Rainbow-electronics ATtiny43U Manuale Utente Scaricare il pdf (Pagina 175)

175

8048B–AVR–03/09

27. Datasheet Revision History

27.1 Rev. 8048B-03/09

27.2 Rev. 8048A-02/09

1. Updated Data retention bullet in “Features” on page 1.

1. Initial revision.

1 2 ... 170 171 172 173 174 175 176 177 178 179 180 181 182

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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