Digi RCM4000 User Manual download pdf (Page 92)

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86 RabbitCore RCM4000

Figure A-4 shows a typical timing diagram for the Rabbit 4000 microprocessor external

I/O read and write cycles.

Figure A-4. External I/O Read and Write Cycles—No Extra Wait States

NOTE: /IOCSx can be programmed to be active low (default) or active high.

adr

External I/O Read (no extra wait states)

CLK

A[15:0]

External I/O Write (no extra wait states)

CLK

A[15:0]

/IORD

valid

/BUFEN

/IOCSx

/IOWR

/BUFEN

D[7:0]

valid

setup

hold

/CSx

/IOCSx

CSx

IOCSx

IORD

BUFEN

CSx

IOCSx

IORD

BUFEN

valid

D[7:0]

/CSx

CSx

IOCSx

IOWR

CSx

IOCSx

IOWR

BUFEN

DHZV

DVHZ

1 2 ... 87 88 89 90 91 92 93 94 95 96 97 ... 123 124

RabbitCore RCM4000 1
Rabbit Semiconductor 2
Trademarks 2
TABLE OF CONTENTS 3
RabbitCore RCM4100 4
Appendix C. Power Supply 109 5
Notice to Users 111 5
Index 113 5
Schematics 117 5
1. INTRODUCTION 7
1.1 RCM4000 Features 8
User’s Manual 3 9
4 RabbitCore RCM4000 10
A compatible 11
6 RabbitCore RCM4000 12
2. GETTING STARTED 13
2.2 Hardware Connections 14
RCM4000/ 15
10 RabbitCore RCM4000 16
Other Power-Supplies 17
2.3 Run a Sample Program 18
2.4 Where Do I Go From Here? 19
14 RabbitCore RCM4000 20
3. RUNNING SAMPLE PROGRAMS 21
3.2 Sample Programs 22
3. Run from RAM 23
18 RabbitCore RCM4000 24
IP Address : 10.10.6.101 25
Netmask : 255.255.255.0 25
Default gateway : 10.10.6.1 25
20 RabbitCore RCM4000 26
STDIO window 27
22 RabbitCore RCM4000 28
4. HARDWARE REFERENCE 29
These pinouts are as seen on 30
Backup Battery 31
26 RabbitCore RCM4000 32
User’s Manual 27 33
28 RabbitCore RCM4000 34
User’s Manual 29 35
4.2 Serial Communication 36
ETHERNET 37
DIAG connector on the 38
4.3 Programming Cable 39
34 RabbitCore RCM4000 40
(RCM4000) 41
Conversion starts 42
User’s Manual 37 43
4.5 Other Hardware 44
4.6 Memory 45
40 RabbitCore RCM4000 46
5. SOFTWARE REFERENCE 47
42 RabbitCore RCM4000 48
SAMPLES/RCM4000 49
RS232.LIB 49
PACKET.LIB 49
44 RabbitCore RCM4000 50
User’s Manual 45 51
RETURN VALUE 51
User’s Manual 47 53
User’s Manual 49 55
PARAMETERS 55
-1 overflow or out of range 56
User’s Manual 51 57
SEE ALSO 57
52 RabbitCore RCM4000 58
User’s Manual 53 59
54 RabbitCore RCM4000 60
User’s Manual 55 61
56 RabbitCore RCM4000 62
User’s Manual 57 63
PARAMETER 63
58 RabbitCore RCM4000 64
User’s Manual 59 65
60 RabbitCore RCM4000 66
5.3 Upgrading Dynamic C 67
62 RabbitCore RCM4000 68
6. USING THE TCP/IP FEATURES 69
64 RabbitCore RCM4000 70
User’s Manual 65 71
66 RabbitCore RCM4000 72
User’s Manual 67 73
68 RabbitCore RCM4000 74
User’s Manual 69 75
70 RabbitCore RCM4000 76
User’s Manual 71 77
72 RabbitCore RCM4000 78
74 RabbitCore RCM4000 80
6.7 Where Do I Go From Here? 81
76 RabbitCore RCM4000 82
User’s Manual 77 83
Please refer to the RCM4000 84
Exclusion 85
80 RabbitCore RCM4000 86
User’s Manual 81 87
A.1.1 A/D Converter 88
RCM4000 Series 89
Footprint 89
84 RabbitCore RCM4000 90
A.4 Bus Loading 91
I/O read and write cycles 92
User’s Manual 87 93
A.5 Conformal Coating 94
A.6 Jumper Configurations 95
90 RabbitCore RCM4000 96
PPENDIX B. PROTOTYPING BOARD 97
B.1 Introduction 98
User’s Manual 93 99
94 RabbitCore RCM4000 100
B.3 Power Supply 102
User’s Manual 97 103
98 RabbitCore RCM4000 104
Prototyping Board 105
JP23/JP24 106
User’s Manual 101 107
Thermistor 108
(RCM4100) 108
User’s Manual 103 109
106 RabbitCore RCM4000 112
User’s Manual 107 113
108 RabbitCore RCM4000 114
APPENDIX C. POWER SUPPLY 115
165 mA·h 116
NOTICE TO USERS 117
112 RabbitCore RCM4000 118
User’s Manual 113 119
114 RabbitCore RCM4000 120
User’s Manual 115 121
116 RabbitCore RCM4000 122
SCHEMATICS 123

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