User Ma
nua
l
U
M01
520
1-060
3
S
chematic
ZiLOG Dev
elopme
n
t Platforms
eZ80
®
Sale
s Demons
tra
tion Platform
14
Schematic
2 provide
schema
tics of th
e eZ80
®
Sale
s Demonstra
tion
Plat
form.
Fi
gu
re
1
.e
Z
80
®
Sa
le
s Demons
tra
tion Plat
fo
rm Sche
mat
ic
ZDI INTERFACE
connector
1
connector
2
DIS_FL
RES
DIS_IrDA
FL_WE
OFF
BOARD
I2C
DISPLAY
I2C
Put
R
17
and
R18
i
n
o
nly
when
Encore!
F
08
Board
is
used
Motorola
Mode
-DACK_EN
OFF
BOARD
DATA
BUS
GN
D
T
D
I
V
C
C
_33V
TC
K
PB0
-H
AL
T_
SL
P
PA1
PD7
A1
3
GN
D
E
Z
80C
LK
A2
3
V
C
C
_33V
D4
PC1
PB1
-R
D
-F
91_W
E
PB3
GN
D
PD4
-M
R
E
Q
A1
7
PA6
PD2
GN
D
V
C
C
_33V
GN
D
PD0
PC6
-IOR
E
Q
PC0
V
C
C
_33V
D7
A1
2
A2
0
-C
S
3
A8
-T
R
S
T
N
T
R
IGOU
T
TM
S
D2
A3
PA4
A1
0
D6
V
C
C
_33V
PD3
PA7
PC7
A1
9
A0
A2
2
PB4
TD
O
T
D
I
GN
D
A1
4
-W
A
IT
A1
6
D1
PA2
A1
5
D5
A9
PC4
-C
S
0
V
C
C
_33V
PA5
A7
RT
C_
VDD
GN
D
D3
-W
R
GN
D
PC5
GN
D
D0
-N
M
I
-B
USACK
A5
A2
1
PC3
A1
1
A1
A4
GN
D
PC2
A1
8
PA3
IIC
S
D
A
PA0
PD5
A6
-C
S
1
II
CSCL
V
C
C
_33V
PD6
PD1
-C
S
2
PB2
-IN
S
T
R
D
TC
K
A2
GN
D
-D
IS
_FLA
S
H
V
C
C
_33V
-B
USREQ
-R
ESET
-F
L
ASHW
E
PB7
GN
D
GN
D
-W
R
DB0
DB2
DB4
DB6
-C
S
2
V
C
C
_5V
A0
-R
D
DB1
DB3
DB5
DB7
-R
ESET
GN
D
II
CSCL
-W
A
IT
-C
S
2
-C
S
2
-W
R
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
D0
D1
D2
D3
D4
D5
D6
D7
GN
D
PB5
PB3
PB4
V
C
C
_5V
IIC
S
D
A
IIC
S
C
L
GN
D
V
C
C
_5V
GN
D
V
C
C
_33V
V
C
C
_5V
GN
D
II
CSDA
V
C
C
_5V
GN
D
V
C
C
_33V
V
C
C
_33V
V
C
C
_33V
-D
IS
_
IR
D
A
V
C
C
_33V
V
C
C
_5V
GN
D
PB6
R7
100
R2
680
U7
C
74LV
05
5
6
R1
7
4.
7K
SW
2
SW
PUSHBUTTO
N
R5
10K
J7
H
eade
r
3
x2
12
34
56
R3
2
10K
R8
100
J8
1
2
3
4
D1
RED
2
1
J4
1
2
D2
YEL
2
1
R1
8
4.
7K
SW
3
SW
PUSHBUTTO
N
R6
10K
C1
7
0.
1uF
R4
10K
JP
2
HEADER
3
0
x2
/SM
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
U1
74A
C
T
245
2
3
4
5
6
7
8
9
19
1
18
17
16
15
14
13
12
11
20
10
A0
A1
A2
A3
A4
A5
A6
A7
G
DI
R
B0
B1
B2
B3
B4
B5
B6
B7
VCC
GND
J1
1
2
R3
0
10K
J6
1
2
J5
1
2
3
4
J3
1
2
R3
680
JP
1
HEADER
3
0
x2
/SM
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
J2
HEADER
1
0
X
2
12
34
56
78
91
0
11
12
13
14
15
16
17
18
19
20