Mitsubishi DS5000TK manuali

Mitsubishi DS5000TK Guida Utente (174 pagine)

Marchio: Mitsubishi | Categoria: Networking | Dimensione: 0.67 MB |

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Indice

TABLE OF CONTENTS

1

SECTION 1: INTRODUCTION

2

SOFTWARE SECURITY

2

SEPARATE ADDRESS/DATA BUS

2

LARGE NONVOLATILE MEMORY

3

IN–SYSTEM LOADING

3

HIGH RELIABILITY OPERATION

3

PRODUCT DESCRIPTION

4

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5

SECTION 2: SELECTION GUIDE

6

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7

INTERNAL DATA BUS

8

INTERNAL ADDRESS BUS

8

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9

Watchdog Timer

10

Resident Loader ROM

10

Secure Microcontroller Memory

11

Organization

11

Internal Registers

11

Programmer’s note

12

Program and Data Memory

13

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14

DS5000 Memory Map Control

16

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17

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18

DS5001/DS5002 Memory Mapped

20

Peripherals

20

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24

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26

Special Function Registers

28

PA3 PA2 PA1 PA0 RA32/8 ECE2

29

POWER CONTROL REGISTER

31

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32

TIMER CONTROL REGISTER

33

TIMER MODE REGISTER

34

SERIAL CONTROL REGISTER

35

INTERRUPT ENABLE REGISTER

36

INTERRUPT PRIORITY REGISTER

37

DS5001 CRC REGISTER

38

DS5001 MCON REGISTER

40

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41

PROGRAM STATUS WORD REGISTER

42

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45

INSTRUCTION SET

46

Introduction

46

Addressing Modes

46

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47

Program Status Flags

48

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49

DATA RETENTION

56

BATTERY BACKED CIRCUITS

56

BATTERY ATTACH PROCEDURE

57

BATTERY LIFETIME

57

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58

LITHIUM BATTERY USAGE

59

FRESHNESS SEAL

59

SECTION 7: POWER MANAGEMENT

60

Idle Mode

60

Stop Mode

61

Voltage Monitoring Circuitry

62

Power Fail Interrupt

63

Total Power Failure

63

Partial Power Failures

63

SECTION 8: SOFTWARE CONTROL

65

Timed Access

65

TIMED ACCESS Figure 8–1

65

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66

WATCHDOG TIMER Figure 8–2

68

WATCHDOG TIMER CONTROL BITS

69

CRC MEMORY VERIFICATION

69

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70

CRC CODE EXAMPLE Figure 8–3

71

SECTION 9: FIRMWARE SECURITY

72

SECURITY OVERVIEW

72

SECURITY LOCK

73

RAM Memory

73

Encrypted Memory

73

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75

Encryption Algorithm

76

Encryption Key

76

Dummy Bus Access

77

On–chip Vector RAM

78

Self–Destruct Input

78

Microprobe/Die Top Coating

78

Random Number Generator

78

Security Summary by Part

79

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80

Change Code

81

External Circuits

81

Tamper Protection

81

SECTION 10: RESET CONDITIONS

82

Reset Sources

82

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83

Power On Reset

84

Power On Reset

85

External Reset

85

Watchdog Timer Reset

85

Memory Map

86

Interrupts

87

Protection

88

SECTION 11: INTERRUPTS

89

INTERRUPT SOURCES

89

External Interrupts

90

Timer Interrupts

90

Serial Port Interrupts

90

Power–fail Warning Interrupt

90

Simulated Interrupts

91

INTERRUPT PRIORITIES

93

INTERRUPT ACKNOWLEDGE

94

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95

SECTION 12: PARALLEL I/O

96

OVERVIEW

96

PORT 1 FUNCTIONAL CIRCUITRY

97

PORT 2 FUNCTIONAL CIRCUITRY

97

PORT 3 FUNCTIONAL CIRCUITRY

98

OUTPUT FUNCTIONS

98

INPUT FUNCTION

99

REPROGRAMMABLE PERIPHERAL

100

CONTROLLER (RPC)

100

RPC INTERRUPTS

101

Bit Description:

102

RPC PROTOCOL

103

DMA OPERATION

103

FUNCTIONAL DESCRIPTION

105

Bit Description

105

USER’S GUIDE

106

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106

SECTION 14: SERIAL I/O

110

FUNCTION DESCRIPTION

110

SCON.2: RB8

112

SCON.1: TI

112

SCON.0: RI

112

BAUD RATE GENERATION

112

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113

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114

TRANSMIT TIMING:

115

RECEIVE TIMING:

115

ASYNCHRONOUS OPERATION

116

Mode 2 and 3

117

APPLICATION: SERIAL PORT

120

INITIALIZATION

120

SERIAL I/O OPERATING MODES

120

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121

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122

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123

SECTION 15: CPU TIMING

124

OSCILLATOR

124

INSTRUCTION TIMING

125

EXPANDED DATA MEMORY TIMING

129

SECTION 16: PROGRAM LOADING

130

INTRODUCTION

130

INVOKING THE BOOTSTRAP LOADER

130

DS5000 Series

131

DS5001/DS5002 Series

131

EXITING THE LOADER

131

SERIAL PROGRAM LOAD MODE

133

AUTO–BAUD RATE DETECTION

134

COMMAND LINE INTERFACE

135

COMMAND LINE SYNTAX

135

COMMAND SUMMARIES

136

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137

Xon/Xoff

138

DS5002FP COMMANDS

138

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139

INTEL HEX FILE FORMAT

140

PARALLEL PROGRAM LOAD MODE

142

PARALLEL PROGRAMMING CONCERNS

143

RPC PROGRAM MODE OPERATION

143

SECTION 17: REAL–TIME CLOCK

144

DS1215 PHANTOM TIME CHIP

144

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145

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147

REGISTERS

148

SPECIAL BITS

148

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150

MEMORY MAP

151

TIME–OF–DAY ALARM

152

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153

DS1283 RTC INTERRUPTS

154

(DS1215 EXAMPLE)

155

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156

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157

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158

(DS1283 EXAMPLE)

159

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160

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161

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162

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163

SECTION 18: TROUBLESHOOTING

164

UNEXPLAINED DEVICE RESETS

164

WRONG TIME

164

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173

OGRAM BRANCHING

174

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