Status register – Samsung S3F401F User Manual
Page 219

SSP
S3F401F_UM_REV1.00
10-18
Status Register
SSPSR (0x00C)
Access: Read Only
31 30 29 28 27 26 25 24
−
−
−
−
−
−
−
−
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
23 22 21 20 19 18 17 16
−
−
−
−
−
−
−
−
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
15 14 13 12 11 10 9 8
−
−
−
−
−
−
−
−
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
7 6 5 4 3 2 1 0
−
−
−
BSY
RFF
RNE
TNF
TFE
R-0 R-0 R-0 R-0 R-0 R-0 R-1 R-1
W: Write
R: Read
-0: 0 After reset
-1: 1 After reset
-U: Undefined after reset
TFE
Transmit FIFO Empty Status Bit
0 = Transmit FIFO is not empty
1 = Transmit FIFO is empty
TNF
Transmit FIFO Full Status Bit
0 = Transmit FIFO is full
1 = Transmit FIFO is not full
RNE
Receive Empty Status Bit
0 = Receive FIFO is empty
1 = Receive FIFO is not empty
RFF
Receive FIFO Full Status Bit
0 = Receive FIFO is not full
1 = Receive is full
BSY
Prime-Cell SSP Busy Flag Bit
0 = SSP is idle
1 = SSP is currently transmitting and/or receiving a frame or the transmit FIFO is not empty.