ATTINY48-MMHR Atmel, ATTINY48-MMHR Datasheet - Page 295
ATTINY48-MMHR
Manufacturer Part Number
ATTINY48-MMHR
Description
MCU AVR 4KB FLASH 12MHZ 28QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY48-MU.pdf
(302 pages)
Specifications of ATTINY48-MMHR
Core Processor
AVR
Core Size
8-Bit
Speed
12MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
24
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Table of Contents
8008G–AVR–04/11
1
2
3
4
5
6
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 5
General Information ................................................................................. 7
AVR CPU Core .......................................................................................... 8
Memories ................................................................................................ 17
Clock System ......................................................................................... 28
1.1
2.1
2.2
3.1
3.2
3.3
3.4
3.5
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5.1
5.2
5.3
5.4
6.1
6.2
6.3
6.4
Pin Descriptions .................................................................................................3
Block Diagram ...................................................................................................5
Comparison Between ATtiny48 and ATtiny88 ...................................................6
Resources .........................................................................................................7
About Code Examples .......................................................................................7
Capacitive Touch Sensing .................................................................................7
Data Retention ...................................................................................................7
Disclaimer ..........................................................................................................7
Introduction ........................................................................................................8
Architectural Overview .......................................................................................8
ALU – Arithmetic Logic Unit ...............................................................................9
Status Register ..................................................................................................9
General Purpose Register File ........................................................................10
Stack Pointer ...................................................................................................11
Instruction Execution Timing ...........................................................................12
Reset and Interrupt Handling ...........................................................................12
Register Description ........................................................................................15
Program Memory (Flash) .................................................................................17
Data Memory (SRAM) and Register Files .......................................................18
Data Memory (EEPROM) ................................................................................20
Register Description ........................................................................................25
Clock Subsystems ...........................................................................................28
Clock Sources .................................................................................................29
System Clock Prescaler ..................................................................................31
Clock Output Buffer .........................................................................................32
ATtiny48/88
i
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