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UM014220-0508 Schematic Diagrams
eZ80F91 Development Kit
User Manual
62
eZ80F91 Module
Figure 23 through Figure 25 displays the layout of the eZ80F91 Module. Ethernet circuiting devices are not loaded on the eZ80F91 Module.
However, these devices appear in the following schematics for reference purposes.
Figure 23. eZ80F91 Module Schematic Diagram, #1 of 3—Connectors and Miscellaneous
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
connector
2
connector
1
=
(MMA 02
04)
open-dr
ain
alternat
ive:
Maxi
m
MAX6802UR
29D3
Memory
WR_EN
96
C0879-001
B
eZ80F91
Ethernet Module.
ZiLOG, Inc.
532 Race Street. San Jose,CA 95126. 408.558.8500
B
13
Thursday, November 06, 2003
Title
Siz
e
Document Number
Rev
Date:
Sheet
of
D3
PD1
-RD
-BUSREQ -BUSREQ
GND
TD
O
D[0..7]
A8
-CS0
-DIS_FLASH
-RESET
A22
-WR
RTC_VDD
-BUSACK
A[0..23]
PD3
-WR
-HALT_SL
P
-MREQ
A19
A13
-FLASHWE
A10
D5
-RESE
T
-WAIT-WAIT
TDO
GND
PD5
PB1
-NMI
-IOREQ
A5
PD6
-MREQ
D7
-CS[0..3]
A11
-CS2
-FLASHWE
PB[0..7]
A15
A18
A2
PB3
IICSDA
PC2
-INSTRD
PC6
GND
-BUSACK
PC[0..7]
TM
S
D1
A4
TCK
PB5
-HALT_SL
P
PC4
IICSCL
TCK
PC0
IICSCL
A21
PD[0..7]
GND
TRIGOUT
TDI
A6
PB7
-CS3
RTC_VDD
IICSDA
CLK_OUT
EZ80CLK
IICSDA
IICSCL
-DIS_IRDA
IR_SD
PD2
DISABLE_IRDA
IRDA_SD
PD0
IRDA_SD
PD1
A17
D2
A16
A1
-BUSREQ
GND
D6
A9
-CS1
A23
-IOREQ
A0
A7
GND
D4
A12
-DIS_FLASH
D0
-INSTRD
-RD
A20
A14
PD7
PD2
PB4
-DIS_IRDA
PD4
TMS
PC5
PB6
EZ80CLK
PD0
PC7
-NMI
PB0
GND
TRIGOUT
-WAIT
PC3
PB2
PC1
GND
TDI
GND
GND GND
PA7
PA5
PA3
PA1
PA6
PA4
PA2
PA0
-TRS
TN
-F91_WE
-F91_WP
-RESE
T
PA[0..7]
A3
VCC
VCC
VCC
VCC
VCC
VCCVCC
-TRST
N
-F91_WE
GND
GND
VCC
VCC
VCCVCC
VCC
VCC
VCC
VCC
VCC
VCC
GND GND
VCC
R3
68R
R37
10K
C1
330nF
R12
10K
R6
2.2K
R4
2R7
R2
4.7K
C2
0.1uF
U1C
74LCX04
TSS
OP14
5 6
C3
0.01uF
R20
10K
U1B
74LCX04
TSS
OP14
3 4
U1A
74LCX04
TSS
OP14
1 2
R5
2.2K
R7
10K
R8
10K
R1
4.7K
U4A
74LCX32
TSS
OP14
1
2
3
R9
4.7K
U3
MAX63
28UR29
SO
T-23-L3
2
1 3
RESET
GND VDD
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
U4D
74LCX32
TSS
OP14
12
13
11
U2
ZHX181
0
2
4
3
1
5
6
0
TXD
SD
RXD
LEDA
VCC
GND
T
U1F
74LCX04
TSS
OP14
13 12
R10
10K
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
JP3
1
2
U4B
74LCX32
TSS
OP14
4
5
6
-BUSACK
TDO
PB[0..7]
-WR
-NMI
-FLASHWE
CLK_OUT
-HALT_SL
P
-MREQ
IICSDA
-BUSREQ
-RD
D[0..7]
-INSTRD
GND
PD[0..7]
-DIS_FLASH
-WAIT
IICSCL
-RESET
A[0..23]
-IOREQ
PC[0..7]
-CS[0..3]
RTC_VDD
-F91_WP
TDI
TRIGOUT
TCK
TMS
-TRST
N
PA[0..7]
VCC
- Microcontrollers 1
- Revision History 2
- Safeguards 3
- Table of Contents 4
- Introduction 6
- Hardware Specifications 7
- Development Kit segmented 9
- B. eZ80F91 Module interface 10
- User Manual 11
- UM014220-0508 Introduction 11
- Figure 3. The eZ80F91 Module 11
- Figure 4. Basic eZ80Acclaim! 13
- Physical Dimensions 14
- Ω; Low Yes 20
- Figure 7. eZ80Acclaim! 21
- Application Module Interface 24
- I/O Functionality 27
- Development Kit Memory 33
- Push Buttons 38
- Connectors 45
- C Devices 46
- Functional Description 47
- UM014220-0508 eZ80F91 Module 48
- Operational Description 52
- Reset Generator 53
- IrDA Transceiver 54
- 0BFh in 55
- Flash Loader Utility 56
- Mounting the Module 56
- ZDI Target Interface Module 59
- Application Modules 59
- UM014220-0508 ZDS II 60
- Troubleshooting 61
- Schematics 62
- Equations 70
- U15 Address Decoder 73
- Customer Support 77
- UM014220-0508 78
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