diff options
Diffstat (limited to 'CHANGES')
| -rw-r--r-- | CHANGES | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -8,14 +8,15 @@ Changes in release DE1-19: OUT# (OUT 0) Send a byte to the Ethernet controller, leave CS# low C1# (OUT 2) Send a byte to the Ethernet controller, pull CS# high - C2# (OUT 2) Send FF byte to the Ethernet controller, leave CS# low C3# (OUT 4) Local reset - INP# (IN 0) Read a byte from the Ethernet controller, leave CS# low - STATUS# (IN 1) Read a byte from the Ethernet controller, pull CS# high + INP# (IN 0) Read latched byte from controller, leave CS# low + STATUS# (IN 1) Read latched byte from controller, pull CS# high + + OUT#, C1# and INP# trigger a new SPI transaction. Note that reads are "delayed" by one cycle, so it is necessary to - write a dummy byte before doing the first read. + issue a dummy IN 0 before doing the first read. LEDG0 - disk (SD) activity (for real!) LEDG1 - disk selected (like the old LED 0) |