diff doc/Luna-LCD-cable @ 68:72ff023ec6c9

doc/Luna-LCD-cable: written in preparation for making this cable
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 01 May 2020 03:18:08 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/Luna-LCD-cable	Fri May 01 03:18:08 2020 +0000
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+This document defines the pinout of the 25-wire ribbon cable that will connect
+our Luna LCD add-on board to the expansion interface on our Caramel motherboard.
+
+Luna LCD board	Luna LCD board	Wire		Calypso signal
+connector pin	signal name	color		on Caramel board
+----------------------------------------------------------------
+1		DB[15]		brown		D15
+2		DB[14]		red		D14
+3		DB[13]		orange		D13
+4		DB[12]		yellow		D12
+5		DB[11]		green		D11
+6		DB[10]		blue		D10
+7		DB[9]		violet		D9
+8		DB[8]		grey		D8
+9		DB[7]		white		D7
+10		DB[6]		black		D6
+11		DB[5]		brown		D5
+12		DB[4]		red		D4
+13		DB[3]		orange		D3
+14		DB[2]		yellow		D2
+15		DB[1]		green		D1
+16		DB[0]		blue		D0
+17		CS		violet		nCS3
+18		RD		grey		/RD
+19		WR		white		/WR
+20		RS		black		A1
+21		GND		brown		GND
+22		GND		red		GND
+23		RESET		orange		RESET_OUT
+24		Vio		yellow		V-IO
+25		BL_EN		green		MCSI_TXD/GPIO9