Rainbow-electronics ATtiny43U Instrukcja Użytkownika Strona 180
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8048B–AVR–03/09
ATtiny43U
16.10 ADC Accuracy Definitions .............................................................................123
16.11 ADC Conversion Result .................................................................................125
16.12 Temperature Measurement ...........................................................................125
16.13 Register Description ......................................................................................126
17 debugWIRE On-chip Debug System .................................................. 131
17.1 Features ........................................................................................................131
17.2 Overview ........................................................................................................131
17.3 Physical Interface ..........................................................................................131
17.4 Software Break Points ...................................................................................132
17.5 Limitations of debugWIRE .............................................................................132
17.6 Register Description ......................................................................................132
18 Self-Programming the Flash ............................................................... 133
18.1 Performing Page Erase by SPM ....................................................................133
18.2 Filling the Temporary Buffer (Page Loading) .................................................133
18.3 Performing a Page Write ...............................................................................134
18.4 Addressing the Flash During Self-Programming ...........................................134
18.5 EEPROM Write Prevents Writing to SPMCSR ..............................................135
18.6 Reading the Fuse and Lock Bits from Software ............................................135
18.7 Preventing Flash Corruption ..........................................................................137
18.8 Programming Time for Flash when Using SPM ............................................137
18.9 Register Description ......................................................................................137
19 Memory Programming ......................................................................... 139
19.1 Program And Data Memory Lock Bits ...........................................................139
19.2 Fuse Bytes .....................................................................................................140
19.3 Device Signature Imprint Table .....................................................................141
19.4 Page Size ......................................................................................................142
19.5 Parallel Programming Parameters, Pin Mapping, and Commands ...............142
19.6 Parallel Programming ....................................................................................144
19.7 Serial Programming .......................................................................................151
20 Electrical Characteristics .................................................................... 155
20.1 Absolute Maximum Ratings* .........................................................................155
20.2 DC Characteristics .........................................................................................155
20.3 Speed Grades ...............................................................................................156
20.4 Clock Characteristics .....................................................................................157
20.5 System and Reset Characteristics ................................................................158
- Features 1
- 4. AVR CPU Core 7
- Initial Value00000000 9
- ATtiny43U 10
- 4.6 Stack Pointer 11
- 5. Memories 15
- 6.3 System Clock Prescaler 27
- 7.1 Sleep Modes 31
- 0 1 ADC Noise Reduction 35
- 1 0 Power-down 35
- 11Reserved 35
- SM1 SM0 Sleep Mode 35
- START MODE 41
- 8.6 Component Selection 43
- 8.11 Register Description 47
- 9.2 Reset Sources 49
- 9.3 Power-on Reset 49
- 9.6 Watchdog Reset 51
- 9.8 Watchdog Timer 51
- 10. Interrupts 57
- 10.3 Register Description 59
- DATA B U S 63
- INSTRUCTIONS 65
- SYNC LATCH 65
- SYSTEM CLK 65
- 11.3 Alternate Port Functions 67
- 12.1 Features 79
- 12.2 Overview 79
- 12.5 Output Compare Unit 81
- DATA BU S 83
- (Toggle) 85
- MAX - 1 MAX BOTTOM BOTTOM + 1 89
- 13.3 Register Description 99
- 14.3 Functional Descriptions 101
- 8048B–AVR–03/09 103
- A B D EC F 105
- 14.4 Alternative USI Usage 107
- 14.5 Register Descriptions 107
- Initial Value 0 0 0 0 0 0 0 0 109
- Bit 7 6 5 4 3 2 1 0 109
- 0x0E (0x2E) 109
- 0x10 (0x30) MSB LSB USIBR 111
- Read/Write R R R R R R R R 111
- 15.2 Register Description 113
- 16.1 Features 115
- 16.2 Overview 115
- 16.7 ADC Noise Canceler 121
- Output Code 123
- 16.11 ADC Conversion Result 125
- 16.12 Temperature Measurement 125
- 17.1 Features 131
- 17.2 Overview 131
- 17.3 Physical Interface 131
- Bit 76543210 135
- Rd ––––––LB2LB1 135
- 18.9 Register Description 137
- 19. Memory Programming 139
- 19.7 Serial Programming 151
- 20.2 DC Characteristics 155
- 20.4 Clock Characteristics 157
- Gain Calibration) 161
- = 5V ± 10% 163
- 21.1 Boost Converter 165
- 22. Register Summary 167
- 23. Instruction Set Summary 169
- 24. Ordering Information 171
- 25.2 20S2 173
- 27.1 Rev. 8048B-03/09 175
- 27.2 Rev. 8048A-02/09 175
- Table of Contents 177
- Headquarters International 182
- Product Contact 182
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