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Motorola MBX Series User Manual
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5-1
5
5
Functional Description
This chapte
r pro
vides
an o
vervi
e
w of the
MBX series embedded con
troll
er
includi
ng a det
ailed de
scrip
tion of t
he boar
d’
s major
components.
Detaile
d descrip
tions
of oth
er MBX block
s, includi
ng prog
rammab
le
reg
isters i
n the
ASICs and p
eriphera
l chip
s, can b
e found in t
he MBX
Pr
ogr
ammer’
s Refer
ence Guide
(listed
in
Appendi
x B,
Rela
ted
Documentat
ion
).
MBX Bloc
k Diagrams
The fo
llo
wi
ng f
igures
diagr
am the o
verall
board
archi
tectu
re.
50
52
Table of Contents
Default Chapter
7
Table of Contents
7
Overview of Contents
17
Summary of Changes
17
Comments and Suggestions
18
Conventions Used in this Manual
18
CHAPTER 1 Installation Procedures
21
Equipment Required
21
Overview of the Installation Procedure
21
Table 1-1. Installation Overview
21
Unpacking the Board
22
ESD Precautions
22
Unpacking Guidelines
23
Preparing the Board for Installation
23
Installing the Board
23
Installing Expansion Modules
27
Connecting an External Battery
30
Adding DRAM
32
Replacing Lithium Batteries
34
CHAPTER 2 Startup and Operation
37
Pre-Startup Check
37
Applying Power
37
Initialization Process
38
Restarting the System
39
Reset
39
Break
40
CHAPTER 3 Eppcbug Firmware
41
Firmware Overview
41
Firmware Implementation and Memory Requirements
42
Using the Debugger
42
Debugger Commands
43
Table 3-1. Debugger Commands
44
CHAPTER 4 VPD and ENV Commands
47
VPD-Display Vital Product Data
47
ENV-Set Environment
48
CHAPTER 5 Functional Description
51
MBX Block Diagrams
51
Figure 5-1. MBX821 Entry-Level Features Block Diagram
52
Figure 5-2. MBX860 Entry-Level Features Block Diagram
53
Figure 5-3. MBX821/860 Standard Features Block Diagram
54
MBX Features Summary
55
Table 5-1. Features of the MBX Series Embedded Controller
55
MBX Features Description
56
General Description
56
Processor
57
Mpc860
57
Mpc821
58
Real-Time Clock/Timer Functions
58
Dram
59
Flash Memory
60
Nvram
61
On-Board Backup Battery
61
Switches and Status Indicators
62
Abort Switch
62
Reset Switch
62
Status Indicators
63
Power Monitor Circuit
63
Peripheral I/O Controller
63
Asynchronous Serial Port
63
Parallel Port
64
2.88MB Floppy Disk Drive Controller
65
Keyboard and Mouse Interface
65
Ethernet Interface
65
PCMCIA Interface
66
LCD Interface (MBX821 Only)
66
Mpc8Xx Serial Communications Interface
67
Mpc8Xx Bus Interface
68
PCI/ISA Interface
68
PCI/ISA Bridge Controller
69
Polyswitches (Self-Resetting Fuses)
70
Table 5-2. Fuse Assignments
70
CHAPTER 6 Jumpers, Connectors, and Leds
71
MBX821/860 Connectors, Headers, Leds
71
Figure 6-1. MBX821/860 Connectors, Headers, Leds
72
MBX Jumper Headers
73
Jumper Settings in Brief
73
Table 6-1. Jumper Settings
73
J1 Backup Power Configuration
74
J3 Boot ROM Write Protection
75
J4 Boot ROM Device Selection
76
J5 Test/Debug Port Selection
77
J6 Arbitration Mode
78
J7 IDE Interface Configuration
79
J8-J10 DRAM DIMM Size
80
J11 DREQ# Signal Source for DMA-Type PCMCIA Cards
80
MBX Connectors and Pin Assignments
82
Power Connector J12
82
Analog Power Connector J28
82
Table 6-2. Power Connector Pin Assignments
82
Table 6-3. Analog Power Connector Pin Assignments
82
Test Port Header J23
83
Debug Port Header J24
83
Table 6-4. Test Port Header Pin Assignments
83
Table 6-5. Debug Port Header Pin Assignments
84
Table 6-6. Parallel I/O Header Pin Assignments
84
Serial Port Header J18
85
Table 6-7. Serial I/O Header Pin Assignments
85
Ethernet 10Baset Connector J15
86
Ethernet AUI Header J20
86
Table 6-8. Ethernet 10Baset Connector Pin Assignments
86
8Xx/Comm Expansion Connectors
87
Table 6-9. Ethernet AUI Header Pin Assignments
87
Table 6-10. 860/COMM Expansion Connector Pin Assignments
87
Table 6-11. 821/COMM Expansion Connector Pin Assignments
88
Utility Connector J16
91
Table 6-12. Utility Connector #1 (J16) Pin Assignments
91
LCD & SPI Connector J27 (MBX821)
92
Table 6-13. LCD & SPI Connector Pin Assignments
92
PC/104-Plus (PCI) Expansion Connector P2
93
Table 6-14. PC/104-Plus Expansion Connector Pin Assignments
93
PC/104 (ISA) Expansion Connector J21/J22
95
Table 6-15. PC/104 Expansion Connector Pin Assignments
95
EIDE Connector J14
96
Table 6-16. EIDE Connector Pin Assignments
96
Floppy Disk Connector J17
98
Table 6-17. Floppy Disk Drive Connector Pin Assignments
98
Utility Connector J19
99
MBX LED Status Indicators
99
Table 6-18. Utility Connector #2 (J19) Pin Assignments
99
Table 6-19. On-Board LED Status Indicators
100
APPENDIX A Specifications
101
General Specifications
101
Table A-1. MBX Series Specifications
101
Power Requirements
102
Table A-2. Basic Power Consumption
102
Cooling Requirements
103
Table A-3. Maximum Power Consumption for each PC/104-Plus Module
103
Table B-1. Motorola Computer Group Documents
105
Table B-2. Manufacturers' Documents
106
Table B-3. Related Specifications
107
4
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Motorola MBX Series Specifications
General
Brand
Motorola
Model
MBX Series
Category
Controller
Language
English
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