Datasheet

495
32133D–11/2011
UC3D
24.9.7 Status Register
Name:
SR
Access Type: Read-only
Offset:0x18
Reset Value: 0x000000002
• BTF: Byte Transfer Finished
This bit is cleared when the corresponding bit in SCR is written to one.
This bit is set when byte transfer has completed.
• REP: Repeated Start Received
This bit is cleared when the corresponding bit in SCR is written to one.
This bit is set when a REPEATED START condition is received.
• STO: Stop Received
This bit is cleared when the corresponding bit in SCR is written to one.
This bit is set when the STOP condition is received.
• SMBDAM: SMBus Default Address Match
This bit is cleared when the corresponding bit in SCR is written to one.
This bit is set when the received address matched the SMBus Default Address.
• SMBHHM: SMBus Host Header Address Match
This bit is cleared when the corresponding bit in SCR is written to one.
This bit is set when the received address matched the SMBus Host Header Address.
• GCM: General Call Match
This bit is cleared when the corresponding bit in SCR is written to one.
This bit is set when the received address matched the General Call Address.
• SAM: Slave Address Match
This bit is cleared when the corresponding bit in SCR is written to one.
This bit is set when the received address matched the Slave Address.
• BUSERR: Bus Error
This bit is cleared when the corresponding bit in SCR is written to one.
This bit is set when a misplaced START or STOP condition has occurred.
31 30 29 28 27 26 25 24
-- - -----
23 22 21 20 19 18 17 16
BTF REP STO SMBDAM SMBHHM - GCM SAM
15 14 13 12 11 10 9 8
- BUSERR SMBPECERR SMBTOUT - - - NAK
76 5 43210
ORUN URUN TRA - TCOMP SEN TXRDY RXRDY