hub75e_hat.md

HUB75E "hat" hardware

Layout/numbering

The board consists of 10 connectors (marked J1-J10) and 6 74HC245TS buffers (marked U1-U6).

J600/J601 connectors are numbered as per RV901T markings. J601 is the RV901T connector that mates with JP1, J600 is the RV901T connect that makes with JP2.

HUB75E connectors

  _________
 |  R1 G1  |
 |  B1 GND |
 |  R2 G2  |
  | B2 E   |
  |  A B   |
 |   C D   |
 | CLK STB |
 |  OE GND |
  ---------

74HC245 buffers

DIR on all buffers is strapped to VCC.

U1

Ch.	A-side	B-side
0	J601.44	J1.CLK
1	J601.44	J2.CLK
2	J601.44	J3.CLK
3	J601.44	J4.CLK
4	J601.44	J5.CLK
5	J601.43	J1.STB, J2.STB
6	J601.43	J3.STB, J4.STB
7	J601.43	J5.STB, J6.STB

U2

Ch.	A-side	B-side
0	J601.43	J7.STB, J8.STB
1	J601.43	J9.STB, J10.STB
2	J601.42	J1.A, J2.A
3	J601.42	J3.A, J4.A
4	J601.42	J5.A, J6.A
5	J601.42	J7.A, J8.A
6	J601.42	J9.A, J10.A
7	J601.41	J1.B, J2.B

U3

Ch.	A-side	B-side
0	J601.41	J3.B, J4.B
1	J601.41	J5.B, J6.B
2	J601.41	J7.B, J8.B
3	J601.41	J9.B, J10.B
4	J601.40	J1.C, J2.C
5	J601.40	J3.C, J4.C
6	J601.40	J5.C, J6.C
7	J601.40	J7.C, J8.C

U4

Ch.	A-side	B-side
0	J601.40	J10.C, J9.C
1	J601.39	J1.D, J2.D
2	J601.39	J3.D, J4.D
3	J601.39	J5.D, J6.D
4	J601.39	J7.D, J8.D
5	J601.39	J9.D, J10.D
6	J600.44	J9.CLK
7	J600.44	J10.CLK

U5

Ch.	A-side	B-side
0	J600.45	J1.OE, J2.OE
1	J600.45	J3.OE, J4.OE
2	J600.45	J5.OE, J6.OE
3	J600.45	J7.OE, J8.OE
4	J600.45	J9.OE, J10.OE
5	J600.44	J6.CLK
6	J600.44	J7.CLK
7	J600.44	J8.CLK

U6

Ch.	A-side	B-side
0	J600.6	J10.E, J9.E (via R3)
1	J600.6	J8.E, J7.E (via R4)
2	J600.6	J6.E, J5.E (via R5)
3	J600.6	J4.E, J3.E (via R6)
4	J600.6	J2.E, J1.E (via R7)
5	NC	NC
6	NC	NC
7	NC	NC

Final pinout

Signal	J600/J601 pin	FPGA Pin
HUB75.*.OE	J600.45 (via U5)	C11
HUB75.*.STB	J601.43 (via U1, U2)	A14
HUB75.*.CLK	J601.44 (via U1), J600.44 (via U4)	B14
HUB75.*.A	J601.42 (via U2)	C13
HUB75.*.B	J601.41 (via U2, U3)	A13
HUB75.*.C	J601.40 (via U3, U4)	B12
HUB75.*.D	J601.39 (via U4)	A12
HUB75.*.E	J600.6 (via U6 and resistors)	A11
HUB75.J1.RD1	J601.38	B6
HUB75.J1.GD1	J601.37	C6
HUB75.J1.BD1	J601.36	C7
HUB75.J1.RD2	J601.35	C8
HUB75.J1.GD2	J601.34	C9
HUB75.J1.BD2	J601.33	E6
HUB75.J2.RD1	J601.32	D6
HUB75.J2.GD1	J601.31	E7
HUB75.J2.BD1	J601.30	E8
HUB75.J2.RD2	J601.29	D8
HUB75.J2.GD2	J601.28	F9
HUB75.J2.BD2	J601.27	D9
HUB75.J3.RD1	J601.26	E10
HUB75.J3.GD1	J601.25	D11
HUB75.J3.BD1	J601.24	D12
HUB75.J3.RD2	J601.23	E11
HUB75.J3.GD2	J601.22	B10
HUB75.J3.BD2	J601.21	A10
HUB75.J4.RD1	J601.20	A9
HUB75.J4.GD1	J601.19	B8
HUB75.J4.BD1	J601.18	A8
HUB75.J4.RD2	J601.17	A7
HUB75.J4.GD2	J601.16	A6
HUB75.J4.BD2	J601.15	A5
HUB75.J5.RD1	J601.14	A3
HUB75.J5.GD1	J601.13	A2
HUB75.J5.BD1	J601.12	B2
HUB75.J5.RD2	J601.11	A4
HUB75.J5.GD2	J601.10	D5
HUB75.J5.BD2	J601.9	B3
HUB75.J6.RD1	J600.38	T5
HUB75.J6.GD1	J600.37	R5
HUB75.J6.BD1	J600.36	T6
HUB75.J6.RD2	J600.35	T7
HUB75.J6.GD2	J600.34	R7
HUB75.J6.BD2	J600.33	T8
HUB75.J7.RD1	J600.32	R9
HUB75.J7.GD1	J600.31	R9
HUB75.J7.BD1	J600.30	T11
HUB75.J7.RD2	J600.29	P11
HUB75.J7.GD2	J600.28	N9
HUB75.J7.BD2	J600.27	L10
HUB75.J8.RD1	J600.26	M10
HUB75.J8.GD1	J600.25	M11
HUB75.J8.BD1	J600.24	N11
HUB75.J8.RD2	J600.23	M12
HUB75.J8.GD2	J600.22	N8
HUB75.J8.BD2	J600.21	P7
HUB75.J9.RD1	J600.20	L8
HUB75.J9.GD1	J600.19	L7
HUB75.J9.BD1	J600.18	M6
HUB75.J9.RD2	J600.17	N6
HUB75.J9.GD2	J600.16	M7
HUB75.J9.BD2	J600.15	P6
HUB75.J10.RD1	J600.14	P5
HUB75.J10.GD1	J600.13	T4
HUB75.J10.BD1	J600.12	K6
HUB75.J10.RD2	J600.11	M5
HUB75.J10.GD2	J600.10	L5
HUB75.J10.BD2	J600.9	M4