Mitsubishi DS5000TK Uživatelská příručka stáhnout pdf (Strana 54)

USER’S GUIDE

050396 53/173

DS2251T–128 BLOCK DIAGRAM Figure 5–6

DS2251T

DS5001FP 128K X 8 SRAM

REAL TIME CLOCK

BYTE–WIDE ADDRESS BUS

BYTE–WIDE DATA BUS

(14)

(8)

R/W

INTA

INTB

INTP

SQW

+3V

PORT0

PORT1

PORT2

PORT3

ALE

RST

PSEN

PROG

VRST

PE3

PE4

XTAL1

XTAL2

GND

CCO

ADDR

R/W

DATA

CE1

PE1

72 PINS

DS1283

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 173 174

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
050396 4/173 5
SECTION 2: SELECTION GUIDE 6
050396 6/173 7
INTERNAL DATA BUS 8
INTERNAL ADDRESS BUS 8
050396 8/173 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
050396 13/173 14
DS5000 Memory Map Control 16
050396 16/173 17
050396 17/173 18
DS5001/DS5002 Memory Mapped 20
Peripherals 20
050396 23/173 24
050396 25/173 26
Special Function Registers 28
PA3 PA2 PA1 PA0 RA32/8 ECE2 29
POWER CONTROL REGISTER 31
050396 31/173 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
050396 40/173 41
PROGRAM STATUS WORD REGISTER 42
050396 44/173 45
INSTRUCTION SET 46
Introduction 46
Addressing Modes 46
050396 46/173 47
Program Status Flags 48
050396 48/173 49
DATA RETENTION 56
BATTERY BACKED CIRCUITS 56
BATTERY ATTACH PROCEDURE 57
BATTERY LIFETIME 57
050396 57/173 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
050396 65/173 66
WATCHDOG TIMER Figure 8–2 68
WATCHDOG TIMER CONTROL BITS 69
CRC MEMORY VERIFICATION 69
050396 69/173 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
050396 74/173 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
050396 79/173 80
Change Code 81
External Circuits 81
Tamper Protection 81
SECTION 10: RESET CONDITIONS 82
Reset Sources 82
050396 82/173 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
050396 94/173 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
050396 105/173 106
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
050396 112/173 113
050396 113/173 114
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
050396 120/173 121
050396 121/173 122
050396 122/173 123
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
050396 136/173 137
Xon/Xoff 138
DS5002FP COMMANDS 138
050396 138/173 139
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
050396 144/173 145
050396 146/173 147
REGISTERS 148
SPECIAL BITS 148
050396 149/173 150
MEMORY MAP 151
TIME–OF–DAY ALARM 152
050396 152/173 153
DS1283 RTC INTERRUPTS 154
(DS1215 EXAMPLE) 155
050396 155/173 156
050396 156/173 157
050396 157/173 158
(DS1283 EXAMPLE) 159
050396 159/173 160
050396 160/173 161
050396 161/173 162
050396 162/173 163
SECTION 18: TROUBLESHOOTING 164
UNEXPLAINED DEVICE RESETS 164
WRONG TIME 164
050396 164/173 165
050396 165/173 166
050396 166/173 167
050396 167/173 168
050396 168/173 169
050396 169/173 170
050396 170/173 171
050396 171/173 172
050396 172/173 173
OGRAM BRANCHING 174

Komentáře k této Příručce

Žádné komentáře

Mitsubishi DS5000TK Uživatelská příručka Strana 54

Komentáře k této Příručce

Související produkty a manuály pro Sítě Mitsubishi DS5000TK