FreeCalypso > hg > fc-small-hw

annotate lunalcd1/src/schem.v @ 10:f8735d13a3ea

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
lunalcd1.pcb: layout started, close to complete
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 02 Apr 2020 22:41:19 +0000
parents 28a0574af823
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 module board ();
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 wire GND, VBAT, Vio;
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 wire [15:0] DB;
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 wire RD, WR, RS, CS, RESET;
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 wire BL_EN, Vbacklight;
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 wire [1:3] LEDK;
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 /* LCD module connector */
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 conn_36pin_plus2 fpc ( .pin_1(DB[15]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 .pin_2(DB[14]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 .pin_3(DB[13]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 .pin_4(DB[12]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 .pin_5(DB[11]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 .pin_6(DB[10]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 .pin_7(DB[9]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 .pin_8(DB[8]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 .pin_9(GND),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 .pin_10(DB[7]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 .pin_11(DB[6]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 .pin_12(DB[5]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 .pin_13(DB[4]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 .pin_14(DB[3]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 .pin_15(DB[2]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 .pin_16(DB[1]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 .pin_17(DB[0]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 .pin_18(Vio), /* IOVCC */
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 .pin_19(Vio), /* VCI */
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 .pin_20(RD),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 .pin_21(WR),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 .pin_22(RS),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 .pin_23(CS),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 .pin_24(RESET),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 .pin_25(GND), /* IM0 tied low */
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 .pin_26(GND),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 .pin_27(Vbacklight), /* LEDA */
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 .pin_28(LEDK[1]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 .pin_29(LEDK[2]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 .pin_30(LEDK[3]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 /* the remaining pins are NC */
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 .pin_31(),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 .pin_32(),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 .pin_33(),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 .pin_34(),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 .pin_35(),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 .pin_36(),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 /* ground the two mounting pads */
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 .pin_37(GND),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 .pin_38(GND)
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 );
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 /* bypass cap for LCD module core */
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 capacitor LCD_bypass_cap (Vio, GND);
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 /* main interface connector */
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 header_26pin main_if ( .pin_1(DB[15]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 .pin_2(DB[14]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 .pin_3(DB[13]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 .pin_4(DB[12]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 .pin_5(DB[11]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 .pin_6(DB[10]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 .pin_7(DB[9]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 .pin_8(DB[8]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 .pin_9(DB[7]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 .pin_10(DB[6]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 .pin_11(DB[5]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 .pin_12(DB[4]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 .pin_13(DB[3]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 .pin_14(DB[2]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 .pin_15(DB[1]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 .pin_16(DB[0]),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 .pin_17(CS),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 .pin_18(RD),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 .pin_19(WR),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 .pin_20(RS),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 .pin_21(GND),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 .pin_22(GND),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 .pin_23(RESET),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 .pin_24(Vio),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 .pin_25(BL_EN),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 .pin_26(GND)
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 );
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 /* backlight circuit */
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 header_2pin VBAT_conn ( .pin_1(VBAT),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 .pin_2(GND)
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 );
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 capacitor VBAT_bypass_cap (VBAT, GND);
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 regulator reg ( .IN(VBAT),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 .OUT(Vbacklight),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 .GND(GND),
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 .EN(BL_EN)
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 );
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 capacitor reg_out_cap (Vbacklight, GND);
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 resistor R1 (LEDK[1], GND);
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 resistor R2 (LEDK[2], GND);
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 resistor R3 (LEDK[3], GND);
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105
9
28a0574af823 lunalcd1: added pull-down resistor on BL_EN line
Mychaela Falconia <falcon@freecalypso.org>
parents: 5
diff changeset
106 resistor R4 (BL_EN, GND);
28a0574af823 lunalcd1: added pull-down resistor on BL_EN line
Mychaela Falconia <falcon@freecalypso.org>
parents: 5
diff changeset
107
5
839e9b527e69 lunalcd1 board project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 endmodule