21.3.2 SPIx Control Register 2
Note:
- These bits are effective when AUDEN =
0only. - Varying the length by changing these bits does not affect the depth of the TX/RX FIFO.
Legend: R = Readable bit, W = Writable bit
| Name: | SPIxCON2 |
| Offset: | 0x1804,0x1824, 0x1844, 0x1864 |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| WLENGTH[4:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | ||||
| Reset | 0 | 0 | 0 | 0 | 0 | ||||
Bits 4:0 – WLENGTH[4:0] Variable Word Length bits(1,2)
| Value | Description |
|---|---|
11111 |
32-bit data |
11110 |
31-bit data |
11101 |
30-bit data |
11100 |
29-bit data |
11011 |
28-bit data |
11010 |
27-bit data |
11001 |
26-bit data |
11000 |
25-bit data |
10111 |
24-bit data |
10110 |
23-bit data |
10101 |
22-bit data |
10100 |
21-bit data |
10011 |
20-bit data |
10010 |
19-bit data |
10001 |
18-bit data |
10000 |
17-bit data |
01111 |
16-bit data |
01110 |
15-bit data |
01101 |
14-bit data |
01100 |
13-bit data |
01011 |
12-bit data |
01010 |
11-bit data |
01001 |
10-bit data |
01000 |
9-bit data |
00111 |
8-bit data |
00110 |
7-bit data |
00101 |
6-bit data |
00100 |
5-bit data |
00011 |
4-bit data |
00010 |
3-bit data |
00001 |
2-bit data |
00000 |
See MODE[32,16] bits in SPIxCON1[11:10] |
