Changes between Initial Version and Version 1 of Spartan-3AN_Starter_Kit_Implementation

Timestamp:

Nov 8, 2013, 10:17:54 AM (11 years ago)

Author:

Eric Hazen

Comment:

--

Spartan-3AN_Starter_Kit_Implementation

@@ +1 @@
+== Serial Interface Documentation ==
+
+
+* [[PicoBlazeControlBlockReleaseNotes]]
+
+
+== Example Serial Controlled Tests ==
+
+=== Test 1 - Auto Scale On ===
+{{{
+  $w 8 0003      Enable test mode, auto scale
+  $w c 1000      Set measurement clock to 4ms period (in microsecond units)
+  $w d 0100      Set phase detector period to 256 measurement clocks
+  $w e 007f      Enable 7 bits randomness on period (0x100-0x17f random)
+  $w 1 1000      Set delay to 25% of maximum value 16383(0x3fff)
+  $w 2 2000      Set width to 50%
+
+}}}
+=== Test 2 - Auto Scale Off - Non-Error State ===
+{{{
+  $w 8 0003      Enable test mode, auto scale
+  $w c 03e8      Set measurement clock to 1ms period (hex number is in microsecond units)
+  $w d 1000      Set phase detector period to 4096 measurement(timing) clocks
+  $w 1 1000      Set delay to 25%
+  $w 2 2000      Set width to 50%
+
+}}}
+=== Test 3 - Auto Scale Off ===
+{{{
+  $w 8 0001      Enable test mode, auto scale off
+  $w c 0014      Set measurement(timing) clock to 20 micro second period
+  $w d 0064      Set phase detector period to 100 measurement(timing) clocks
+  $w 1 000a      Set delay to 10 measurement(timing) clocks
+  $w 2 000a      Set width to 10 measurement(timing) clocks (i.e. 200uS duration)
+
+}}}
+=== Test 4 - Auto Scale Off - Non-Error State ===
+{{{
+  $w 8 0001      Enable test mode, auto scale off
+  $w c 03e8      Set measurement clock to 1ms period (hex number is in microsecond units)
+  $w d 06a4      Set phase detector period to 1700 measurement(timing) clocks
+  $w 1 0000      Set delay to 0
+  $w 2 0064      Set width to 100 measurement(timing) clocks (i.e. 100mS duration)
+
+}}}
+[http://ohm.bu.edu/~pbohn/Bio_Delay_Generator/Documentation/scope_captures Scope Captures]
+
+== Error Cases ==
+
+==== Set Error if: ====
+* 10 micro seconds < ''''timing clock period''' < 2047 micro seconds
+* 1638 timing clocks < ''''phase detector period''' < 16383 timing clocks
+
+
+== Serial Interface Registers ==
+{{{
+  REG   READ/WRITE
+  0     status register
+  1     delay_value (shutter delay, 14 bits, read or write)
+  2     width_value (shutter width, 14 bits, read or write
+  3     pp_delay_count (last measured phase detector period (16 bits, read only)
+  4     cp_width_count (current width count, constantly changing)
+  5     cp_delay_count (current delay count, constantly changing)
+  6     scaled_delay (scaled delay value)
+  7     scaled_width (scaled width value)
+  8     control
+  9     -not used-
+  a     last measured timing clock period in us
+  b     -not used-
+  c     test generator- timing clock period in us
+  d     test generator- phase detector delay period in timing clocks
+  e     test generator- phase detector jitter mask (0 for no jitter)
+  f     test generator- not used
+
+}}}
+
+== Board Button and Switch Assignments =
+
+=== Push Buttons ===
+* Delay Increment Coarse  -- West (loc=U15)
+* Delay Decrement Coarse  -- South (loc=T15)
+* Width Increment Coarse  -- East (loc=T16)
+* Width Decrement Coarse  -- North (loc=T14)
+
+=== Slide Switches ===
+* Reset  -- SW0
+* Auto Scale  -- SW1
+* Shutter Enable -- SW2
+* Shutter Cascade -- SW3
+
+=== Rotary Encoder ===
+* TC_DIVIDER -- ROT_A, ROT_B (select timing clock freq by rotating encoder)
+
+== Board I/O and Pin Assignments ==
+
+=== Inputs: 6-pin header J18 Pins ===
+ 
+ 
+ 
+
+=== Outputs: 6-pin header J20 Pins ===
+ 
+ 
+ 
+ 
+
+=== LEDS ====
+* LD0 -- Test Phase Detector
+* LD1 -- Test Timing Clock
+* LD2 -- Shutter
+* LD7 -- Error
+
+