PDP-11 ON RETRO-EP4CE15
Work in Progress
Contents
Build
- RETRO-EP4CE15
- Requires QM Tech Cyclone V FPGA Board
- Requires EP4CE55 Cyclone IV Card
- PDP2011 by Sytse van Slooten
- David Richards PDP-11 Build on A-ESTF V2 EP4CE22 Board
- System Images
J1 - I/O Connector (5CEFA2F23 FPGA Card pin numbers)
FPGA-68K - J1 Usage
- Audio Left = PIN_AB15 - P1-3
- Audio Right = PIN_AA15 - P1-4
- PS/2 Mouse Clk = Pin_Y14 - P1-5
- PS/2 Mouse Data = Pin_Y15 - P1-6
- Power_Hold = Pin_AB17 - P1-7
- Power_Button = Pin_AB18 - P1-8
- LEDS[0] (Power) = PIN_Y16 - P1-9
- LEDS[1] (Disk) = PIN_Y17 - P1-10
- LEDS[2] (Net) = PIN_AA17 - P1-11
- LEDS[3] (Odd) = PIN_AA19 - P1-13
Switches
J10 Switches
- Schematic shows J9, Board silkscreen shows J10
| Function | J10 Pin | FPGA Pin |
|---|---|---|
| enablebtn | J10-25 | PIN_J15 |
| resetbtn | J10-27 | PIN_J16 |
| sw_halt | J10-30 | PIN_N14 |
| sw_cont | J10-32 | PIN_P15 |
| led_run | J10-34 | PIN_T15 |
DIP Switch
| Function | DIP Switch | FPGA Pin |
|---|---|---|
| Swap 0 button | 1 | PIN_M16 |
| treset | 2 | PIN_M15 |
| Swap 2 button | 3 | PIN_B8 |
| Swap console | 4 | PIN_A8 |
Serial Port
- PIN_T5 = rx1 (in)
- PIN_T6 = tx1 (out)
- PIN_R16 = rx2 (in)
- PIN_P14 = tx2 (out)
- PIN_P16 = rts2 (out)
- PIN_N16 = cts2 (in)
External 8 Digit 7 segment MAX7219 LED
- PIN_L15 max7219_data J10-24
- PIN_N12 max7219_load J10-26
- PIN_N15 max7219_clock J10-28
Resources
- PDP2011 by Sytse van Slooten
- David J Richards - copied and adapted from pdp2011 by Sytse van Slooten
- David Richards PDP-11 Build
- Scott L Baker PDP11-SOC - PDP-11/20 CPU + UART + Timer + I/O Ports coded in VHDL and implemented for the Lattice iCE40-hx8k dev board
- PDP-11 on BitSavers
- w11: PDP 11/70 CPU and SoC - a PDP-11/70 CPU with memory management unit, but without floating point unit,
- Guide to run operating system images on w11a systems
Pin List
# Pin & Location Assignments # ========================== set_location_assignment PIN_E1 -to clkin set_location_assignment PIN_J16 -to resetbtn set_location_assignment PIN_J15 -to enablebtn set_location_assignment PIN_C15 -to beep set_location_assignment PIN_P15 -to sw_cont set_location_assignment PIN_N14 -to sw_halt set_location_assignment PIN_T15 -to led_run set_location_assignment PIN_M8 -to LED_D8 set_location_assignment PIN_D2 -to EPCS_CS set_location_assignment PIN_H2 -to EPCS_DATA0 set_location_assignment PIN_H1 -to EPCS_DCLK set_location_assignment PIN_C1 -to EPCS_SDO set_location_assignment PIN_J13 -to redled[0] set_location_assignment PIN_F16 -to redled[1] set_location_assignment PIN_G15 -to redled[2] set_location_assignment PIN_D16 -to redled[3] set_location_assignment PIN_F15 -to redled[4] set_location_assignment PIN_C16 -to redled[5] set_location_assignment PIN_D15 -to redled[6] set_location_assignment PIN_B16 -to redled[7] set_location_assignment PIN_M16 -to switch[0] set_location_assignment PIN_M15 -to switch[1] set_location_assignment PIN_B8 -to switch[2] set_location_assignment PIN_A8 -to switch[3] set_location_assignment PIN_C6 -to dram_addr[12] set_location_assignment PIN_C8 -to dram_addr[11] set_location_assignment PIN_A10 -to dram_addr[10] set_location_assignment PIN_C9 -to dram_addr[9] set_location_assignment PIN_C11 -to dram_addr[8] set_location_assignment PIN_C14 -to dram_addr[7] set_location_assignment PIN_D11 -to dram_addr[6] set_location_assignment PIN_D12 -to dram_addr[5] set_location_assignment PIN_D14 -to dram_addr[4] set_location_assignment PIN_A12 -to dram_addr[3] set_location_assignment PIN_B11 -to dram_addr[2] set_location_assignment PIN_A11 -to dram_addr[1] set_location_assignment PIN_B10 -to dram_addr[0] set_location_assignment PIN_D9 -to dram_ba_1 set_location_assignment PIN_E9 -to dram_ba_0 set_location_assignment PIN_A7 -to dram_cas_n set_location_assignment PIN_A15 -to dram_cke set_location_assignment PIN_B14 -to dram_clk set_location_assignment PIN_E8 -to dram_cs_n set_location_assignment PIN_D3 -to dram_dq[15] set_location_assignment PIN_C3 -to dram_dq[14] set_location_assignment PIN_D5 -to dram_dq[13] set_location_assignment PIN_D6 -to dram_dq[12] set_location_assignment PIN_B12 -to dram_dq[11] set_location_assignment PIN_A13 -to dram_dq[10] set_location_assignment PIN_B13 -to dram_dq[9] set_location_assignment PIN_A14 -to dram_dq[8] set_location_assignment PIN_B6 -to dram_dq[7] set_location_assignment PIN_A5 -to dram_dq[6] set_location_assignment PIN_B5 -to dram_dq[5] set_location_assignment PIN_A4 -to dram_dq[4] set_location_assignment PIN_B4 -to dram_dq[3] set_location_assignment PIN_A3 -to dram_dq[2] set_location_assignment PIN_B3 -to dram_dq[1] set_location_assignment PIN_A2 -to dram_dq[0] set_location_assignment PIN_E11 -to dram_udqm set_location_assignment PIN_A6 -to dram_ldqm set_location_assignment PIN_D8 -to dram_ras_n set_location_assignment PIN_B7 -to dram_we_n set_location_assignment PIN_T5 -to rx1 set_location_assignment PIN_T6 -to tx1 set_location_assignment PIN_P14 -to tx2 set_location_assignment PIN_R16 -to rx2 set_location_assignment PIN_N16 -to cts2 set_location_assignment PIN_P16 -to rts2 set_location_assignment PIN_K2 -to sdcard_sclk set_location_assignment PIN_J2 -to sdcard_cs set_location_assignment PIN_L8 -to sdcard_miso set_location_assignment PIN_P6 -to sdcard_mosi set_location_assignment PIN_G5 -to U2_138_select set_location_assignment PIN_J1 -to U3_138_select set_location_assignment PIN_F8 -to Anode_Activate[0] set_location_assignment PIN_L4 -to Anode_Activate[1] set_location_assignment PIN_L3 -to Anode_Activate[2] set_location_assignment PIN_D1 -to sseg0[0] set_location_assignment PIN_F3 -to sseg0[1] set_location_assignment PIN_F2 -to sseg0[2] set_location_assignment PIN_F1 -to sseg0[3] set_location_assignment PIN_G2 -to sseg0[4] set_location_assignment PIN_G1 -to sseg0[5] set_location_assignment PIN_E7 -to sseg0[6] set_location_assignment PIN_E6 -to ssegP set_location_assignment PIN_N15 -to max7219_clock set_location_assignment PIN_L15 -to max7219_data set_location_assignment PIN_N12 -to max7219_load set_location_assignment PIN_F13 -to xu_cs set_location_assignment PIN_J14 -to xu_debug_tx set_location_assignment PIN_K15 -to xu_miso set_location_assignment PIN_F9 -to xu_mosi set_location_assignment PIN_L13 -to xu_sclk set_location_assignment PIN_B1 -to ps2k_c set_location_assignment PIN_C2 -to ps2k_d set_location_assignment PIN_M10 -to vgah set_location_assignment PIN_L7 -to vgav set_location_assignment PIN_R6 -to vgab[0] set_location_assignment PIN_T3 -to vgab[1] set_location_assignment PIN_R4 -to vgab[2] set_location_assignment PIN_N5 -to vgab[3] set_location_assignment PIN_R3 -to vgab[4] set_location_assignment PIN_P2 -to vgag[5] set_location_assignment PIN_P1 -to vgag[4] set_location_assignment PIN_T2 -to vgag[3] set_location_assignment PIN_R1 -to vgag[2] set_location_assignment PIN_P3 -to vgag[1] set_location_assignment PIN_N3 -to vgag[0] set_location_assignment PIN_K5 -to vgar[4] set_location_assignment PIN_L2 -to vgar[3] set_location_assignment PIN_L1 -to vgar[2] set_location_assignment PIN_N2 -to vgar[1] set_location_assignment PIN_N1 -to vgar[0] set_location_assignment PIN_K1 -to panel_col[11] set_location_assignment PIN_R5 -to panel_col[10] set_location_assignment PIN_T4 -to panel_col[9] set_location_assignment PIN_M6 -to panel_col[8] set_location_assignment PIN_M7 -to panel_col[7] set_location_assignment PIN_N8 -to panel_col[6] set_location_assignment PIN_N9 -to panel_col[5] set_location_assignment PIN_N11 -to panel_col[4] set_location_assignment PIN_P8 -to panel_col[3] set_location_assignment PIN_P9 -to panel_col[2] set_location_assignment PIN_P11 -to panel_col[1] set_location_assignment PIN_R10 -to panel_col[0] set_location_assignment PIN_T10 -to panel_row[2] set_location_assignment PIN_E10 -to panel_row[1] set_location_assignment PIN_T14 -to panel_row[0] set_location_assignment PIN_K16 -to panel_xled[5] set_location_assignment PIN_L14 -to panel_xled[4] set_location_assignment PIN_R11 -to panel_xled[3] set_location_assignment PIN_R13 -to panel_xled[2] set_location_assignment PIN_R14 -to panel_xled[1] set_location_assignment PIN_T11 -to panel_xled[0] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[0] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[1] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[2] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[3] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[4] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[5] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[6] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[7] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[8] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[10] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[9] set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to panel_col[11] set_instance_assignment -name CURRENT_STRENGTH_NEW "MAXIMUM CURRENT" -to panel_row[0] set_instance_assignment -name CURRENT_STRENGTH_NEW "MAXIMUM CURRENT" -to panel_row[1] set_instance_assignment -name CURRENT_STRENGTH_NEW "MAXIMUM CURRENT" -to panel_row[2]
