Table of Contents
Advertisement
Schematics
®
eZ80Acclaim!
MDS Adapter Board Schematic
Figure 10
is a schematic for eZ80Acclaim! MDS adapter board. Flash memory chip U2 is not installed; it is shown for reference only.
When U2 is installed, it is accessed using CS3.
5
VCC_33V
A0
A2
A1
D
VCC_33V
A3
10
GND
12
D5
14
D4
CR1
16
D2
18
1N5817
D6
20
GND
22
A18
24
A20
26
R2
A22
28
220
-CS0
30
VCC_33V
32
-CS2
34
RTC_VDD
36
GND
38
-HALT_SLP
40
VL1
-WR
42
A11
44
A9
46
GND
48
A5
50
A4
52
GND
54
VCC_SRAM
56
C
D0
D1
D2
D3
D4
11
VCC_33V
D5
14
D6
17
D7
R4
18
10K
21
GND
J4
22
B
FLASH_EN
1
13
2
HEADER 2
-CS3
-RST
3
2
VCC_33V
U3A
A
GND
R8
1K
TC74LVT125
5
UM017009-0708
4
J1
J2
VCC_33V
PA4
PA3
2
1
2
1
A6
PA5
PA7
4
3
4
3
A7
PA0
PB5
6
5
6
5
A8
PA1
PB6
8
7
8
7
A10
EZ80CLK
VCC_33V
9
10
9
PB7
PB1
GND
11
12
11
-RD
PB3
PC4
13
14
13
D1
PC7
PA6
15
16
15
D0
PA2
PB4
17
18
17
A17
GND
GND
19
20
19
PB0
PB2
21
GND
22
21
A19
PC5
PC6
23
24
23
A21
PC1
PC3
25
26
25
A23
PC0
PC2
27
28
27
-CS3
GND
GND
29
30
29
VCC_33V
PD7
TMS
31
32
31
-F91_WE
PD6
PD5
33
34
33
D3
PD4
PD3
35
36
35
GND
TRIGOUT
-TRSTN
37
38
37
D7
GND
GND
39
40
39
A13
PD1
TCK
41
42
41
PD0
TDI
43
A12
44
43
A14
TDO
PD2
45
46
45
GND
GND
47
GND
48
47
A16
IICSCL
-DIS_IRDA
49
50
49
A15
IICSDA
-WAIT
51
52
51
GND
-NMI
-RST
53
54
53
VCC_SRAM
VCC_33V
VCC_33V
55
56
55
HEADER 28x2
HEADER 28x2
MINI MODULE CONNECTORS
U1
F_D0
3
2
1A1
1B1
F_D1
4
5
1A2
1B2
F_D2
7
6
1A3
1B3
F_D3
8
9
1A4
1B4
F_D4
10
1A5
1B5
F_D5
15
2A1
2B1
F_D6
16
2A2
2B2
F_D7
19
2A3
2B3
20
2A4
2B4
GND
23
2A5
2B5
VCC_33V
1
24
1OE
VCC
12
ZDI
2OE
GND
C1
INTERFACE
0.001uF
74CBTLV3384/SO
J5
GND
VCC_33V
PRSTn
1
2
TCK
3
4
GND
TDI
5
6
R5
10K
Header 3x2
R6
VCC_33V
VCC_33V
10K
RESET
U4A
S2
GND
1
1
2
R7
3
VCC_33V
2
TC74LVC08
JTAG
10K
INTERFACE
GND
P1
TDI
1
2
TDO
3
4
TCK
GND
5
6
7
8
TVCC_RESETn
TMS
9
10
VCC_33V
PRSTn
11
12
13
14
4
Figure 10. eZ80Acclaim!
3
connector 1
J9
JP1
-DIS_IRDA
1
GND
2
1
3
-TRSTN
5
HEADER 2
-F91_WE
7
DIS IRDA
GND
9
A6
J10
11
A10
R14
13
VCC_CUST
VCC_SRAM
GND
1
15
A8
17
0
A13
19
HEADER 1
A15
21
A18
23
R15
A19
25
VCC_SRAM
VCC_33V
A2
27
A11
29
A4
0
31
R1
D1
A5
33
10K
TEST
35
LED YEL
A21
37
A22
39
R3
-CS0
41
PB5
-CS2
43
D1
45
330
D3
47
D5
49
D7
S1
51
PB3
GND
-MREQ
1
2
53
GND
55
SW PUSHBUTTON
-WR
57
TEST
-BUSACK
59
HEADER 30x2/SM
U2
A1
F_D0
25
29
A0
D0
A2
F_D1
24
31
A1
D1
A3
F_D2
23
33
A2
D2
A4
F_D3
22
35
A3
D3
A5
F_D4
21
38
A4
D4
A6
F_D5
20
40
A5
D5
A7
F_D6
19
42
A6
D6
A8
F_D7
18
44
A7
D7
A9
8
30
A8
D8
A10
7
32
A9
D9
A11
6
34
A10
D10
A12
5
36
A11
D11
A13
4
39
A12
D12
A14
3
41
A13
D13
A15
2
43
A14
D14
A16
A0
1
45
A15
D15/A-1
A17
48
A16
A18
17
A17
A19
A21
16
10
A18
NC
A20
9
13
A19
NC
-RST
12
RESET
15
RY/BY
VCC_33V
14
VPP
37
VCC
-RD
28
C2
C3
OE
FLASH_EN
26
27
0.001uF
0.1uF
CE
GND
GND
46
GND
-WR
11
WE
GND
47
BYTE
Am29LV160D
GND
J6
HEADER 2
3
®
MDS Adapter Board Schematic (1 of 2)
eZ80F91 Modular Development Kit
2
1
connector 2
JP2
PA7
PA6
2
1
2
PA5
PA4
4
3
4
PA3
PA2
6
5
6
PA1
PA0
8
7
8
VCC_33V
VCC_33V
GND
10
9
10
A0
PB7
PB6
12
11
12
PB6
A3
PB5
PB4
14
13
14
VCC_33V
PB3
PB2
16
15
16
A7
PB1
PB0
18
17
18
A9
GND
PC7
20
19
20
A14
PC6
PC5
22
21
22
24
A16
PC4
23
24
PC3
GND
PC2
PC1
26
25
26
A1
28
PC0
27
28
PD7
A12
PD6
GND
30
29
30
A20
PD5
PD4
32
31
32
A17
PD3
PD2
34
33
34
PD3
PD2
-DIS_FLASH
PD1
PD0
36
35
36
PD1
PD0
VCC_33V
TDO
TDI
38
37
38
A23
GND
TRIGOUT
40
39
40
-CS1
TCK
TMS
42
41
42
D0
RTC_VDD
EZ80CLK
44
43
44
46
D2
IICSCL
45
46
D4
IICSDA
GND
48
47
48
-FLASHWE
50
GND
49
50
D6
-CS3
-DIS_IRDA
52
51
52
-IOREQ
-RST
-WAIT
54
53
54
-RD
VCC_33V
GND
56
55
56
-HALT_SLP
-INSTRD
-NMI
58
57
58
-BUSREQ
VCC_33V
60
59
60
HEADER 30x2/SM
J3
1
J12
GND
2
GND
3
2
4
VCC_5V
1
5
6
7
8
HEADER 2
9
10
11
GPRS MODEM
12
13
CONNECTORS
14
15
16
17
18
19
20
21
J11
22
24
23
-RST
GND
2
24
GND
PC4_DTR1
PC4
1
25
PC6_DCD1
PC6
26
26
PC3_CTS1
PC3
27
PC5_DSR1
PC5
HEADER 9
28
PC7_RI1
PC7
29
PC0_TXD1
PC0
30
PC1_RXD1
PC1
31
PC2_RTS1
PC2
32
HEADER 32
ZiLOG, Inc.
532 Race Street
San Jose, CA 95126
Title
eZ80 Acclaim! Platform
Size
Document Number
B
96C0945-001
Date:
Thursday, March 04, 2004
Sheet
1
of
2
2
1
User Manual
33
D
C
B
A
Rev
A
Schematics
Advertisement
Table of Contents
