Zilog EZ80F916 - Manual (Page 35)

UM017010-0112 Schematics
eZ80F91 Modular Development Kit
User Manual
30
Schematics
Figures 8 and 9 show schematic diagrams of the eZ80Acclaim! MDS Adapter Board. In these diagrams, Flash memory chip U2 is not installed;
it is shown for reference only. When U2 is installed, it is accessed using CS3.
Figure 8. eZ80Acclaim! MDS B Schematic Diagram, #1 of 2
GPRS MODEM
CONNECTORS
ZDI
INTERFACE
24
26
connector 2 connector 1
MINI MODULE CONNECTORS
RESET
JTAG
INTERFACE
TEST
TEST
DIS IRDA
96C0945-001 A
eZ80 Acclaim! Platform
ZiLOG, Inc.
532 Race Street
San Jose, CA 95126
B
Title
Size Document Number Rev
PC2_RTS1 PC2
PC0_TXD1 PC0
VCC_33V
TDI
PC7_RI1 PC7
PC1_RXD1 PC1
PRSTn
PC3_CTS1 PC3
TDO
TMS
GND
PC5_DSR1 PC5
PC4_DTR1 PC4
TCK
PC6_DCD1 PC6
PRSTn
TDI
TCK
GND
VCC_33V
GND
GND
-RD
GND
PC7
PD2
PB7
IICSCL
PB3
PD6
-HALT_SLP
-CS1
-WR
PA1
PC3
PD5
-FLASHWE
VCC_33V
A3
A1
D4
GND
D1
A20
-NMI
PB4
-CS3
GND
A23
-MREQ
A10
-TRSTN
PB2
PC5
PA6
PB1
VCC_33V
D3
A12
-BUSREQ
-F91_WE
-BUSACK
A4
A14
TCK
GND
PB0
PC0
D7
A19
A8
-IOREQ
D5
-DIS_FLASH
PB6
PA4
PC1
PB5
A15
VCC_33V
RTC_VDD
GND
PD3
-CS0
GND
PA7
A0
A17
-DIS_IRDA
PC2
-RST
D0 EZ80CLK
PA2
A18
VCC_33V
IICSDA
D6
PA5
TRIGOUT
TDO
A11
VCC_33V
D2
A7
PD4
A21
-INSTRD
PD0
PD7
A6
PA0
TDI
PC4
A5
A2
PD1
A9 A13
GND
-WAIT
A22
PA3
-CS2
GND
VCC_33V
GND
A16
PC6
TMS
GND
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
-RST
-RD
FLASH_EN
-WR
GND
F_D0
F_D1
F_D2
F_D3
F_D4
F_D5
F_D6
F_D7
VCC_33V
VCC_33V
GND
VCC_33V
GND
TVCC_RESETn
-RST
PB3
PB5
GND
GND
D2
D7
F_D0
GND
D6
F_D1
-CS3
VCC_33V
VCC_33V
GND
VCC_33V
F_D2
F_D5
VCC_33V
GND
D1
F_D3
GND
D0
GND
D4
GND
VCC_33V
F_D7
F_D4
GND
D3
D5
F_D6
FLASH_EN
VCC_33V
GND
-DIS_IRDA
A21
D1
D3
A21
A3
PA5
GND
GND
PB5
PC7
TRIGOUT
GND
PD1
VCC_33V
PC6
D6 GND
-RST
PD4
A17
A16
PD0
-WR
D4
PC3
A13
PA0
VCC_33V
PB1
A11
PA7
GND
VCC_SRAM
VCC_33V
-RD
A4
GND
A8 PA1
A7
GND
-CS3
-F91_WE
PC2
-WAIT
TCK
GND
GND
VCC_33V
PB6
-TRSTN
A20
A15
A0
VCC_33V
PD2 TDO
D0
IICSCL
GND
GND
A18
GND
A6
A10
PB7
PB3
PD5 -CS2
IICSDA
-DIS_IRDA
-CS0
A1
VCC_33V
A22
A14
GND
PA3
A5
A12
GND
GND
PC0
PB4
GND
PC1
PD6
PA2
PD7
A9
VCC_SRAM
D5
PD3
VCC_33V
GND
-HALT_SLP
PC4
EZ80CLK
TMS
A2
RTC_VDD
PA4
D2
D7
PB2
A19
PB0
PC5
GND
PA6
TDI
-NMI
A23
VCC_SRAM
VCC_CUST VCC_SRAM
-RST
VCC_5V
PB6
PD2 PD3
PD0 PD1
GND
J3
HEADER 32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
R3
330
J1
HEADER 28x2
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 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
C2
0.001uF
J12
HEADER 2
1
2
J2
HEADER 28x2
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 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
J11
HEADER 9
1
2
P1
1 2
3 4
5 6
7 8
9 10
11 12
13 14
C3
0.1uF
J5
Header 3x2
1 2
3 4
5 6
S2
1 2
R8
1K
U3A
TC74LVT125
2 3
14 1
7
J10
HEADER 1
1
D1
LED YEL
2
1
R5
10K
R7
10K
J4
HEADER 2
1
2
R4
10K
U1
74CBTLV3384/SO
1
12 13
24
2
5
6
9
10
16
15
19
20
23
3
4
7
8
11
14
17
18
21
22
1OE
GND 2OE
VCC
1B1
1B2
1B3
1B4
1B5
2B2
2B1
2B3
2B4
2B5
1A1
1A2
1A3
1A4
1A5
2A1
2A2
2A3
2A4
2A5
1N5817
CR1
2
1
R2
220
R1
10K
J6
HEADER 2
1 2
J9
HEADER 2
1
2
C1
0.001uF
U4A
TC74LVC08
1
2
3
14
7
R14
0
JP2
HEADER 30x2/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
U2
Am29LV160D
25
24
23
22
21
20
19
18
8
7
6
5
4
3
2
1
48
17
16
9
12
15
28
26
11
29
31
33
35
38
40
42
44
30
32
34
36
39
41
43
45
10
13
14
37
27
46
47
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
RESET
RY/BY
OE
CE
WE
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15/A-1
NC
NC
VPP
VCC
GND
GND
BYTE
S1
SW PUSHBUTTON
1 2
VL1
R6
10K
R15
0
JP1
HEADER 30x2/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