Communication Interface
MPB
R
0
1
Multiprocessor bit
Stores the received
multiprocessor bit value
2
MPBT
Multiprocessor bit transfer
Value of multiprocessor bit
to be transmitted
R/W
0
0
REJ09B0395-0400
2