ATtiny43U Atmel Corporation, ATtiny43U Datasheet

ATtiny43U

Manufacturer Part Number

ATtiny43U

Description

Manufacturer

Atmel Corporation

Datasheets

1.ATTINY43U.pdf (182 pages)

2.ATTINY43U.pdf (16 pages)

Specifications of ATtiny43U

Flash (kbytes)

4 Kbytes

Pin Count

Max. Operating Frequency

8 MHz

Cpu

8-bit AVR

# Of Touch Channels

Hardware Qtouch Acquisition

Max I/o Pins

Ext Interrupts

Usb Speed

Usb Interface

Spi

Twi (i2c)

Graphic Lcd

Video Decoder

Camera Interface

Adc Channels

Adc Resolution (bits)

Adc Speed (ksps)

Analog Comparators

Resistive Touch Screen

Temp. Sensor

Yes

Crypto Engine

Sram (kbytes)

0.25

Eeprom (bytes)

Self Program Memory

YES

Dram Memory

Nand Interface

Picopower

Yes

Temp. Range (deg C)

-40 to 85

I/o Supply Class

0.7 to 5.5

Operating Voltage (vcc)

0.7 to 5.5

Fpu

Mpu / Mmu

no / no

Timers

Output Compare Channels

Pwm Channels

32khz Rtc

Calibrated Rc Oscillator

Yes

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Features

•

Note:

High Performance, Low Power AVR

Advanced RISC Architecture

Non-Volatile Program and Data Memories

Peripheral Features

Special Microcontroller Features

I/O and Packages

Operating Voltage:

Speed Grade

Low Power Consumption

– 120 Powerful Instructions – Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– 4K Bytes of In-System Programmable Program Memory Flash

– 64 Bytes of In-System Programmable EEPROM

– 256 Bytes of Internal SRAM

– Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM

– Data retention: 20 years at 85°C/ 100 years at 85°C

– Programming Lock for Software Security

– Two 8-Bit Timer/Counters with two PWM Channels, Each

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-Chip Analog Comparator

– 10-bit ADC

– Universal Serial Interface

– Boost Converter

– debugWIRE On-chip Debug System

– In-System Programmable via SPI Port

– External and Internal Interrupt Sources

– Pin Change Interrupt on 16 Pins

– Low Power Idle, ADC Noise Reduction and Power-Down Modes

– Enhanced Power-On Reset Circuit

– Programmable Brown-Out Detection Circuit

– Internal Calibrated Oscillator

– Temperature Sensor On Chip

– Available in 20-Pin SOIC and 20-Pin QFN/MLF

– 16 Programmable I/O Lines

– 0.7 – 1.8V (via On-Chip Boost Converter)

– 1.8 – 5.5V (Boost Converter Bypassed)

– Using On-Chip Boost Converter

– External Power Supply

– Active Mode, 1 MHz System Clock (Without Boost Converter)

– Power-Down Mode (Without Boost Converter)

1. See

4 Single-Ended Channels

0 – 4 MHz

0 – 4 MHz @ 1.8 – 5.5V

0 – 8 MHz @ 2.7 – 5.5V

400 µA @ 3V

150 nA @ 3V

“Data Retention” on page 6

8-Bit Microcontroller

for details.

(1)

8-bit

Microcontroller

with 4K Bytes

In-System

Programmable

Flash and Boost

Converter

ATtiny43U

Preliminary

Summary

Rev. 8048BS–AVR–03/09

Related parts for ATtiny43U

ATtiny43U Summary of contents

Page 1

... Active Mode, 1 MHz System Clock (Without Boost Converter) 400 µ – Power-Down Mode (Without Boost Converter) 150 Note: 1. See “Data Retention” on page 6 ® 8-Bit Microcontroller (1) for details. 8-bit Microcontroller with 4K Bytes In-System Programmable Flash and Boost Converter ATtiny43U Preliminary Summary Rev. 8048BS–AVR–03/09 ...

Page 2

... Pin Configurations Figure 1-1. Pinout of ATtiny43U (T1/CLKO/PCINT11) PB (DI/OC1A/PCINT12) (DO/OC1B/PCINT13) (USCK/SCL/PCINT14) 1.1 Pin Descriptions 1.1 Supply voltage. 1.1.2 GND Ground. 1.1.3 Port A (PA7:PA0) Port 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port A output buffers have symmetrical drive characteristics with both high sink and source ...

Page 3

PA7 which has the RESET capability. To use pin PA7 as an I/O pin, instead of RESET pin, program (‘0’) RSTDISBL fuse. As inputs, Port A pins that are externally pulled low will source current if the pull-up ...

Page 4

... Overview The ATtiny43U 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 ATtiny43U achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power con- sumption versus processing speed. Figure 2-1. ...

Page 5

... On-chip ISP Flash allows the Program memory to be re-programmed In-System through an SPI serial interface conventional non-volatile memory programmer On-chip boot code running on the AVR core. The ATtiny43U AVR is supported by a full suite of program and system development tools including: C Compilers, Macro Assemblers, Program Debugger/Simulators, In-Circuit Emulators, and Evaluation kits. ...

Page 6

... PPM over 20 years at 85°C or 100 years at 25°C. 3.4 Disclaimer Typical values contained in this data sheet are based on simulations and characterization of other AVR microcontrollers manufactured on the same process technology. Min and Max val- ues will be available after the device is characterized. ATtiny43U 6 8048BS–AVR–03/09 ...

Page 7

Register Summary Address Name Bit 7 0x3F (0x5F) SREG I – 0x3E (0x5E) SPH 0x3D (0x5D) SPL SP7 0x3C (0x5C) OCR0B 0x3B (0x5B) GIMSK – 0x3A (0x5A) GIFR – 0x39 (0x59) TIMSK0 – 0x38 (0x58) TIFR0 – 0x37 (0x57) ...

Page 8

... Some of the Status Flags are cleared by writing a logical one to them. Note that, unlike most other AVRs, the CBI and SBI instructions will only operation the specified bit, and can therefore be used on registers containing such Status Flags. The CBI and SBI instructions work with registers 0x00 to 0x1F only. ATtiny43U 8 8048BS–AVR–03/09 ...

Page 9

Instruction Set Summary Mnemonics Operands ARITHMETIC AND LOGIC INSTRUCTIONS ADD Rd, Rr Add two Registers ADC Rd, Rr Add with Carry two Registers ADIW Rdl,K Add Immediate to Word SUB Rd, Rr Subtract two Registers SUBI Rd, K Subtract ...

Page 10

... Push Register on Stack POP Rd Pop Register from Stack MCU CONTROL INSTRUCTIONS NOP No Operation SLEEP Sleep WDR Watchdog Reset BREAK Break ATtiny43U 10 Description Rd(7)←C,Rd(n)← Rd(n+1),C←Rd(0) Rd(n) ← Rd(n+1), n=0..6 Rd(3..0)←Rd(7..4),Rd(7..4)←Rd(3..0) SREG(s) ← 1 SREG(s) ← ← Rr(b) Rd(b) ← ← ← ← ← ...

Page 11

... Body, Quad Flat No-Lead/Micro Lead Frame Package (QFN/MLF) 20S2 20-lead, 0.300" Wide Body, Plastic Gull Wing Small Outline Package (SOIC) 8048BS–AVR–03/09 (1) Ordering Code ATtiny43U-MU (3) ATtiny43U-SU “Characteristics of Boost Converter -20°C ... +85°C, unless other- for more information. Package Type (2) Package Operational Range 20M1 ...

Page 12

... D2 Pin #1 Notch (0. BOTTOM VIEW Reference JEDEC Standard MO-220, Fig. 1 (SAW Singulation) WGGD-5. Note: 2325 Orchard Parkway San Jose, CA 95131 R ATtiny43U TITLE 20M1, 20-pad 0.8 mm Body, Lead Pitch 0.50 mm, 2.6 mm Exposed Pad, Micro Lead Frame Package (MLF) ...

Page 13

7.2 20S2 8048BS–AVR–03/09 13 ...

Page 14

... Errata The revision letter in this section refers to the revision of the ATtiny43U device. 8.1 ATtiny43U 8.1.1 Rev. C • Increased Probability of Boost Converter Entering Active Low Current Mode 1. Increased Probability of Boost Converter Entering Active Low Current Mode The boost converter may enter and stay in Active Low Current Mode at supply voltages and load currents higher than those specified ...

Page 15

Datasheet Revision History 9.1 Rev. 8048B-03/09 1. 9.2 Rev. 8048A-02/09 1. 8048BS–AVR–03/09 Updated Data retention bullet in “Features” on page Initial revision ...

Page 16

... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. © 2009 Atmel Corporation. All rights reserved. Atmel Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. International Atmel Asia Atmel Europe Unit 1-5 & ...

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