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Std EditionSPAM-1-CPU

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Published Time:2020-09-10 07:37:53
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Description

Schematic of the hardwas build of SPAM-1. See also

Also of interest are

ID Name Designator Footprint Quantity
1 74HC377 PCHITMP DIP-20_L25.5-W10.0-P2.54-LS7.6-BL 1
2 74HCT163 PCHI_3_0,PCHI_7_4,PCLO_3_0,PCLO_7_4,TIMER_3_0,TIMER_7_4 DIP16 6
3 74HCT02 IC7402_GATING DIP-14_L19.0-W7.0-P2.54-LS7.6-BL 1
4 74HCT670 REGFILE_A_HI,REGFILE_A_LO,REGFILE_B_HI,REGFILE_B_LO DIP16 4
5 74HCT574 REGFILE_IN_REG,PORT_SEL_REG DIP-20_L26.8-W6.4-P2.54-LS7.6-BL 2
6 RED LED D1 LED-3MM 1
7 BLUE LED D2 LED-3MM 1
8 10k R1,R2 R0603 2
9 100k R3,R4 R0603 2
10 UM245R UART DIP24-600 1
11 74HCT245 UART_ABUS_BUF,UART_ALUBUS_BUF,ROM_ADDBBUSHI_BUF,ROM_ADDBBUSLO_BUF,ROM_BBUS_BUF,RAM_ALUBUS_BUF,RAM_BBUS_BUF,MARHI_ABUS_BUF,MARHI_ADDBBUSHI_BUF,MARHI_BBUS_BUF,MARLO_ABUS_BUF,MARLO_ADDBBUSLO_BUF,MARLO_BBUS_BUF,UART_ALUBUS_BUF1 DIP20 14
12 74HCT32 UART_GATING_OR DIP14 1
13 SST39SF010 ROM1,ROM2,ROM3,ROM4,ROM5,ROM6 PDIP-32_L42.0-W13.7-P2.54-LS15.2-BL 6
14 27C322 ALU_ROM DIP-42_W15.24MM 1
15 74HCT157 EFFECTIVE_BIT_SEL 74LS157 1
16 74HCT04 FLAG_C_INVERTER 14PIN-DIP 1
17 74HCT138 OP_DECODER,ABUS_DEV_1_DEMUX,BBUS_DEV_1_DEMUX,BBUS_DEV_2_DEMUX,TARG_DEV_3_DEMUX,TARG_DEV_4_DEMUX,TARG_DEV_08_DEMUX,TARG_DEV_16_DEMUX DIP16 8
18 74HCT574 STATUS_REGISTER_CZONGLEN DIP254P762X420-20 1
19 74HCT11 U3 DIP14 1
20 AS6C1008 RAM DIP32 1
21 74HCT32 _GATED_RAM_IN_OR DIP-14_W19.2-H7.1-P2.54-LS7.6_74HCT32N 1
22 74HCT377 MARHI,MARLO,U1 DIP20 3
23 MIN_TIMING_RESISTOR 1K AXIAL-0.3 1
24 TIMING RESISTOR 1M VARIABLE RESISTOR 1
25 STARTUP_RESISTOR 100K AXIAL-0.3 1
26 SYSTEM_CLK_LED D3,D7 LED3MM-NS 2
27 TIMING RANGE RANGE_SW S-TSW 1
28 10k RES_LED,HALTED_LED_R,MAN_R1,MODE_R2,PHASE_EXEC_LED_R1,PHASE_EXEC_LED_R4 AXIAL-0.3 6
29 TLC555CP TIMER1 DIP-8_L9.7-W6.4-P2.54-LS7.6-BL 1
30 10uf TIMING_CAPACITOR,RESET_C RADIAL CAPACITOR 5MM 2
31 74HCT08N AND_1 DIP14 1
32 HALTED_LED D4 LED3MM-NS 1
33 RST_LED D5 LED3MM-NS 1
34 PHASE_EXEC_LED D6 LED3MM-NS 1
35 MODE_LED D8 LED3MM-NS 1
36 MAN_LED D9 LED3MM-NS 1
37 Manual Clocking MAN_B,MODE_SW S-TSW 2
38 1uf MAN_C,MODE_C RADIAL CAPACITOR 5MM 2
39 1N4148 MAN_D,MODE_D DO35-7 2
40 21k MAN_R2,MODE_R AXIAL-0.3 2
41 74HCT00 MISC_NAND1,CTRL_NAND DIP14 2
42 74HC132 NAND_1,NAND_2 DIP14 2
43 1k PHASE_EXEC_LED_R AXIAL-0.3 1
44 100k PHASE_EXEC_LED_R2,PHASE_EXEC_LED_R3,RESET_R AXIAL-0.3 3
45 Reset Button RESET_B S-TSW 1
46 74HCT74 RESET_FLIPFLOP1,TIMER_ZERO DIP14 2
47 2k RST_LED_R AXIAL-0.3 1
48 74HCT151 CONDITION_MUX_HI,CONDITION_MUX_LO DIP16 2
49 74HCT86 CTRL_XOR DIP14 1
50 COND_MET (LABELLED DO_EXEC_LED) D10 LED3MM-NS 1
51 Header-Female-2.54_1x8 IOPORT_HEADER_IN,IOPORT_HEADER_OUT HDR-TH_8P-P2.54-V 2
52 74HCT245 R5 DIP-20_L26.0-W6.6-P2.54-LS7.6-BL 1
53 74HC595N BUF_CTRL1,BUF_CTRL2,BUF_RAND DIP-16_L20.0-W6.4-P2.54-LS7.6-BL 3
54 HEADER_CTRL2 H1 HDR-TH_4P-P2.54-V-M 1
55 HEADER_CTRL1 H2 HDR-TH_4P-P2.54-V-M 1
56 PIC16F18446-I_P IC1 DIP794W56P254L2591H533Q20N 1
57 74HCT154 PORTSEL_DECODE_RD,PORTSEL_DECODE_WR DIP24 2

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