FreeCalypso > hg > freecalypso-docs
changeset 61:da5113856f3b
FC-handset-spec: Venus DUART & CTL interfaces documented
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 13 Jun 2021 05:27:45 +0000 |
| parents | f0d9a2cf15d2 |
| children | 42d53bfbcca3 |
| files | FC-handset-spec |
| diffstat | 1 files changed, 14 insertions(+), 0 deletions(-) [+] |
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--- a/FC-handset-spec Sun Jun 13 04:57:31 2021 +0000 +++ b/FC-handset-spec Sun Jun 13 05:27:45 2021 +0000 @@ -1404,3 +1404,17 @@ Instead our Venus board will feature both LPG and PWL LEDs (i.e., LEDs controlled by the respective Calypso outputs) exactly like D-Sample, and either of these LEDs can be used to simulate vibrator on/off state. + +3.10. Host computer interface + +The host interface model on FC Venus will need to follow that of section 1.12. +More specifically, our Venus board will implement the mobile side of the "wall" +between USB and mobile power domains, complete with all provisions of section +1.12.2 for the mobile side, whereas the USB domain is already implemented on our +DUART28 adapter board. The two domains will be interconnected with a ribbon +cable in the FC Venus lab bench setup. The 10-pin DUART header will have our +standardized FreeCalypso DUART pinout. + +Also following the principal design of section 1.12.3, there will be a 3-pin +header on the Venus board bringing out RPWON, nTESTRESET and GND, to be +connected to the boot control header on DUART28C.