Z80 Demo Board

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
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