wcoref4_pcb
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wcoref4_pcb [2017/09/16 09:43] – [Assembly] latigid_on | wcoref4_pcb [2017/10/04 22:01] – latigid_on | ||
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^Hardware^^^^^^^^^^ | ^Hardware^^^^^^^^^^ | ||
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The following build order is suggested: | The following build order is suggested: | ||
- | * R7B1-4 (1k) and located near J15_S on the top side | + | * R7B1-4 (1k 1206) and located near J15_S on the top side |
- | * R7B and R8B (2k2) on the bottom side | + | * R7B and R8B (2k2 1206) on the bottom side |
- | * C1A, C1B and C2 on the bottom side | + | * C1A, C1B and C2 (100n 1206) on the bottom side |
- | * IC1A, IC1B and IC2 on the bottom side | + | * IC1A, IC1B (74HCT125) |
- | * Top-side THT components | + | * Top-side THT resistors R7A 2k2, R8A 2k2, R11 1k, R12 10k, R13 1k and diode |
- | * Bottom-side THT components | + | * Bottom-side THT resistors R101 220k, R102 330R |
+ | * Top-side transistor and trimpots | ||
* Bottom-side JPA0 header | * Bottom-side JPA0 header | ||
* Bottom-side 2*25 pin female headers | * Bottom-side 2*25 pin female headers | ||
+ | * for a SEQ v4+ build, consider omitting headers J4B, J5A, J5B, J10A, J10B and J18 | ||
* Top-side male headers, except for J1 | * Top-side male headers, except for J1 | ||
- | * Solder J1 in conjunction with the USB module | + | * Solder J1 in conjunction with the [[wcore_usb|USB module]] |
* Mounting brackets if needed | * Mounting brackets if needed | ||
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{{: | {{: | ||
- | * Looking at the top side of the PCB (with all headers etc.) and J1 at the " | + | * The Core 407v board plugs in on the bottom side with the the USB mini connector located below J4A. |
+ | * Explained another way: the JTAG header | ||
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+ | {{: | ||
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+ | * The 407v board should not protrude past the edge of the PCB. | ||
* Remove the OTG jumpers " | * Remove the OTG jumpers " | ||
* I believe that the correct state of the BOOT CONFIG switch should be set to " | * I believe that the correct state of the BOOT CONFIG switch should be set to " |
wcoref4_pcb.txt · Last modified: 2018/12/18 09:36 by latigid_on