Schematics, Ez80f91 development platform – Zilog EZ80F91 User Manual
Page 62
UM014220-0508
Schematics
eZ80F91 Development Kit
User Manual
57
Schematics
eZ80F91 Development Platform
through
displays the layout of the eZ80F91 Development Platform.
Figure 18. eZ80F91 Development Platform Schematic Diagram, #1 of 5
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
DO NOT USE J6_17 AND J6_35
MODEM CONNECTORS
MODEM's
AGND
ZDI
INTERFACE
DCD
RX
DTR
TX
Connectors
96C0858-001
C
Schematic, eZ80L92 Evaluation Board
ZiLOG
910 E. Hamilton Avenue
B
1
4
Friday, October 10, 2003
Title
Size
Document Number
Rev
Date:
Sheet
of
TCK
TDI
TDO
TDI
TRIGOUT
TCK
TMS
PRSTn
VDD
PB2_SS
D3
VDD
PB6_MISO
D2
D4
VDD
A20
GND
A6
A14
D5
GND
D6
A9
GND
PB1_T1_I
GND
GND
GND
D0
A0
A23
A11
GND
GND
A5
GND
PB7_MOSI
PB0_T0_I
A4
A19
A2
A16
A21
A12
-RESET
VDD
D1
GND
A1
A17
A7
GND
GND
GND
A8
D7
PHI
VDD
GND
A22
A13
A3
A18
PB3_SCK
GND
GND
A10
A15
VDD
VDD
VDD
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
A0
A1
A2
A3
A4
A5
A6
A7
A11
MA15
MA11
A14
MA12
A13
A15
A9
MA8
MA9
A12
MA13
A10
MA14
MA10
A8
A16
A22
A19
MA21
MA19
MA17
MA20
A23
A21
MA23
MA18
A18
MA16
A17
MA22
A20
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
D1
D2
D0
D4
D3
D5
D6
D7
-M_RD
D[7:0]
A[23:0]
SCL
SDA
VDD
ID_0
ID_1
ID_2
9V_DC
GND
PC6_DCD1
PC2_RTS1
-MRESET
PC1_RXD1
PC3_CTS1
PC5_DSR1
PC0_TXD1
PC7_RI1
GND
PC4_DTR1
MA6
MA10
GND
MA8
MA13
MA15
MA18
MA19
MA2
MA11
MA4
MA5
-DIS_ETH
MA21
MA22
-M_CS0
-M_CS2
MD1
MD3
MD5
MD7
-M_MEMRQ
GND
-M_WR
-BUSACK
MD6
MA16
VDD
MD2
MA9
-M_RD
GND
VDD
MA0
MA12
MA17
MA1
INSTRD
MA23
MD0
MD4
MA7
-DIS_FL
-M_IORQ
MA3
GND
MA20
-M_CS1
MA14
-M_CS3
PC4_DTR1
PB3_SCK
VDD
SCL
GND
VDD
-FLASHWE
TDO
PB7_MOSI
PD6_DCD0
PD3_CTS0
PC0_TXD1
HALT_SLP
GND
RTC_VDD
SDA
PB1_T1_I
PD1_RXD0
-RST
PB5_T5_O
PC2_RTS1
PD5_DSR0
TCK
-DIS_IRDA
PC3_CTS1
PB2_SS
GND
PC7_RI1
GND
TDI
PB6_MISO
GND
PD2_RTS0
PD7_RI0
-NMI
TRIGOUT
M_PHI
PB0_T0_I
PD0_TXD0
PB4_T4_O
PC1_RXD1
PD4_DTR0
TMS
PC5_DSR1
GND
VDD
-M_CS0
-M_CS1
-M_CS2
M_TIP
M_RING
GND
GND
GND
VCC
GND
GND
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
PC6_DCD1
VDD
VDD
-BUSREQ
VDD
GND
VDD
VCC
GND
VDD
-MWAIT
PB4_T4_O
PB5_T5_O
-CS3
-FLASHWE
GND
GND
GND
VDD
GND
GND
GND
GND
VDD
GND
VDD
VDD
VCC
VCC
VDD
TVCC_RESETn
VDD
GND
-M_IORQ
-M_MEMRQ
-M_WR
-M_RD
-M_CS3
M_PHI
PRSTn
-RST
PC3_CTS1
-MOD_DIS
PD0_TXD0
-NMI
PC4_DTR1
PD1_RXD0
-CS0
INSTRD
PD2_RTS0
PHI
PD7_RI0
-CS2
-RD
PD4_DTR0
-BUSREQ
PC1_RXD1
PD5_DSR0
PD3_CTS0
PC2_RTS1
-CS1
PC5_DSR1
-IORQ
PC7_RI1
PC6_DCD1
PC0_TXD1
-CON_DIS
-WR
PD6_DCD0
-MEMRQ
-BUSACK
-RESET
EM_D1
EM_D2
EM_D3
EM_D4
EM_D5
EM_D6
EM_D7
D[7:0]
A[23:0]
EM_D0
-MWAIT
-MRESET
-MOD_DIS
-CS0
-CS1
-CS2
-CS_EX
SCL
SDA
MD[7:0]
VDD
GND
VCC
9VDC
PB2_SS
PB1_T1_I
PB0_T0_I
-DIS_FL
ID_0
ID_1
ID_2
M_TIP
M_RING
-L_RD
-DIS_ETH
-DIS_IRDA
-IORQ
-MEMRQ
PHI
-WR
-RD
-CS3
J1
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
R1
10K
JP2
Header 25x2
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
D1
2
1
C34
0.1uF
R9
0
J2
HEADER 2
1
2
D2
2
1
C31
0.1uF
D4
2
1
P1
con 7x2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R8
0
R2
10K
U1
74LVC244A
2
4
6
8
1
18
16
14
12
20
10
11
13
15
17
9
7
5
3
19
A1
A2
A3
A4
1OE
Y1
Y2
Y3
Y4
VCC
GND
A5
A6
A7
A8
Y5
Y6
Y7
Y8
2OE
C1
0.1uF
J4
Header 3x2
1
2
3
4
5
6
J5
HEADER 2
1
2
J8
Header 30x2
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
R3
10K
R19
10K
R5
1K
C33
0.1uF
U8A
TC74LVT125
2
3
14
1
7
U21
74LVC827/SO
12
24
23
22
21
20
19
18
17
16
2
3
4
5
6
7
8
9
13
1
10
11
15
14
GND
VCC
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
A1
A2
A3
A4
A5
A6
A7
A8
OE2
OE1
A9
A10
Y9
Y10
J12
Header 3
1
2
3
R24
10K
U5
74LVC244A
2
4
6
8
1
18
16
14
12
20
10
11
13
15
17
9
7
5
3
19
A1
A2
A3
A4
1OE
Y1
Y2
Y3
Y4
VCC
GND
A5
A6
A7
A8
Y5
Y6
Y7
Y8
2OE
R4
10K
R20
0
J7
HEADER 2
1
2
U2
AT24C128
1
2
4
5
6
7
8
3
A0
A1
GND
SDA
SCL
WP
VCC
NC
U3
74LVC244A
2
4
6
8
1
18
16
14
12
20
10
11
13
15
17
9
7
5
3
19
A1
A2
A3
A4
1OE
Y1
Y2
Y3
Y4
VCC
GND
A5
A6
A7
A8
Y5
Y6
Y7
Y8
2OE
D3
2
1
U9A
TC74LVC08
1
2
3
14
7
J9
HEADER 9
1
2
3
4
5
6
7
8
9
R21
0
U7
74LVC245/SO
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
OE
DIR
B0
B1
B2
B3
B4
B5
B6
B7
VCC
GND
JP1
Header 25x2
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
J6
Header 30x2
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
C30
0.1uF