ATtiny48 带有4K系统内可编程Flash存储器

Flash (Kbytes)	4
EEPROM (Kbytes)	0.0625
SRAM (Bytes)	256
Max I/O Pins	24/28
F.max (MHz)	12
Vcc (V)	1.8 - 5.5
10-bit A/D Channels	37415
Analog Comparator	Yes
16-bit Timers	1
8-bit Timer	1
Brown Out Detector	Yes
Ext Interrupts	30
Interrupts	20
ISP	Yes
On Chip Oscillator	Yes
PWM Channels	1
Self Program Memory	Yes
SPI	Yes
TWI	Yes
Watchdog	Yes
Pb-Free Packages	MLF (VQFN) 28 MLF (VQFN) 32 PDIP 28 TQFP 32

4K Bytes of In-System Self-Programmable Flash, 64 Bytes In-System Programmable EEPROM, 256 Bytes Internal SRAM. 8-bit timer/counter and 16-bit timer/counter with PWM, 10-bit ADC, SPI-Serial Peripheral Interface. debugWIRE for on-chip-debug. Up to 12 MIPS throughput at 12 MHz. 1.8 - 5.5 V operation.

• 4KB version: ATtiny48
• 8KB version: ATtiny88

The ATtiny48/88 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny48/88 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

ATtiny48 特性

• High Performance, Low Power AVR(R) 8-Bit Microcontroller
• Advanced RISC Architecture
  – 123 Powerful Instructions – Most Single Clock Cycle Execution
  – 32 x 8 General Purpose Working Registers
  – Fully Static Operation
• High Endurance Non-volatile Memory Segments
  – 4K/8K Bytes of In-System Self-Programmable Flash program memory(ATtiny48/88)
  – 64/64 Bytes EEPROM (ATtiny48/88)
  – 256/512 Bytes Internal SRAM (ATtiny48/88)
  – Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
  – Data retention: 20 years at 85°C / 100 years at 25°C
  – Optional Boot Code Section with Indepentent Lock Bits
• In-System Programming by On-chip Boot Program
• True Read-While-Write Operation
  – Programming Lock for Software Security
• Peripheral Features
  – One 8-bit Timer/Counter with Separate Prescaler and Compare Mode
  – One 16-bit Timer/Counter with Prescaler, and Compare and Capture Modes
  – 8-channel 10-bit ADC in 32-lead TQFP and 32-pad QFN/MLF package
  – 6-channel 10-bit ADC in 28-pin PDIP and 28-pad QFN/MLF package
  – Master/Slave SPI Serial Interface
  – Byte-oriented 2-wire Serial Interface (Philips I2C Compatible)
  – Programmable Watchdog Timer with Separate On-chip Oscillator
  – On-chip Analog Comparator
  – Interrupt and Wake-up on Pin Change
• Special Microcontroller Features
  – debugWIRE On-chip Debug System
  – In-System Programmable via SPI Port
  – Power-on Reset and Programmable Brown-out Detection
  – Internal Calibrated Oscillator
  – External and Internal Interrupt Sources
  – Three Sleep Modes: Idle, ADC Noise Reduction and Power-down
• I/O and Packages
  – 28 Programmable I/O Lines in 32-lead TQFP and 32-pad QFN/MLF package
  – 24 Programmable I/O Lines in 28-pin PDIP and 28-pad QFN/MLF package
  – 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF
• Operating Voltage:
  – 1.8 – 5.5V
• Temperature Range:
  – -40°C to +85°C
• Speed Grade:
  – 0 – 2 MHz @ 1.8 – 5.5V
  – 0 – 6 MHz @ 2.7 – 5.5V
  – 0 – 12 MHz @ 4.5 – 5.5V
• Low Power Consumption
  – Active Mode: 1 MHz, 1.8V: 240μA
  – Power-down Mode: 0.1μA at 1.8V

ATtiny48 订购型号

Speed (MHz)	Power Supply	Ordering Code	Package	Operational Range
12	1.8 – 5.5	ATtiny48-AU ATtiny48-MMU ATtiny48-MMH ATtiny48-MU ATtiny48-PU	32A 28M1 28M1 32M1-A 28P3	Industrial (-40°C to 85°C)

ATtiny48 应用技术支持与电子电路设计开发资源下载

1. ATMEL 爱特梅尔AVR 微控制器ATtiny48 数据手册DataSheet 下载. PDF
2. Atmel 爱特梅尔AVR 微控制器简介.PDF
3. 面向新手的AVR开发工具,及基本知识.PDF
4. 使用AVR 定时/计数器的PWM功能设计要点 .PDF
5. AVR指令集（版本：0856G–AVR–07/08）
6. AVR 微控制器汽车应用解决方案 . pdf
7. AVR 微控制器选型指南. pdf
8. ATMEL 爱特梅尔公司全线产品目录. pdf