HDL_workflow/HyperRAM.mdwn

   1 # HyperRAM connections
   2
   3 * jumper wires <https://www.amazon.co.uk/Elegoo-120pcs-Multicolored-Breadboard-arduino-colorful/dp/B01EV70C78/>
   4 * Note that cables have to be really short, they may need to
   5   be constructed and soldered
   6   <https://www.amazon.co.uk/HALJIA-2-54mm-Dupont-Jumper-Connectors/dp/B06WWB66WL/>
   7 * nmigen [hyperram.py](https://git.libre-soc.org/?p=lambdasoc.git;a=blob;f=lambdasoc/periph/hyperram.py;hb=HEAD) module
   8 * Winbond Datasheet for Quad 1bitsqared PMOD:
   9   <https://ftp.libre-soc.org/W956x8MBYA_64Mb_HyperBus_pSRAM_TFBGA24_datasheet_A01-005_20211208.pdf>
  10 * Winbond Verilog Model for W956A8MBY:
  11   <https://www.winbond.com/resource-files/W956x8MBY_verilog_p.zip>
  12 * [[shakti/m_class/HyperRAM]]
  13 * <https://github.com/icebreaker-fpga/icebreaker-pmod/tree/master/quadhyperram>
  14 * <https://hackaday.io/project/168594-feather-wing-pmod-adapter> <https://github.com/TomKeddie/prj-pmod-feather>
  15
  16 ```
  17 from nmigen.resources.memory import HyperRAMResources
  18 hyperram_ios = HyperRAMResources(cs_n="B13 C13 A12 A13",
  19                                  dq="E14 C11 B10 E12 D12 A9 D11 D14",
  20                                  rwds="C14", rst_n="E13", clk_p="D13",
  21                                  clk_n="A14", # only in DDR mode
  22                                                                  attrs=IOStandard("LVCMOS33"))
  23 self.platform.add_extension(hyperram_ios)
  24 io = self.platform.request("hyperram")
  25 hyperram = HyperRAM(io=io, phy_kls=HyperRAMPHY,
  26                     latency=7) # Winbond W956D8MBYA
  27                                # latency=6 for Cypress S27KL0641DABHI020
  28 ```
  29
  30 ## 1bitsquared HyperRAM PMOD
  31
  32 * <https://1bitsquared.de/products/pmod-hyperram>
  33
  34 | Pin    | Function | Colour   | Pin    | Function | Colour   |
  35 | ---    | -------- | ---------| ---    | -------- | ---------|
  36 | Top 7  | CS3N     | Blue     | Top 1  | CS2N     | Green    |
  37 | Top 8  | CS1N     | Purple   | Top 2  | CS0N     | Orange   |
  38 | Top 9  | RESETN   | Grey     | Top 3  | CK       | Yellow   |
  39 | Top 10 | RWDS     | White    | Top 4  | CKN      | Brown    |
  40 | Top 11 | GND      | Black    | Top 5  | GND      | Black    |
  41 | Top 12 | 3V3      | Red      | Top 6  | 3V3      | Red      |
  42
  43 | Pin    | Function | Colour   | Pin    | Function | Colour   |
  44 | ---    | -------- | ---------| ---    | -------- | ---------|
  45 | Bot 7  | DQ7      | Blue     | Bot 1  | DQ0      | Green    |
  46 | Bot 8  | DQ6      | Purple   | Bot 2  | DQ1      | Orange   |
  47 | Bot 9  | DQ5      | Grey     | Bot 3  | DQ2      | Yellow   |
  48 | Bot 10 | DQ4      | White    | Bot 4  | DQ3      | Brown    |
  49 | Bot 11 | GND      | Black    | Bot 5  | GND      | Black    |
  50 | Bot 12 | 3V3      | Red      | Bot 6  | 3V3      | Red      |
  51
  52 [[!img HDL_workflow/ENtvxc9WwAAGyzl.png size="400x" ]]
  53 [[!img HDL_workflow/ENxOeloWsAMSw5u.jpeg size="500x" ]]
  54
  55 [[!img HDL_workflow/ENw4bZ8W4AM8FOS.png size="900x" ]]
  56
  57 [[!img HDL_workflow/pmod-hyperram-64mbit-dual-pmod_large.jpg size="700x" ]]
  58
  59 [[!img HDL_workflow/hyperram_connected_pmod.jpg size="700x" ]]
  60
  61 # VERSA ECP5 Connections
  62
  63 Table of connections:
  64
  65 | X4  pin #   | FPGA IO PAD |  Function | Wire Colour|
  66 |-------------|-------------|-----------|------------|
  67 |    3 IO0    |     A12     |    (CS2N) |   Green    |
  68 |    4 IO1    |     A13     |    (CS3N) |   Blue     |
  69 |    5 IO2    |     B13     |    (CS0N) |   Orange   |
  70 |    6 IO3    |     C13     |    (CS1N) |   Purple   |
  71 |    7 IO4    |     D13     |    (CK)   |   Yellow   |
  72 |    8 IO5    |     E13     |    (RSTN) |   Grey     |
  73 |    9 IO6    |     A14     |    (CKN)  |   Brown    |
  74 |   10 IO7    |     C14     |    (RWDS) |   White    |
  75 |   11 IO8    |     D14     |    (DQ7)  |   Blue     |
  76 |   12 IO9    |     E14     |    (DQ0)  |   Green    |
  77 |   13 IO10   |     D11     |    (DQ6)  |   Purple   |
  78 |   14 IO11   |     C11     |    (DQ1)  |   Orange   |
  79 |   15 IO12   |     A9      |    (DQ5)  |   Grey     |
  80 |   16 IO13   |     B10     |    (DQ2)  |   Yellow   |
  81 |   17 IO14   |     D12     |    (DQ4)  |   White    |
  82 |   18 IO15   |     E12     |    (DQ3)  |   Brown    |
  83 |   19 GND    |     GND     |    (GND)  |   Black    |
  84 |   20 +3.3V  | 3.3V supply |    (VCC)  |   Red      |
  85
  86 [[!img HDL_workflow/versa_ecp5_x4_hyperram.png size="900x" ]]
  87
  88 [[!img 2020-11-03_13-25.png size="900x" ]]
  89
  90 # Digilent Arty a7-100t Connections
  91
  92 See <https://digilent.com/reference/_media/reference/programmable-logic/arty/arty_rm.pdf>
  93
  94 [[!img 2022-03-22_15-56.png size="900x" ]]