RD in 0 in 0 io 0 in 0 in 0 in 0 in 0 VCC 29 24 22 30 in 0 in 0 in 0 in 0 32 in 0 in 0 in 0 20 22 27 1 WR in 0 36 A1 in 0 8 CE OE PGM VPP A0 WE OE CS1 CS2 VSS 16 pwr 0 CE_RAM_ROM VI+ 7 in 0 1uf INTR 18 out 0 17 out 0 16 out 0 15 out 0 14 out 0 13 out 0 12 out 0 11 out 0 D0 D1 D2 D3 D4 D5 D6 D7 A5 in 0 1 A6 in 0 2 A7 in 0 3 M1 5out 0 2 VCC sup 0 GND VCC INT 3 in 0 6 in 1 4 5 9 CS6 out 0 5 6 7 7 & in 1 D0 D1 D2 D3 D4 D5 D6 D7 11CS4 out 0 4 ADC0804 10CS5 out 0 out 0 in 0 in 0 in 0 in 0 in 0 in 0 in 0 in 0 74HCT138 3 4 7 8 13 14 17 18 in 0 1 11 1D 2D 3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 19.10.2014 20:01:19 K:\Elektronik\Z80\eagle\z80_minimal.sch (Sheet: 1/1) 74HCT374N in 0 out 0 out 0 GND out 0 7 in 0 C GND 2 5 6 9 12 15 16 19 hizpas 0 SpiceOrder 1 2 hizpas 0 SpiceOrder 1 2 hizpas 0 SpiceOrder 1 2 hizpas 0 SpiceOrder 1 2 hizpas 0 SpiceOrder 1 2 hizpas 0 SpiceOrder 1 2 hizpas 0 SpiceOrder 1 2 hizpas 0 SpiceOrder 1 2 8k2 8k2 R8 8k2 R9 8k2 R11 8k2 R12 8k2 R13 R14 8k2 R15 R16 paspas 1 0 SpiceOrder 1 paspas 1 0 SpiceOrder 1 paspas 1 0 SpiceOrder 1 paspas 1 0 SpiceOrder 1 paspas 1 0 SpiceOrder 1 paspas 1 0 SpiceOrder 1 paspas 1 0 SpiceOrder 1 pas 1 SpiceOrder 1 10 9 8 5 4 2 3 a b c d e f g LED3 4 A 1 A 6 D pas 0 pas 0 74HCT14C in 0 DP7 9 1k2 74HCT14 pas 1 SpiceOrder 1 R17 out 0 10 74HCT14B suppas 0 0 LED4 pasSpiceOrder 1 2 out 0 74HCT14 pas 0 11 in 0 VCC S1 sup 0 pas 2 pas 1 suppas 0 1 pasSpiceOrder 1 2 C2 pas 2 5501 pas 1 SpiceOrder 1 R2 GND christian.julius_at_gmx.de Z80 Demo Board I/O Steuerbus 5 8 LA-401AD GND pas 1 pas 1 pas 1 pas 1 pas 1 pas 1 pas 1 pas 1 pas 1 pas 1 pas 1 pas 1 pas 1 pas 1 VCC 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Port und Timerausgaenge 3 sup 0 SV1 5 4 3 2 1 suppas 0 1 pas 1 pas 1 pas 1 pas 1 pas 1 2 in 0 ok GND SpiceOrder 1 GND GND pas 1 C9 SpiceOrder 1 pas 1 C8 SpiceOrder 1 pas 1 C7 SpiceOrder 1 pas 1 C6 SpiceOrder 1 sup 0 C5 SpiceOrder 1 in 0 OC CLK A2 A1 A0 IOREQ NMI WR RD CS6 CS5 CS4 D7 D6 D5 D4 D3 D2 D1 D0 C4 pas 1 100n pas 1 100n pas 1 100n pas 1 100n pas 1 SpiceOrder 2 100n SV5 SpiceOrder 2 PIO_TB0 PIO_TA0 PIO3 pas 1 PIO2 pas TCLOCK 1 VCC passup 1 0 pas 1 pas 1 pas 1 pas 1 pas 1 pwrsup 0 0 VCC 26 7 SpiceOrder 2 100n pwr sup 00 8 suppwr 0 0 GND 8255P SpiceOrder 2 RESETok IEO okCE Z80STI 8-bit Latch IC5 12CS3 out 0 sup 0 GND IC4/-UB SpiceOrder 2 pwr 0 40 13CS2 out 0 2 in 0 SpiceOrder 2 in 0 SV4 14CS1 out 0 1 0 G7 IOREQ VI- VCC VCC 16 pwrsup 0 0 pwrsup 0 0 20 VCC pwr sup 00 10 IC3P GND 28suppwr0 0 VCC GND 14 suppwr 0 0 GND 1 pas 1 PC7pas 1 PC6pas 1 PC5pas 1 PC4pas 1 PC3pas 1 PC2pas 1 PC1pas 1 PC0pas 1 in 0 out 0 GND IC4/+UB PIO7 PIO6 PIO5 PIO4 PIO3 PIO2 PIO1 in 0 15CS0 out 0 0 0 GND M27C64P pas 1 out 0 B io 0 74HCT14 E pas 1 PB7 PB6 PB5 pas PB4 1 pas PB3 1 pas PB2 1 pas PB1 1 pas PB0 1 pas 1 pas 1 pas 1 pas 1 SV2 20 18 16 14 12 10 8 6 4 2 pas 1 PA7pas 1 okINT TXD out 0 pas 1 6 in 0 17 15 14 13 12 11 10 9 8 pas 1 SpiceOrder 1 CLKR AGND VREF C1 out 0 1 2 3 4 pas 1 in 0 R10 GND 19 in 0 8 in 0 9 PC0 PC1 io 0 PC2 io 0 PC3 io 0 PC4 io 0 PC5 io 0 PC6 io 0 PC6 io 0 I7 I6 I5 I4 I3 I2 I1 I0 RXD out 0 2.2k CS RD WR in 0 okIEI io 0 16 18 30 io 0 38 37 36 39 SI SO TCok RC pas 0 pasSpiceOrder 1 2 R6 SpiceOrder 2 pas 1 SpiceOrder 1 10k CS io 0 ok ok ok ok ok DMUX DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 out 0 VCC GND 6 VCC sup 0 5 1 2 in 0 3 in 0 PC0 PC1 PC2 PC3 PC4 PC5 PC6 PC7 in 0 io 0 pas 1 D0 D1 D2 D3 D4 D5 D6 D7 IC4 GND 74HCT14F in 0 6 14 15 16 17 13 12 11 10 okTCLK okM1 okRD okWR okIORQ in 0 out 0 io 0 + 74HCT14 RESET TCLOCK M1 io 0 RD in 0 WR in 0 IOREQin 0 5 6 29 31 19 in 0 I/O Port (3 x 8 bit) CLK in 0 pas 0 out 0 4k7 12 suppas 0 SpiceOrder 1 1 13 GND in 0 R5 74HCT14A A0 io 0 in 0 io 0 pas sup 0 0 150p SpiceOrder 1 C3 LED2 + GND pas 0 A1 PB0 io 0 PB1 io 0 PB2 io 0 PB3 io 0 PB4 io 0 PB5 io 0 PB6 io 0 PB7 io 0 D[0..7] I/O Chip Select pas 0 4 in 0 sup 0 sup 0 74HCT14 D VCC pas 1 pasSpiceOrder 1 2 pas 1 SpiceOrder 1 R7 35 WR 18 19 20 21 22 23 24 25 8 KB ROM IC3 pas 0 pas out 10 SpiceOrder 2 paspas 1 SpiceOrder 1 1 2 SpiceOrder 2 1 R4 in 0 sup 0 pas 1 74HCT14D SpiceOrder 2 74HCT14 suppas 0 1 4k7 out 0 in 0 in 0 AD-Wandler (8 bit) GND 4 9 PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 pwr 0 56KB RAM TCLOCK 74HCT14E in 0 RD in 0 PIO_TA0 PIO_TB0 io 0 VCC 5 21 22 23 24 25 26 27 28 D0 D1 D2 D3 D4 D5 D6 D7 1 2 3 4 TA0 TB0 TC0 TD0ok sup 0 in 0 io 0 VCC RD io 0 in 0 Serial Port 9600 baud in 0 io 0 in 0 sup 0 in 0 io 0 io 0 PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 RESET in 0 in 0 io 0 D0 D1 D2 D3 D4 D5 D6 D7 GND in 0 nc 0 in 0 io 0 20 in 0 1 in 0 io 0 suppwr 0 0 D0 D1 io 0 D2 io 0 D3 io 0 D4 io 0 D5 io 0 D6 io 0 D7 io 0 in 0 NC in 0 O0 O1 O2 O3 O4 O5 O6 O7 ok VCC out 0 in 0 in 0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 GND 3 A sup 0 GND in 0 sup 0 Z80_STI okA0 okA1 STI okA2 okA3 35 34 33 32 CS0 out 0 sup 0 sup 0 GND VCC out 0 in 0 in 0 in 0 VCC 11 out 0 in 0 in 0 A0 A1 A2 A3 pas 0 pwr 0 GND out 0 in 0 io 0 PA0 io 0 PA1 io 0 PA2 io 0 PA3 io 0 PA4 io 0 PA5 io 0 PA6 io 0 PA7 io 0 pas 1 29 out 0 in 0 D0 D1 io 0 D2 io 0 D3 io 0 D4 io 0 D5 io 0 D6 io 0 D7 io 0 4 3 2 1 40 39 38 37 SpiceOrder 2 pwr 0 CLK TRI 14 15 12 8 7 9 10 13 D0 D1 D2 D3 D4 D5 D6 D7 out 0 in 0 13 14 15 17 18 19 20 21 io 0 R3 6 in 0 in 0 BUSRQ BUSAK out 0 in 0 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 34 33 32 31 30 29 28 27 D0 D1 D2 D3 D4 D5 D6 D7 SpiceOrder 1 25 23 out 0 in 0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 D0 hiz 0D1 hiz 0D2 hiz 0D3 hiz 0D4 hiz 0D5 hiz 0D6 hiz 0D7 hiz 0 CS1 1 RESET out 0 in 0 12 11 10 9 8 7 6 5 27 26 23 25 4 28 3 31 2 11 12 13 15 16 17 18 19 sup 0 out 0 26 out 0 in 0 10 9 8 7 6 5 4 3 25 24 21 23 2 VCC 3 INT NMI out 0 in 0 in 0 VCC WAIT out 0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 sup 0 24 out 0 VCC sup 0 HALT out 0 AS6C1008 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 sup 0 in 0 out 0 ASE sup 0 C GND 18 out 0 D[0..7] in 0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 RFSH INT in 0 16 NMI in 0 17 VDD 2 M1 MREQ IORQ RD WR 28 8255 M27C64 30 31 32 33 34 35 36 37 38 39 40 1 2 3 4 5 pas sup 1 0 2k LED1 pas 0 in 0 U$1 pwr 0 pas 2 5501 sup 0 VCC passup 1 0 SpiceOrder 2 R1 pas 0 pasSpiceOrder 1 1 VCC sup pas 01 2k out 0 sup 0 OUT pas 2 pas 1 A[0..15],CE_RAM,CE_ROM,CE_PIO,RD,WR,INT,M1,NMI,MREQ,IOREQ,TCLOCK Z80CPU M1 out 0 27 out 0 19 MREQ out 0 20 IOREQ RD out 0 21 WR out 0 22 RESET 4 S2 pas 1 Multi I/O Chip Timer SIO VCC pwr 0 VCC sup 0 PA[0..7],PB[0..7],PC[0..7],PIO[0..7],PIO_TA0,PIO_TB0,PIO_TC0,PIO_TD0,SI,SO,TC 74HCT32 out 0 VCC pasSpiceOrder 1 1 R26 SpiceOrder 2 B 8 19 17 15 13 11 9 7 5 3 1 LED10 sup 0 R25 SpiceOrder 1 7 VCC SpiceOrder 2 SpiceOrder 1 R24 LED18 10k paspas0 1 pas 0 PA6pas 1 SpiceOrder 2 SpiceOrder 1 R23 LED16 10k paspas0 1 pas 0 SpiceOrder 2 SpiceOrder 1 R22 LED15 10k paspas0 1 pas 0 SpiceOrder 2 SpiceOrder 1 R21 LED14 10k paspas0 1 pas 0 SpiceOrder 2 SpiceOrder 1 SpiceOrder 2 PA5pas 1 MEM_RD out 0 PA4pas 1 3 CE_RAM_ROM PA3pas 1 2 74HCT32 PA2pas 1 11 out 0 A15 in 1 74HCT32/1 0, wenn RD=0 + MREQ = 0 >1 A14 1 13 74HCT32 A13 in 1 in 1 10 74HCT32 MREQ A 12 SpiceOrder 1 in 1 in 1 SpiceOrder 2 5 out 0 74HCT32/4 >1 SpiceOrder 1 in 1 8 MEM_WR out 0 74HCT32/3 >1 9 10k paspas0 1 WR 6 in 1 SpiceOrder 2 74HCT32/2 0, wenn WR=0 + MREQ = 0 >1 4 PA0pas 1 in 1 6 R20 LED13 10k paspas0 1 pas 0 5 R19 LED17 10k paspas0 1 pas 0 4 PA1pas 1 3 pas 0 2 R18 LED12 10k paspas0 1 pas 0 1 6 7 z80_minimal 19.10.2014 20:00:44 Sheet: 1/1 8 E