85 lines
1.7 KiB
Plaintext
85 lines
1.7 KiB
Plaintext
BBU Pin,Signal Name,Description,Device Connection,Device Pin
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1,GND,,,
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2,RD7,,,
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3,RD8,,,
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4,RD9,,,
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5,RD10,,,
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6,RD11,,,
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7,RD12,,,
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8,RD13,,,
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9,RD14,,,
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10,RD15,,,
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11,EXTPDS,,,
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12,EN245,Select Data Buffer,74LS245,
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13,VCC,,,
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14,/WR,,,
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15,/CAS-SIMM3,,SIMM3,2
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16,/CAS-SIMM1,,SIMM1,2
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17,/EOP,,53C80,
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18,/CAS-SIMM4,,SIMM4,2
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19,/CAS-SIMM2,,SIMM2,2
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20,/RAS,,,
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21,GND,,,
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22,VCC,,,
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23,A23,,,
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24,A22,,,
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25,A21,,,
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26,A20,,,
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27,A19,,,
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28,A17,,,
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29,A9,,,
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30,/IPL1,,68000,
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31,/IPL0,,68000,
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32,IRQ,,65C22/6523,
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33,/LDS,,68000,
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34,/BERR,,68000,
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35,/UDS,,,
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36,/VPA,,68000,
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37,CK,,68000,
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38,/DTACK,,68000,
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39,SELROM,Select ROM,ROM,"20 on ROM HI, LO"
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40,"RTxCB, PCLK, ADB CLK",All the things,"85C30, ADB, GLU","20 & 28 on 85C30, 16 on ADB, 9 on GLU"
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41,/AS,,,
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42,VCC,,,
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43,GND,,,
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44,FCLK,,"SWIM, GLU","24 on SWIM, 19 on GLU"
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45,SELSCC,Select SCC,85C30,32 on /CE
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46,/RD,,85C30,
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47,R/W,,,
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48,SELSWIM,Select SWIM,SWIM,7 on /DEV
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49,EXTFLP,PWM,External Floppy,10 on PWM
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50,PB7,,65C22/6523,
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51,SELSND,Select Sound,SND,
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52,EXTPDS,,,
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53,PA6,,65C22/6523,
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54,/LDS,,,
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55,DRQ,,53C80,22 on DRQ
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56,/DACK,,53C80,26 on /DACK
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57,SELSCSI,Select SCSI,53C80,21 on /CS
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58,SELVIA,Select VIA,65C22/6523,24 on RS0
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59,/RST,,,
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60,HSYNC,Horizontal Sync,J12,Pin 10 on J12
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61,VSYNC,Veritcal Sync,"J12, 65C22/6523","Pin 11 on J12, 40 on DB7"
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62,VIDOUT,Composite Video Out,"J12, 65C22/6523","Pin 9 on J12, 28 on PC3"
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63,GND,,,
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64,VCC,,,
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65,RA9,,,
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66,RA7,,,
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67,RA8,,,
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68,RA6,,,
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69,RD0,,,
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70,RA5,,,
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71,RA4,,,
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72,RD1,,,
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73,RA3,,,
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74,RD2,,,
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75,RD3,,,
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76,RA2,,,
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77,RD4,,,
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78,RA1,,,
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79,RA0,,,
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80,RD5,,,
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81,/PMCYC,,74F257,/OE
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82,EN257,Select Address Buffer,74F257,
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83,RD6,,,
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84,VCC,,, |