SPAM-1-CPU

1 year ago 194
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

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

Also of interest are

Documents

Program Counter

PCB_2020-09-10_02-32-30

Register File

UART

ROMS

ALU

RAM

MAR

CLOCK_GEN

DEBOUNCE

CLOCK_CONTROL

CONTROLLER

PARALLEL_PORT

GAMEPAD_ADAPTER

PORT_CONTROLLLER

BOM

ID Name Designator Footprint Quantity
1 MIN_TIMING_RESISTOR 1K AXIAL-0.3 1
2 TIMING RESISTOR 1M VARIABLE RESISTOR 1
3 STARTUP_RESISTOR 100K AXIAL-0.3 1
4 74HCT138 ABUS_DEV_1_DEMUX,BBUS_DEV_1_DEMUX,BBUS_DEV_2_DEMUX,OP_DECODER,TARG_DEV_3_DEMUX,TARG_DEV_4_DEMUX,TARG_DEV_08_DEMUX,TARG_DEV_16_DEMUX DIP16 8
5 27C322 ALU_ROM DIP-42_W15.24MM 1
6 74HCT08N AND_1 DIP14 1
7 74HC595N BUF_CTRL1,BUF_CTRL2,BUF_RAND DIP-16_L20.0-W6.4-P2.54-LS7.6-BL 3
8 74HCT151 CONDITION_MUX_HI,CONDITION_MUX_LO DIP16 2
9 74HCT00 CTRL_NAND,MISC_NAND1 DIP14 2
10 74HCT86 CTRL_XOR DIP14 1
11 RED LED D1 LED-3MM 1
12 BLUE LED D2 LED-3MM 1
13 SYSTEM_CLK_LED D3,D7 LED3MM-NS 2
14 HALTED_LED D4 LED3MM-NS 1
15 RST_LED D5 LED3MM-NS 1
16 PHASE_EXEC_LED D6 LED3MM-NS 1
17 MODE_LED D8 LED3MM-NS 1
18 MAN_LED D9 LED3MM-NS 1
19 COND_MET (LABELLED DO_EXEC_LED) D10 LED3MM-NS 1
20 74HCT157 EFFECTIVE_BIT_SEL 74LS157 1
21 74HCT04 FLAG_C_INVERTER 14PIN-DIP 1
22 HEADER_CTRL2 H1 HDR-TH_4P-P2.54-V-M 1
23 HEADER_CTRL1 H2 HDR-TH_4P-P2.54-V-M 1
24 10k HALTED_LED_R,MAN_R1,MODE_R2,PHASE_EXEC_LED_R1,PHASE_EXEC_LED_R4,RES_LED AXIAL-0.3 6
25 PIC16F18446-I_P IC1 DIP794W56P254L2591H533Q20N 1
26 74HCT02 IC7402_GATING DIP-14_L19.0-W7.0-P2.54-LS7.6-BL 1
27 Header-Female-2.54_1x8 IOPORT_HEADER_IN,IOPORT_HEADER_OUT HDR-TH_8P-P2.54-V 2
28 Manual Clocking MAN_B,MODE_SW S-TSW 2
29 1uf MAN_C,MODE_C RADIAL CAPACITOR 5MM 2
30 1N4148 MAN_D,MODE_D DO35-7 2
31 21k MAN_R2,MODE_R AXIAL-0.3 2
32 74HCT377 MARHI,MARLO,U1 DIP20 3
33 74HCT245 MARHI_ABUS_BUF,MARHI_ADDBBUSHI_BUF,MARHI_BBUS_BUF,MARLO_ABUS_BUF,MARLO_ADDBBUSLO_BUF,MARLO_BBUS_BUF,RAM_ALUBUS_BUF,RAM_BBUS_BUF,ROM_ADDBBUSHI_BUF,ROM_ADDBBUSLO_BUF,ROM_BBUS_BUF,UART_ABUS_BUF,UART_ALUBUS_BUF DIP20 13
34 74HC132 NAND_1,NAND_2 DIP14 2
35 74HC377 PCHITMP DIP-20_L25.5-W10.0-P2.54-LS7.6-BL 1
36 74HCT163 PCHI_3_0,PCHI_7_4,PCLO_3_0,PCLO_7_4 DIP16 4
37 74HCT08 PC_DO_JMP_GATING_AND PDIP-14_L19.7-W6.6-P2.54-LS8.3-BL 1
38 1k PHASE_EXEC_LED_R AXIAL-0.3 1
39 100k PHASE_EXEC_LED_R2,PHASE_EXEC_LED_R3,RESET_R AXIAL-0.3 3
40 74HCT154 PORTSEL_DECODE_RD,PORTSEL_DECODE_WR DIP24 2
41 74HCT574 PORT_SEL_REG,REGFILE_IN_REG DIP-20_L26.8-W6.4-P2.54-LS7.6-BL 2
42 10k R1,R2 R0603 2
43 100k R3,R4 R0603 2
44 74HCT245 R5 DIP-20_L26.0-W6.6-P2.54-LS7.6-BL 1
45 AS6C1008 RAM DIP32 1
46 TIMING RANGE RANGE_SW S-TSW 1
47 74HCT670 REGFILE_A_HI,REGFILE_A_LO,REGFILE_B_HI,REGFILE_B_LO DIP16 4
48 Reset Button RESET_B S-TSW 1
49 10uf RESET_C,TIMING_CAPACITOR RADIAL CAPACITOR 5MM 2
50 74HCT74 RESET_FLIPFLOP1 DIP14 1
51 SST39SF010 ROM1,ROM2,ROM3,ROM4,ROM5,ROM6 PDIP-32_L42.0-W13.7-P2.54-LS15.2-BL 6
52 2k RST_LED_R AXIAL-0.3 1
53 74HCT574 STATUS_REGISTER_CZONGLEN DIP254P762X420-20 1
54 TLC555CP TIMER1 DIP-8_L9.7-W6.4-P2.54-LS7.6-BL 1
55 74HCT11 U3 DIP14 1
56 UM245R UART DIP24-600 1
57 74HCT32 UART_GATING_OR DIP14 1
58 74HCT32 _GATED_RAM_IN_OR DIP-14_W19.2-H7.1-P2.54-LS7.6_74HCT32N 1

Attachments

None
Success
The owner does not allow comments in this project now

Comments (0)

goToTop
你现在访问的是EasyEDA海外版,使用建立访问速度更快的国内版 https://lceda.cn(需要重新注册)
如果需要转移工程请在个人中心 - 工程 - 工程高级设置 - 下载工程,下载后在https://lceda.cn/editor 打开保存即可。
有问题联系QQ 3001956291 不再提醒
svg-battery svg-battery-wifi svg-books svg-more svg-paste svg-pencil svg-plant svg-ruler svg-share svg-user svg-logo-cn svg-double-arrow
We use cookies to offer you a better experience. Detailed information on the use of cookies on this website is provided in our Privacy Policy. By using this site, you consent to the use of our cookies.