Tim Edwards | bc03551 | 2020-11-23 11:16:08 -0500 | [diff] [blame] | 1 | `default_nettype none |
| 2 | /*----------------------------------------------------------------------*/ |
| 3 | /* mgmt_protect_hv: */ |
| 4 | /* */ |
| 5 | /* High voltage (3.3V) part of the mgmt_protect module. Split out into */ |
| 6 | /* a separate module and file so that the synthesis tools can handle it */ |
| 7 | /* separately from the rest, since it uses a different standard cell */ |
| 8 | /* library. See the file mgmt_protect.v for a full description of the */ |
| 9 | /* whole management protection method. */ |
| 10 | /*----------------------------------------------------------------------*/ |
| 11 | |
| 12 | module mgmt_protect_hv ( |
Ahmed Ghazy | 1d1679d | 2020-11-30 17:44:45 +0200 | [diff] [blame] | 13 | `ifdef USE_POWER_PINS |
Tim Edwards | bc03551 | 2020-11-23 11:16:08 -0500 | [diff] [blame] | 14 | inout vccd, |
| 15 | inout vssd, |
| 16 | inout vdda1, |
| 17 | inout vssa1, |
| 18 | inout vdda2, |
| 19 | inout vssa2, |
Ahmed Ghazy | 1d1679d | 2020-11-30 17:44:45 +0200 | [diff] [blame] | 20 | `endif |
Tim Edwards | bc03551 | 2020-11-23 11:16:08 -0500 | [diff] [blame] | 21 | |
| 22 | output mprj_vdd_logic1, |
| 23 | output mprj2_vdd_logic1 |
| 24 | |
| 25 | ); |
| 26 | |
| 27 | wire mprj_vdd_logic1_h; |
| 28 | wire mprj2_vdd_logic1_h; |
| 29 | |
| 30 | // Logic high in the VDDA (3.3V) domains |
| 31 | |
| 32 | sky130_fd_sc_hvl__conb_1 mprj_logic_high_hvl ( |
| 33 | `ifdef USE_POWER_PINS |
| 34 | .VPWR(vdda1), |
| 35 | .VGND(vssa1), |
| 36 | .VPB(vdda1), |
| 37 | .VNB(vssa1), |
| 38 | `endif |
| 39 | .HI(mprj_vdd_logic1_h), |
| 40 | .LO() |
| 41 | ); |
| 42 | |
| 43 | sky130_fd_sc_hvl__conb_1 mprj2_logic_high_hvl ( |
| 44 | `ifdef USE_POWER_PINS |
| 45 | .VPWR(vdda2), |
| 46 | .VGND(vssa2), |
| 47 | .VPB(vdda2), |
| 48 | .VNB(vssa2), |
| 49 | `endif |
| 50 | .HI(mprj2_vdd_logic1_h), |
| 51 | .LO() |
| 52 | ); |
| 53 | |
| 54 | // Level shift the logic high signals into the 1.8V domain |
| 55 | |
| 56 | sky130_fd_sc_hvl__lsbufhv2lv_1 mprj_logic_high_lv ( |
| 57 | `ifdef USE_POWER_PINS |
| 58 | .VPWR(vdda1), |
| 59 | .VGND(vssd), |
| 60 | .LVPWR(vccd), |
| 61 | .VPB(vdda1), |
| 62 | .VNB(vssd), |
| 63 | `endif |
| 64 | .X(mprj_vdd_logic1), |
| 65 | .A(mprj_vdd_logic1_h) |
| 66 | ); |
| 67 | |
| 68 | sky130_fd_sc_hvl__lsbufhv2lv_1 mprj2_logic_high_lv ( |
| 69 | `ifdef USE_POWER_PINS |
| 70 | .VPWR(vdda2), |
| 71 | .VGND(vssd), |
| 72 | .LVPWR(vccd), |
| 73 | .VPB(vdda2), |
| 74 | .VNB(vssd), |
| 75 | `endif |
| 76 | .X(mprj2_vdd_logic1), |
| 77 | .A(mprj2_vdd_logic1_h) |
| 78 | ); |
| 79 | |
| 80 | endmodule |
| 81 | `default_nettype wire |