Atmel ATmega324PA - Manual
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Table of Contents:
- Page 2 – Pin Configurations; Pinout
- Page 5 – Overview; Block Diagram
- Page 7 – Pin Descriptions; VCC; Digital supply voltage.; Port A serves as analog inputs to the Analog-to-digital Converter.
- Page 8 – RESET; ”System and Reset; AVCC; , even if the ADC is not used. If the ADC is used, it should be connected; AREF; Resources
- Page 9 – Register Summary
- Page 12 – should never be written.
- Page 13 – Instruction Set Summary; Mnemonics
- Page 16 – Ordering Information; and minimum quantities.; see; Power Supply; Industrial; Package Type
- Page 17 – Packaging Information; TITLE; PIN 1 IDENTIFIER
- Page 18 – PIN; eB
- Page 19 – ck; asu
- Page 20 – eT; IDE VIEW; Pin 1 ID; TOP VIEW; as
- Page 21 – ba; A1 BALL ID
- Page 22 – Errata
- Page 23 – Datasheet Revision History; – New graphics in; – New
- Page 24 – © 2008 Atmel Corporation. All rights reserved. Atmel
Features
•
High-performance, Low-power AVR
®
8-bit Microcontroller
•
Advanced RISC Architecture
– 131 Powerful Instructions – Most Single-clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 20 MIPS Throughput at 20 MHz
– On-chip 2-cycle Multiplier
•
High Endurance Non-volatile Memory segments
– 32K Bytes of In-System Self-programmable Flash program memory
– 1K Bytes EEPROM
– 2K Bytes Internal SRAM
– Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM
– Data retention: 20 years at 85
°
C/ 100 years at 25
°
C
(1)
– Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
– Programming Lock for Software Security
•
JTAG (IEEE std. 1149.1 Compliant) Interface
– 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
•
Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
– Real Time Counter with Separate Oscillator
– Six PWM Channels
– 8-channel, 10-bit ADC
Differential mode with selectable gain at 1x, 10x or 200x
– Byte-oriented Two-wire Serial Interface
– Two Programmable Serial USART
– Master/Slave SPI Serial Interface
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
– Interrupt and Wake-up on Pin Change
•
Special Microcontroller Features
– Power-on Reset and Programmable Brown-out Detection
– Internal Calibrated RC Oscillator
– External and Internal Interrupt Sources
– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby and
Extended Standby
•
I/O and Packages
– 32 Programmable I/O Lines
– 40-pin PDIP, 44-lead TQFP, 44-pad VQFN/QFN/MLF
– 44-pad DRQFN
– 49-ball VFBGA
•
Operating Voltages
– 1.8 - 5.5V
•
Speed Grades
– 0 - 20MHz @ 1.8 - 5.5V
•
Power Consumption at 1 MHz, 1.8V, 25
°
C
– Active: 0.4 mA
– Power-down Mode: 0.1µA
– Power-save Mode: 0.6µA (Including 32 kHz RTC)
8-bit
Microcontroller
with 32K Bytes
In-System
Programmable
Flash
ATmega324PA
Summary
8152AS–AVR–11/08
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Summary
2 8152AS–AVR–11/08 ATmega324PA 1. Pin Configurations 1.1 Pinout - PDIP/TQFP/VQFN/QFN/MLF Figure 1-1. Pinout Note: The large center pad underneath the VQFN/QFN/MLF package should be soldered to ground on the board to ensure good mechanical stability. (PCINT8/XCK0/T0) PB0 (PCINT9/CLKO/T1) PB1 (PCINT10...
5 8152AS–AVR–11/08 ATmega324PA 2. Overview The ATmega324PA is a low-power CMOS 8-bit microcontroller based on the AVR enhancedRISC architecture. By executing powerful instructions in a single clock cycle, the ATmega324PAachieves throughputs approaching 1 MIPS per MHz allowing the system designer to ...
7 8152AS–AVR–11/08 ATmega324PA 2.2 Pin Descriptions 2.2.1 VCC Digital supply voltage. 2.2.2 GND Ground. 2.2.3 Port A (PA7:PA0) Port A serves as analog inputs to the Analog-to-digital Converter. Port A also serves as an 8-bit bi-directional I/O port with internal pull-up resistors (selected foreach b...
