ATTINY13-20MUR Atmel, ATTINY13-20MUR Datasheet - Page 173

• Manufacturer Part Number: ATTINY13-20MUR
• Description: IC MCU AVR 1K FLASH 10MHZ 20MLF
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY13-20MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 6
• Program Memory Size: 1KB (512 x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 64 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-WFQFN, Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Connectivity: -

2535J–AVR–08/10
15 debugWIRE On-chip Debug System .................................................... 95
16 Self-Programming the Flash ................................................................. 97
17 Memory Programming ......................................................................... 102
14.1
14.2
14.3
14.4
14.5
14.6
14.7
14.8
14.9
14.10
14.11
14.12
15.1
15.2
15.3
15.4
15.5
15.6
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
17.1
17.2
17.3
17.4
17.5
Features ..........................................................................................................81
Overview ..........................................................................................................81
Operation .........................................................................................................82
Starting a Conversion ......................................................................................82
Prescaling and Conversion Timing ..................................................................83
Changing Channel or Reference Selection .....................................................86
ADC Noise Canceler .......................................................................................87
Analog Input Circuitry ......................................................................................87
Analog Noise Canceling Techniques ...............................................................88
ADC Accuracy Definitions ...............................................................................88
ADC Conversion Result ...................................................................................91
Register Description ........................................................................................91
Features ..........................................................................................................95
Overview ..........................................................................................................95
Physical Interface ............................................................................................95
Software Break Points .....................................................................................96
Limitations of debugWIRE ...............................................................................96
Register Description ........................................................................................96
Performing Page Erase by SPM ......................................................................97
Filling the Temporary Buffer (Page Loading) ...................................................97
Performing a Page Write .................................................................................98
Addressing the Flash During Self-Programming .............................................98
EEPROM Write Prevents Writing to SPMCSR ................................................99
Reading Fuse and Lock Bits from Firmware ...................................................99
Preventing Flash Corruption ..........................................................................100
Programming Time for Flash when Using SPM ............................................100
Register Description ......................................................................................101
Program And Data Memory Lock Bits ...........................................................102
Fuse Bytes .....................................................................................................103
Calibration Bytes ...........................................................................................104
Signature Bytes .............................................................................................104
Page Size ......................................................................................................104
iii