ATmega3250 Atmel Corporation, ATmega3250 Datasheet

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ATmega3250

Manufacturer Part Number
ATmega3250
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega3250

Flash (kbytes)
32 Kbytes
Pin Count
100
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
25
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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Features
High Performance, Low Power Atmel
Advanced RISC Architecture
High Endurance Non-volatile Memory Segments
Atmel
JTAG (IEEE std. 1149.1 compliant) Interface
Peripheral Features
Special Microcontroller Features
I/O and Packages
Speed Grade:
Temperature range:
Ultra-Low Power Consumption
– 130 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 16MIPS Throughput at 16MHz
– On-Chip 2-cycle Multiplier
– In-System Self-programmable Flash Program Memory
– EEPROM
– Internal SRAM
– 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 Independent Lock Bits
– Programming Lock for Software Security
– Capacitive touch buttons, sliders and wheels
– QTouch and QMatrix
– Up to 64 sense channels
– Boundary-scan Capabilities According to the JTAG Standard
– Extensive On-chip Debug Support
– Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
– Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture
– Real Time Counter with Separate Oscillator
– Four PWM Channels
– 8-channel, 10-bit ADC
– Programmable Serial USART
– Master/Slave SPI Serial Interface
– Universal Serial Interface with Start Condition Detector
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
– Interrupt and Wake-up on Pin Change
– Power-on Reset and Programmable Brown-out Detection
– Internal Calibrated Oscillator
– External and Internal Interrupt Sources
– Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and
– 53/68 Programmable I/O Lines
– 64-lead TQFP, 64-pad QFN/MLF, and 100-lead TQFP
– ATmega325V/ATmega3250V/ATmega645V/ATmega6450V:
– Atmel ATmega325/3250/645/6450:
– -40°C to 85°C IndustrSial
– Active Mode:
– Power-down Mode:
Mode
Standby
®
• 32KBytes (ATmega325/ATmega3250)
• 64KBytes (ATmega645/ATmega6450)
• 1Kbytes (ATmega325/ATmega3250)
• 2Kbytes (ATmega645/ATmega6450)
• 2Kbytes (ATmega325/ATmega3250)
• 4Kbytes (ATmega645/ATmega6450)
• In-System Programming by On-chip Boot Program
• True Read-While-Write Operation
• 0 - 4MHz @ 1.8 - 5.5V; 0 - 8MHz @ 2.7 - 5.5V
• 0 - 8MHz @ 2.7 - 5.5V; 0 - 16MHz @ 4.5 - 5.5V
1MHz, 1.8V: 350µA
32kHz, 1.8V: 20µA (including Oscillator)
100 nA at 1.8V
QTouch
®
library support
®
acquisition
®
AVR
®
8-Bit Microcontroller
(1)
8-bit Atmel
Microcontroller
with In-System
Programmable
Flash
ATmega325/V
ATmega3250/V
ATmega645/V
ATmega6450/V
Summary
2570NS–AVR–05/11

Related parts for ATmega3250

ATmega3250 Summary of contents

Page 1

... Fully Static Operation – 16MIPS Throughput at 16MHz – On-Chip 2-cycle Multiplier • High Endurance Non-volatile Memory Segments – In-System Self-programmable Flash Program Memory • 32KBytes (ATmega325/ATmega3250) • 64KBytes (ATmega645/ATmega6450) – EEPROM • 1Kbytes (ATmega325/ATmega3250) • 2Kbytes (ATmega645/ATmega6450) – Internal SRAM • ...

Page 2

... Pin Configurations Figure 1-1. Pinout ATmega3250/6450 1 DNC 2 (RXD/PCINT0) PE0 3 (TXD/PCINT1) PE1 4 (XCK/AIN0/PCINT2) PE2 5 (AIN1/PCINT3) PE3 (USCK/SCL/PCINT4) PE4 6 7 (DI/SDA/PCINT5) PE5 8 (DO/PCINT6) PE6 9 (CLKO/PCINT7) PE7 10 VCC 11 GND 12 DNC 13 (PCINT24) PJ0 (PCINT25) PJ1 14 15 DNC 16 DNC 17 DNC 18 DNC 19 (SS/PCINT8) PB0 20 (SCK/PCINT9) PB1 21 (MOSI/PCINT10) PB2 ...

Page 3

Figure 1-2. Pinout ATmega325/645 DNC 1 (RXD/PCINT0) PE0 2 (TXD/PCINT1) PE1 3 (XCK/AIN0/PCINT2) PE2 4 (AIN1/PCINT3) PE3 5 (USCK/SCL/PCINT4) PE4 6 (DI/SDA/PCINT5) PE5 7 (DO/PCINT6) PE6 8 (CLKO/PCINT7) PE7 9 (SS/PCINT8) PB0 10 (SCK/PCINT9) PB1 11 (MOSI/PCINT10) PB2 12 (MISO/PCINT11) ...

Page 4

Overview The Atmel ATmega325/3250/645/6450 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 Atmel ATmega325/3250/645/6450 achieves throughputs approaching 1 MIPS per MHz allowing the system ...

Page 5

CISC microcontrollers. The Atmel ATmega325/3250/645/6450 provides the following features: 32/64K bytes of In-Sys- tem Programmable Flash with Read-While-Write capabilities, 1/2K bytes EEPROM, 2/4K byte ...

Page 6

... Comparison between ATmega325, ATmega3250, ATmega645 and ATmega6450 The ATmega325, ATmega3250, ATmega645, and ATmega6450 differ only in memory sizes, pin count and pinout. devices. Table 2-1. Device ATmega325 ATmega3250 ATmega645 ATmega6450 2.3 Pin Descriptions The following section describes the I/O-pin special functions. 2.3 Digital supply voltage. ...

Page 7

... As inputs, Port H pins that are externally pulled low will source current if the pull-up resistors are activated. The Port H pins are tri-stated when a reset condition becomes active, even if the clock is not running. Port H also serves the functions of various special features of the ATmega3250/6450 as listed on page 2570NS– ...

Page 8

... As inputs, Port J pins that are externally pulled low will source current if the pull-up resistors are activated. The Port J pins are tri-stated when a reset condition becomes active, even if the clock is not running. Port J also serves the functions of various special features of the ATmega3250/6450 as listed on page 72. ...

Page 9

Resources A comprehensive set of development tools, application notes and datasheets are available for download on http://www.atmel.com/avr. Note: 4. Data Retention Reliability Qualification results show that the projected data retention failure rate is much less than 1 PPM over ...

Page 10

... Reserved - (0xCC) Reserved - (0xCB) Reserved - (0xCA) Reserved - (0xC9) Reserved - (0xC8) Reserved - (0xC7) UDR0 (0xC6) UBRR0H (0xC5) UBRR0L (0xC4) 2570NS–AVR–05/11 Registers with bold type only available in ATmega3250/6450. Bit 6 Bit 5 Bit ...

Page 11

Address Name Bit 7 Reserved - (0xC3) UCSR0C - (0xC2) UCSR0B RXCIE0 (0xC1) UCSR0A RXC0 (0xC0) Reserved - (0xBF) Reserved - (0xBE) Reserved - (0xBD) Reserved - (0xBC) Reserved - (0xBB) USIDR (0xBA) USISR USISIF (0xB9) USICR USISIE (0xB8) Reserved ...

Page 12

Address Name Bit 7 TCNT1L (0x84) Reserved - (0x83) TCCR1C FOC1A (0x82) TCCR1B ICNC1 (0x81) TCCR1A COM1A1 (0x80) DIDR1 - (0x7F) DIDR0 ADC7D (0x7E) Reserved - (0x7D) ADMUX REFS1 (0x7C) ADCSRB - (0x7B) ADCSRA ADEN (0x7A) ADCH (0x79) ADCL (0x78) ...

Page 13

Address Name Bit 7 Reserved - 0x25 (0x45) TCCR0A FOC0A 0x24 (0x44) GTCCR TSM 0x23 (0x43) EEARH - 0x22 (0x42) EEARL 0x21 (0x41) EEDR 0x20 (0x40) EECR - 0x1F (0x3F) GPIOR0 0x1E (0x3E) EIMSK PCIE3 0x1D (0x3D) EIFR PCIF3 0x1C ...

Page 14

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 15

Mnemonics Operands BRTC k Branch if T Flag Cleared BRVS k Branch if Overflow Flag is Set BRVC k Branch if Overflow Flag is Cleared BRIE k Branch if Interrupt Enabled BRID k Branch if Interrupt Disabled BIT AND BIT-TEST ...

Page 16

Mnemonics Operands IN Rd Port OUT P, Rr Out Port PUSH Rr Push Register on Stack POP Rd Pop Register from Stack MCU CONTROL INSTRUCTIONS NOP No Operation SLEEP Sleep WDR Watchdog Reset BREAK Break 2570NS–AVR–05/11 ATmega325/3250/645/6450 Description ...

Page 17

Ordering Information 9.1 ATmega325 (3) Speed (MHz) Power Supply 8 1.8 - 5.5V 16 2.7 - 5.5V Notes: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information ...

Page 18

... Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP) 2570NS–AVR–05/11 ATmega325/3250/645/6450 (2) Ordering Code Package Type ATmega3250V-8AU 100A (4) ATmega3250V-8AUR 100A ATmega3250-16AU 100A (4) ATmega3250-16AUR 100A and Figure 28-2 on page 299. Package Type (1) Operational Range Industrial 0°C to 85°C) (-4 18 ...

Page 19

ATmega645 (3) Speed (MHz) Power Supply 8 1.8 - 5.5V 16 2.7 - 5.5V Notes: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. ...

Page 20

ATmega6450 (3) Speed (MHz) Power Supply 8 1.8 - 5.5V 16 2.7 - 5.5V Notes: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. ...

Page 21

Packaging Information 10.1 64A PIN 0°~7° Notes: 1.This package conforms to JEDEC reference MS-026, Variation AEB. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is 0.25 mm per side. Dimensions D1 and ...

Page 22

Marked Pin TOP VIEW BOTTOM VIEW Notes: 1. JEDEC Standard MO-220, (SAW Singulation) Fig. 1, VMMD. 2. Dimension and tolerance conform to ASMEY14.5M-1994. 2325 Orchard Parkway San Jose, CA 95131 R ...

Page 23

PIN 0°~7° L Notes: 1. This package conforms to JEDEC reference MS-026, Variation AED. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is 0.25 mm per side. Dimensions D1 and E1 ...

Page 24

... Timer Control Register (TCCRx), asynchronous Timer Counter Register (TCNTx), or asynchronous Output Compare Register (OCRx). 11.2 Errata ATmega3250 The revision letter in this section refers to the revision of the ATmega3250 device. 11.2.1 ATmega3250 Rev. C • Interrupts may be lost when writing the timer registers in the asynchronous timer 1 ...

Page 25

... ATmega3250 Rev. A • Interrupts may be lost when writing the timer registers in the asynchronous timer 1. Interrupts may be lost when writing the timer registers in the asynchronous timer The interrupt will be lost if a timer register that is synchronous timer clock is written when the asynchronous Timer/Counter register (TCNTx) is 0x00. ...

Page 26

Datasheet Revision History Please note that the referring page numbers in this section are referring to this document. The referring revision in this section are referring to the document revision. 12.1 Rev. 2570N – 05/ 12.2 Rev. ...

Page 27

Rev. 2570I – 07/ 12.7 Rev. 2570H – 06/ 12.8 Rev. 2570G – 04/06 1. 12.9 Rev. 2570F – 03/06 1. 12.10 Rev. 2570E – 03/ ...

Page 28

Rev. 2570D – 05/ 12.12 Rev. 2570C – 11/ 12.13 Rev. 2570B – 09/04 1. 12.14 Rev. 2570A – 09/04 1. 2570NS–AVR–05/11 ...

Page 29

... Atmel , Atmel logo and combinations thereof, AVR marks of Atmel Corporation or its subsidiaries. Windows other countries. Other terms and product names may be trademarks of others. Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN THE ATMEL ...

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