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en:netzer:s88 [2012/02/17 16:32] svesch GPIO settings added. |
en:netzer:s88 [2014/02/09 14:32] (current) |
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| ====== Accessing S88 feedback bus from Ethernet ====== | ====== Accessing S88 feedback bus from Ethernet ====== | ||
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| + | <note important>For this functionality the **[[io_project|IO project]]** (base or pro) has to be [[fwupdates|uploaded]] to Netzer.</note> | ||
| ===== Preface ===== | ===== Preface ===== | ||
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| | 2 | \J | 0x5C 0x4A | LOAD (at INT-Pin) is set. | | | 2 | \J | 0x5C 0x4A | LOAD (at INT-Pin) is set. | | ||
| | 3 | \t | 0x5C 0x74 | Wait minimum 100 µs (silence). | | | 3 | \t | 0x5C 0x74 | Wait minimum 100 µs (silence). | | ||
| - | | 4 | \2 | 0x5C 0x74 | Reset SPI mode to mode 2. CLOCK automatically changes from 0 to 1. At this point the IOs are loaded into the register through the active LOAD signal. | | + | | 4 | \2 | 0x5C 0x32 | Reset SPI mode to mode 2. CLOCK automatically changes from 0 to 1. At this point the IOs are loaded into the register through the active LOAD signal. | |
| | 5 | \I | 0x5C 0x49 | Activating RESET (at CS-Pin) from 0 to 1. Reset the bus devices to well known state. | | | 5 | \I | 0x5C 0x49 | Activating RESET (at CS-Pin) from 0 to 1. Reset the bus devices to well known state. | | ||
| | 6 | \i | 0x5C 0x69 | Reset RESET from 1 to 0. | | | 6 | \i | 0x5C 0x69 | Reset RESET from 1 to 0. | | ||
