konarak/nand2
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

typo in description of in[8]

Browse Source
This commit is contained in:
Michael Schröder 2023-02-03 15:39:21 +01:00
parent 971b323822
commit 6f6eb8436a
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
06_IO_Devices/03_SPI/Readme.md
View File

@ -7,11 +7,11 @@ The special function register `SPI` memory mapped to address 4100 enables HACK
### Chip specification ### Chip specification
| IN/OUT | wire | function | | IN/OUT | wire | function |
| ------ | -------- | ------------------------------------------- | | ------ | -------- | --------------------------------------------------- |
| IN | in[7:0] | byte to be sent. | | IN | in[7:0] | byte to be sent. |
| IN | in[8] | =1 send byte and set CSX low | | IN | in[8] | =0 (and load=1) send byte and set CSX low |
| IN | in[8] | =0 pull CSX high without sending byte | | IN | in[8] | =1 (and load =1) pull CSX high without sending byte |
| IN | load | =1 initiates the transmission, when in[8]=1 | | IN | load | =1 initiates the transmission, when in[8]=0 |
| OUT | out[15] | =0 chip is busy, =0 chip is ready | | OUT | out[15] | =0 chip is busy, =0 chip is ready |
| OUT | out[7:0] | received byte (when out[15]=0) | | OUT | out[7:0] | received byte (when out[15]=0) |
| OUT | CSX | chip select not | | OUT | CSX | chip select not |