ATTINY48-MU Atmel, ATTINY48-MU Datasheet - Page 296

• Manufacturer Part Number: ATTINY48-MU
• Description: MCU AVR 4K ISP FLASH 1.8V 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY48-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 28
• 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: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-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, 8 Channel
• Package: 32QFN EP
• Device Core: AVR
• Family Name: ATtiny
• Maximum Speed: 12 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ii
ATtiny48/88
7
8
9
10 I/O-Ports .................................................................................................. 60
11 8-bit Timer/Counter0 .............................................................................. 80
12 16-bit Timer/Counter1 with PWM .......................................................... 89
Power Management and Sleep Modes ................................................. 36
System Control and Reset .................................................................... 42
Interrupts ................................................................................................ 52
6.5
6.6
7.1
7.2
7.3
7.4
8.1
8.2
8.3
8.4
8.5
9.1
9.2
9.3
10.1
10.2
10.3
10.4
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
12.1
12.2
Clock Startup Sequence ..................................................................................32
Register Description ........................................................................................34
Sleep Modes ....................................................................................................36
Software BOD Disable .....................................................................................37
Minimizing Power Consumption ......................................................................38
Register Description ........................................................................................39
Resetting the AVR ...........................................................................................42
Reset Sources .................................................................................................43
Internal Voltage Reference ..............................................................................45
Watchdog Timer ..............................................................................................46
Register Description ........................................................................................49
Interrupt Vectors ..............................................................................................52
External Interrupts ...........................................................................................53
Register Description ........................................................................................55
Introduction ......................................................................................................60
Ports as General Digital I/O .............................................................................61
Alternate Port Functions ..................................................................................65
Register Description ........................................................................................77
Features ..........................................................................................................80
Overview ..........................................................................................................80
Timer/Counter Clock Sources .........................................................................81
Counter Unit ....................................................................................................81
Output Compare Unit .......................................................................................82
Modes of Operation .........................................................................................83
Timer/Counter Timing Diagrams .....................................................................84
8-bit Timer/Counter Register Description ........................................................85
Features ..........................................................................................................89
Overview ..........................................................................................................89
8008G–AVR–04/11