Name: Atmel ATtiny13A
Brand: Atmel
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8126F–AVR–05/12

ATtiny13A

10.4.4 PINB – Port B Input Pins Address

Bit 76543210

0x16 – – PINB5 PINB4 PINB3 PINB2 PINB1 PINB0 PINB

Read/Write R R R/W R/W R/W R/W R/W R/W

Initial Value 0 0 N/A N/A N/A N/A N/A N/A

Default Chapter1
- Features1
1 Pin Configurations2
- Pin Description3
2 Overview4
- Block Diagram4
3 About6
- Resources6
- Code Examples6
- Data Retention6
4 CPU Core7
- Architectural Overview7
- ALU - Arithmetic Logic Unit8
- Status Register8
- General Purpose Register File10
- Stack Pointer11
- Instruction Execution Timing12
- Reset and Interrupt Handling12
5 Memories15
- In-System Reprogrammable Flash Program Memory15
- SRAM Data Memory15
- EEPROM Data Memory16
- I/O Memory20
- Register Description20
6 System Clock and Clock Options23
- Clock Systems and Their Distribution23
- Clock Sources24
- System Clock Prescaler26
- Register Description27
7 Power Management and Sleep Modes30
- Sleep Modes30
- Software BOD Disable31
- Power Reduction Register31
- Minimizing Power Consumption32
- Register Description33
8 System Control and Reset35
- Resetting the AVR35
- Reset Sources36
- Internal Voltage Reference38
- Watchdog Timer38
- Register Description42
9 Interrupts45
- Interrupt Vectors45
- External Interrupts46
- Register Description47
10 O Ports49
- Overview49
- Ports as General Digital I/O50
- Alternate Port Functions54
- Register Description57
11 8-Bit Timer/Counter0 with PWM59
- Features59
- Overview59
- Timer/Counter Clock Sources60
- Counter Unit60
- Output Compare Unit61
- Compare Match Output Unit63
- Modes of Operation64
- Timer/Counter Timing Diagrams68
- Register Description70
12 Timer/Counter Prescaler77
- Overview77
- Prescaler Reset77
- External Clock Source77
- Register Description78
13 Analog Comparator79
- Analog Comparator Multiplexed Input79
- Register Description80
14 Analog to Digital Converter82
- Features82
- Overview82
- Operation83
- Starting a Conversion83
- Prescaling and Conversion Timing84
- Changing Channel or Reference Selection87
- ADC Noise Canceler88
- Analog Input Circuitry88
- Analog Noise Canceling Techniques89
- ADC Accuracy Definitions89
- ADC Conversion Result92
- Register Description92
15 Debugwire On-Chip Debug System96
- Features96
- Overview96
- Physical Interface96
- Software Break Points97
- Limitations of Debugwire97
- Register Description97
16 Self-Programming the Flash98
- Performing Page Erase by SPM98
- Filling the Temporary Buffer98
- Performing a99
- Addressing the Flash During Self-Programming99
- EEPROM Write Prevents Writing to SPMCSR100
- Reading Fuse and Lock Bits from Firmware100
- Preventing Flash Corruption101
- Programming Time for Flash When Using SPM101
- Register Description102
17 Memory Programming103
- Program and Data Memory Lock Bits103
- Fuse Bytes104
- Calibration Bytes105
- Signature Bytes105
- Page Size105
- Serial Programming106
- High-Voltage Serial Programming109
- Considerations for Efficient Programming113
18 Electrical Characteristics117
- Absolute Maximum Ratings117
- DC Characteristics117
- Speed118
- Clock Characteristics119
- System and Reset Characteristics120
- Analog Comparator Characteristics121
- ADC Characteristics121
- Serial Programming Characteristics122
- High-Voltage Serial Programming Characteristics123
19 Typical Characteristics124
- Supply Current of I/O Modules124
- Current Consumption in Active Mode125
- Current Consumption in Idle Mode128
- Current Consumption in Power-Down Mode131
- Current Consumption in Reset132
- Current Consumption of Peripheral Units133
- Pull-Up Resistors135
- Output Driver Strength (Low Power Pins)138
- Output Driver Strength (Regular Pins)141
- Input Thresholds and Hysteresis (for I/O Ports)147
- BOD, Bandgap and Reset150
- Internal Oscillator Speed154
20 Register Summary158
21 Instruction Set Summary160
22 Ordering Information162
23 Packaging Information163

Brand	Atmel
Model	ATtiny13A
Category	Microcontrollers
Language	English

Atmel ATtiny13A User Manual

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