W7500x Reference Manual Version1.1.0
392 / 399
SSP1 Data register (SSP1DR)
Address offset: 0x0008
Reset value: 0x0000_0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
res
res
res
res
res
res
res
res
res
res
res
res
res
res
res
res
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Data
R/W
[15:0] DATA – Transmit/Receive FIFO:
Read: Read: receive FIFO.
Write: transmit FIFO.
You must right-justify data when the SSP1 is programmed for a data size that is less
than 16 bits. Unused bits at the top are ignored by transmit logic. The receive logic
automatically right-justifies.
SSP1 Status register (SSP1SR)
Address offset: 0x000C
Reset value: 0x0000_0003
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
res
res
res
res
res
res
res
res
res
res
res
res
res
res
res
res
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
res
res
res
res
res
res
res
res
res
res
res
BSY
RFF
RNE TNF
TFE
R/W R/W R/W R/W R/W
[0] TFE – Transmit FIFO empty, RO
0 : Transmit FIFO is not empty.
1 : Transmit FIFO is empty.
[1] TNF – Transmit FIFO not full, RO:
0 : Transmit FIFO is full.
1 : Transmit FIFO is not full.
[2] RNE – Receive FIFO not empty, RO:
0 : Receive FIFO is empty.
1 : Receive FIFO is not empty.