at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 583
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at91sam9263
Manufacturer Part Number
at91sam9263
Description
At91 Arm Thumb Microcontrollers
Manufacturer
ATMEL Corporation
Datasheet
1.AT91SAM9263.pdf
(1065 pages)
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34.8.13
Name:
Access Type:
• TXRDY: Transmit Ready
0: Data has been loaded in SSC_THR and is waiting to be loaded in the Transmit Shift Register (TSR).
1: SSC_THR is empty.
• TXEMPTY: Transmit Empty
0: Data remains in SSC_THR or is currently transmitted from TSR.
1: Last data written in SSC_THR has been loaded in TSR and last data loaded in TSR has been transmitted.
• ENDTX: End of Transmission
0: The register SSC_TCR has not reached 0 since the last write in SSC_TCR or SSC_TNCR.
1: The register SSC_TCR has reached 0 since the last write in SSC_TCR or SSC_TNCR.
• TXBUFE: Transmit Buffer Empty
0: SSC_TCR or SSC_TNCR have a value other than 0.
1: Both SSC_TCR and SSC_TNCR have a value of 0.
• RXRDY: Receive Ready
0: SSC_RHR is empty.
1: Data has been received and loaded in SSC_RHR.
• OVRUN: Receive Overrun
0: No data has been loaded in SSC_RHR while previous data has not been read since the last read of the Status Register.
1: Data has been loaded in SSC_RHR while previous data has not yet been read since the last read of the Status Register.
• ENDRX: End of Reception
0: Data is written on the Receive Counter Register or Receive Next Counter Register.
1: End of PDC transfer when Receive Counter Register has arrived at zero.
• RXBUFF: Receive Buffer Full
0: SSC_RCR or SSC_RNCR have a value other than 0.
6249D–ATARM–20-Dec-07
RXBUFF
31
23
15
–
–
–
7
SSC Status Register
ENDRX
30
22
14
SSC_SR
Read-only
–
–
–
6
OVRUN
29
21
13
–
–
–
5
RXRDY
28
20
12
–
–
–
4
TXBUFE
RXSYN
27
19
11
–
–
3
AT91SAM9263 Preliminary
TXSYN
ENDTX
26
18
10
–
–
2
TXEMPTY
RXEN
CP1
25
17
–
9
1
TXRDY
TXEN
CP0
24
16
–
8
0
583
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