Index: trunk/hardware/blto2/blto2.kicad_sch
===================================================================
--- trunk/hardware/blto2/blto2.kicad_sch	(revision 1)
+++ trunk/hardware/blto2/blto2.kicad_sch	(revision 8)
@@ -5,4 +5,10 @@
 	(uuid "c9c900c0-36ef-40a0-bfd2-20f77fa08f61")
 	(paper "A3")
+	(title_block
+		(title "BLTO2")
+		(date "2026-08-22")
+		(rev "1.00.00")
+		(company "ECS Falko Jahn e.K,")
+	)
 	(lib_symbols)
 	(text_box "Note:\nName of supply rails is correspondendig to STM32N6570-DK"
@@ -37,4 +43,14 @@
 		(uuid "08242a68-4191-47bd-b078-9d7f8aacf82f")
 	)
+	(wire
+		(pts
+			(xy 184.15 139.7) (xy 190.5 139.7)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "0a40eb26-595a-4c48-b1d8-f1b341e471e3")
+	)
 	(polyline
 		(pts
@@ -49,5 +65,5 @@
 	(wire
 		(pts
-			(xy 222.25 73.66) (xy 234.95 73.66)
+			(xy 222.25 73.66) (xy 247.65 73.66)
 		)
 		(stroke
@@ -59,5 +75,5 @@
 	(wire
 		(pts
-			(xy 222.25 77.47) (xy 234.95 77.47)
+			(xy 222.25 77.47) (xy 247.65 77.47)
 		)
 		(stroke
@@ -89,4 +105,14 @@
 	(wire
 		(pts
+			(xy 293.37 151.13) (xy 293.37 160.02)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "2c4eadca-c36f-4ee7-93b5-322c2481ef1e")
+	)
+	(wire
+		(pts
 			(xy 184.15 85.09) (xy 184.15 133.35)
 		)
@@ -109,5 +135,5 @@
 	(wire
 		(pts
-			(xy 114.3 81.28) (xy 114.3 127)
+			(xy 114.3 81.28) (xy 114.3 146.05)
 		)
 		(stroke
@@ -139,5 +165,5 @@
 	(wire
 		(pts
-			(xy 222.25 80.01) (xy 234.95 80.01)
+			(xy 222.25 80.01) (xy 247.65 80.01)
 		)
 		(stroke
@@ -177,4 +203,24 @@
 		(uuid "42b499f4-238d-4efc-94cb-d76a3bd269a6")
 	)
+	(wire
+		(pts
+			(xy 266.7 179.07) (xy 279.4 179.07)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "44c40d2c-03b1-451d-8b28-275eeb121e93")
+	)
+	(wire
+		(pts
+			(xy 234.95 88.9) (xy 247.65 88.9)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "4866bcc9-eeb6-448c-b471-0785fa11d7ec")
+	)
 	(polyline
 		(pts
@@ -217,4 +263,14 @@
 		(uuid "4e6a5f00-9f4e-47ac-b07e-24152859004b")
 	)
+	(wire
+		(pts
+			(xy 114.3 146.05) (xy 190.5 146.05)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "51b47555-1d4b-479a-aae4-57a83e5e1554")
+	)
 	(polyline
 		(pts
@@ -229,5 +285,5 @@
 	(wire
 		(pts
-			(xy 222.25 82.55) (xy 234.95 82.55)
+			(xy 222.25 82.55) (xy 247.65 82.55)
 		)
 		(stroke
@@ -247,4 +303,24 @@
 		(uuid "776b62a7-75f0-4302-ad51-abcfaf6f9b69")
 	)
+	(bus
+		(pts
+			(xy 260.35 175.26) (xy 279.4 175.26)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "83890bdc-8881-4776-bd96-eb64f4529a7a")
+	)
+	(wire
+		(pts
+			(xy 295.91 151.13) (xy 295.91 160.02)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "83eb208e-f915-44fc-aaae-ef59a671802b")
+	)
 	(polyline
 		(pts
@@ -259,5 +335,5 @@
 	(wire
 		(pts
-			(xy 222.25 71.12) (xy 234.95 71.12)
+			(xy 222.25 71.12) (xy 247.65 71.12)
 		)
 		(stroke
@@ -319,5 +395,25 @@
 	(wire
 		(pts
-			(xy 222.25 85.09) (xy 234.95 85.09)
+			(xy 266.7 181.61) (xy 279.4 181.61)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "acb73dac-95d8-4219-b765-869fcaeadbdb")
+	)
+	(wire
+		(pts
+			(xy 273.05 143.51) (xy 279.4 143.51)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "b1ab611f-ac80-4810-ab5e-366930b8dbe5")
+	)
+	(wire
+		(pts
+			(xy 222.25 85.09) (xy 247.65 85.09)
 		)
 		(stroke
@@ -357,4 +453,14 @@
 		(uuid "c0600b3d-adbc-4017-9e2b-332a24d46e60")
 	)
+	(bus
+		(pts
+			(xy 260.35 139.7) (xy 279.4 139.7)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "c18b6a61-6fb8-4793-92a8-1cebd556ee79")
+	)
 	(polyline
 		(pts
@@ -417,4 +523,14 @@
 		(uuid "fc5d77c6-5e06-48a2-a99d-1005f6842d9b")
 	)
+	(wire
+		(pts
+			(xy 285.75 114.3) (xy 285.75 127)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "fd202ab8-accd-499c-9c62-735de4d52a81")
+	)
 	(polyline
 		(pts
@@ -427,6 +543,106 @@
 		(uuid "ff76285c-bca5-4a30-8a65-84740cbe66a1")
 	)
+	(label "VDDA1V8"
+		(at 285.75 114.3 270)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify right bottom)
+		)
+		(uuid "2f84d74d-911d-4f36-b0f8-4b2df0e61550")
+	)
+	(label "NRST"
+		(at 266.7 181.61 0)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify left bottom)
+		)
+		(uuid "314cbe8f-b176-4a52-b0ee-850a07c10850")
+	)
+	(label "VDDIO_SD"
+		(at 266.7 179.07 0)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify left bottom)
+		)
+		(uuid "5e3116d4-5644-4ef8-9e55-0f08f4de04c9")
+	)
+	(label "VDDA1V8"
+		(at 228.6 80.01 0)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify left bottom)
+		)
+		(uuid "6c21b860-490e-4e55-9801-c80573f0d770")
+	)
+	(label "VDD3V3"
+		(at 295.91 151.13 270)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify right bottom)
+		)
+		(uuid "7749f863-788d-4315-8a42-31f6e92d057b")
+	)
+	(label "VDDIO_SD"
+		(at 234.95 88.9 0)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify left bottom)
+		)
+		(uuid "a671af9b-af14-4c68-a0bc-235e2ec5f1ee")
+	)
+	(label "VDDA1V8"
+		(at 293.37 151.13 270)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify right bottom)
+		)
+		(uuid "b9b32b8b-1793-4809-a45e-1a670bcc7627")
+	)
+	(label "VDD3V3"
+		(at 228.6 77.47 0)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify left bottom)
+		)
+		(uuid "dc32b995-2cac-4d46-b618-fc9742316b42")
+	)
+	(label "NRST"
+		(at 184.15 139.7 0)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify left bottom)
+		)
+		(uuid "ed06ebfd-e5fe-4a34-a655-0279d46b5d81")
+	)
+	(label "NRST"
+		(at 273.05 143.51 0)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify left bottom)
+		)
+		(uuid "fdebd85f-5bf1-40aa-8846-b5f7b195841f")
+	)
 	(sheet
-		(at 234.95 62.865)
+		(at 247.65 62.865)
 		(size 31.75 32.385)
 		(exclude_from_sim no)
@@ -444,5 +660,5 @@
 		(uuid "0b3c4d92-68bb-4dd4-8cdb-3fd128b13f35")
 		(property "Sheetname" "mc_power"
-			(at 234.95 62.1534 0)
+			(at 247.65 62.1534 0)
 			(show_name no)
 			(do_not_autoplace no)
@@ -455,5 +671,5 @@
 		)
 		(property "Sheetfile" "mc_power.kicad_sch"
-			(at 234.95 95.8346 0)
+			(at 247.65 95.8346 0)
 			(show_name no)
 			(do_not_autoplace no)
@@ -466,5 +682,5 @@
 		)
 		(pin "VDDIO" input
-			(at 234.95 73.66 180)
+			(at 247.65 73.66 180)
 			(uuid "d51fb2e8-b3c8-4c46-ad2d-d4dd02713d01")
 			(effects
@@ -476,5 +692,5 @@
 		)
 		(pin "VDDA1V8" input
-			(at 234.95 80.01 180)
+			(at 247.65 80.01 180)
 			(uuid "1db4ddff-9f28-4d7b-b883-005d796ac215")
 			(effects
@@ -486,5 +702,5 @@
 		)
 		(pin "VDDA1V8_AON" input
-			(at 234.95 71.12 180)
+			(at 247.65 71.12 180)
 			(uuid "96478d33-3c85-467b-a1d0-f36e1451474c")
 			(effects
@@ -496,5 +712,5 @@
 		)
 		(pin "VDDCORE" input
-			(at 234.95 85.09 180)
+			(at 247.65 85.09 180)
 			(uuid "3c017d3c-88ff-41a7-95a3-b7aac4c7ec58")
 			(effects
@@ -506,5 +722,5 @@
 		)
 		(pin "VDDIO_SD" input
-			(at 234.95 88.9 180)
+			(at 247.65 88.9 180)
 			(uuid "ef4c93ec-3570-4816-b522-995bb9ce01df")
 			(effects
@@ -515,6 +731,6 @@
 			)
 		)
-		(pin "VDD_3V3" input
-			(at 234.95 77.47 180)
+		(pin "VDD3V3" input
+			(at 247.65 77.47 180)
 			(uuid "41b697bc-debb-4a5d-8420-3a679ba23e70")
 			(effects
@@ -526,5 +742,5 @@
 		)
 		(pin "VREF" input
-			(at 234.95 82.55 180)
+			(at 247.65 82.55 180)
 			(uuid "73391e54-4312-4eb0-9aaa-b9dcd3dfb6fa")
 			(effects
@@ -545,5 +761,5 @@
 	(sheet
 		(at 190.5 127)
-		(size 70.485 127)
+		(size 69.85 127)
 		(exclude_from_sim no)
 		(in_bom yes)
@@ -584,4 +800,44 @@
 			(at 190.5 133.35 180)
 			(uuid "d0411795-8bd1-4876-92ec-cba0610c04be")
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(pin "{OCTOSPI}" bidirectional
+			(at 260.35 139.7 0)
+			(uuid "ac7d3730-2d0c-4bba-a271-4e117feabdfc")
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+		)
+		(pin "{MicroSD_SDIO}" bidirectional
+			(at 260.35 175.26 0)
+			(uuid "4d0ca347-a012-4815-ae9c-37e77c94738a")
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+		)
+		(pin "NRST" input
+			(at 190.5 139.7 180)
+			(uuid "4f3dd44a-774b-4001-a410-fa515c989ecb")
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(pin "PWR_ON" output
+			(at 190.5 146.05 180)
+			(uuid "83896b74-8e27-4294-8550-55aad1888c83")
 			(effects
 				(font
@@ -666,4 +922,80 @@
 	)
 	(sheet
+		(at 279.4 127)
+		(size 19.05 19.05)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(dnp no)
+		(fields_autoplaced yes)
+		(stroke
+			(width 0.1524)
+			(type solid)
+		)
+		(fill
+			(color 0 0 0 0)
+		)
+		(uuid "6201b2ab-68b4-4472-b15f-71f665c6d141")
+		(property "Sheetname" "flash"
+			(at 279.4 126.2884 0)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left bottom)
+			)
+		)
+		(property "Sheetfile" "flash.kicad_sch"
+			(at 279.4 146.6346 0)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left top)
+			)
+		)
+		(pin "NRST" input
+			(at 279.4 143.51 180)
+			(uuid "448183cf-1428-4fc9-8189-f4dec7c84563")
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(pin "VDDA_1V8" input
+			(at 285.75 127 90)
+			(uuid "26d6d54c-a37f-46d8-816d-b239188614a1")
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+		)
+		(pin "{OCTOSPI}" bidirectional
+			(at 279.4 139.7 180)
+			(uuid "dcf65b14-9765-460a-a42b-da7c94c83750")
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(instances
+			(project "blto2"
+				(path "/c9c900c0-36ef-40a0-bfd2-20f77fa08f61"
+					(page "7")
+				)
+			)
+		)
+	)
+	(sheet
 		(at 190.5 63.5)
 		(size 31.75 31.75)
@@ -773,5 +1105,5 @@
 			)
 		)
-		(pin "VDD_3V3" output
+		(pin "VDD3V3" output
 			(at 222.25 77.47 0)
 			(uuid "e3192012-2a62-4018-8624-bb8e115e499f")
@@ -802,6 +1134,6 @@
 	)
 	(sheet
-		(at 69.85 127)
-		(size 57.15 127)
+		(at 279.4 160.02)
+		(size 19.05 30.48)
 		(exclude_from_sim no)
 		(in_bom yes)
@@ -816,7 +1148,7 @@
 			(color 0 0 0 0)
 		)
-		(uuid "729a0c5c-4cf5-44e0-950a-7e8b652469fb")
-		(property "Sheetname" "mc_ext"
-			(at 69.1384 254 90)
+		(uuid "81e8d823-ed0e-4057-b8a1-3ae0cb9b9091")
+		(property "Sheetname" "sd_card"
+			(at 279.4 159.3084 0)
 			(show_name no)
 			(do_not_autoplace no)
@@ -828,6 +1160,6 @@
 			)
 		)
-		(property "Sheetfile" "mc_ext.kicad_sch"
-			(at 127.5846 254 90)
+		(property "Sheetfile" "sd_card.kicad_sch"
+			(at 279.4 191.0846 0)
 			(show_name no)
 			(do_not_autoplace no)
@@ -839,7 +1171,47 @@
 			)
 		)
-		(pin "PWR_ON" output
-			(at 114.3 127 90)
-			(uuid "a3392de1-87d3-4683-bdf9-2bf159f1b696")
+		(pin "NRST" input
+			(at 279.4 181.61 180)
+			(uuid "e6efd82b-f8cf-411e-853d-1bcaeebac8fe")
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(pin "VDD3V3" input
+			(at 295.91 160.02 90)
+			(uuid "95ce9ee9-a1f1-4c2a-a6c1-289c895f185e")
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+		)
+		(pin "VDDIO_SD" output
+			(at 279.4 179.07 180)
+			(uuid "05ebdf62-0256-4e4b-b79c-6469ef747ffb")
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(pin "{MicroSD_SDIO}" bidirectional
+			(at 279.4 175.26 180)
+			(uuid "e2303218-bca2-451e-9afd-acec796a034d")
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(pin "VDDA1V8" input
+			(at 293.37 160.02 90)
+			(uuid "908276e3-a073-465d-b396-3e345b261fae")
 			(effects
 				(font
@@ -852,5 +1224,5 @@
 			(project "blto2"
 				(path "/c9c900c0-36ef-40a0-bfd2-20f77fa08f61"
-					(page "6")
+					(page "8")
 				)
 			)