ATTINY48-MMU Atmel, ATTINY48-MMU Datasheet - Page 295

• Manufacturer Part Number: ATTINY48-MMU
• Description: MCU AVR 5K FLASH 12MHZ 28-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY48-MMU

• 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 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: 2-Wire, I2S, SPI
• Maximum Clock Frequency: 12 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 6 Channel
• Package: 28VQFN EP
• Device Core: AVR
• Family Name: ATtiny
• Maximum Speed: 12 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• For Use With: ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
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