ATMEGA162-16MC Atmel, ATMEGA162-16MC Datasheet - Page 283

• Manufacturer Part Number: ATMEGA162-16MC
• Description: IC MCU AVR 16K 5V 16MHZ 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA162-16MC

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-VQFN Exposed Pad
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

Table of Contents
2513C–AVR–09/02
Features................................................................................................. 1
Pin Configurations................................................................................ 2
Overview................................................................................................ 3
AVR CPU Core ...................................................................................... 7
AVR ATmega162 Memories ............................................................... 15
System Clock and Clock Options ..................................................... 33
Power Management and Sleep Modes.............................................. 41
Disclaimer ............................................................................................................. 2
Block Diagram ...................................................................................................... 3
ATmega161 and ATmega162 Compatibility ......................................................... 4
Pin Descriptions.................................................................................................... 5
About Code Examples .......................................................................................... 6
Introduction ........................................................................................................... 7
Architectural Overview.......................................................................................... 7
ALU – Arithmetic Logic Unit.................................................................................. 8
Status Register ..................................................................................................... 8
General Purpose Register File ........................................................................... 10
Stack Pointer ...................................................................................................... 11
Instruction Execution Timing............................................................................... 12
Reset and Interrupt Handling.............................................................................. 12
In-System Reprogrammable Flash Program Memory ........................................ 15
SRAM Data Memory........................................................................................... 16
EEPROM Data Memory...................................................................................... 18
I/O Memory ......................................................................................................... 23
External Memory Interface.................................................................................. 24
XMEM Register Description................................................................................ 28
Clock Systems and their Distribution .................................................................. 33
Clock Sources..................................................................................................... 34
Default Clock Source .......................................................................................... 34
Crystal Oscillator................................................................................................. 34
Low-frequency Crystal Oscillator ........................................................................ 36
Calibrated Internal RC Oscillator ........................................................................ 37
External Clock..................................................................................................... 38
Clock output buffer.............................................................................................. 39
Timer/Counter Oscillator..................................................................................... 39
System Clock Prescaler...................................................................................... 39
Idle Mode ............................................................................................................ 42
Power-down Mode.............................................................................................. 42
Power-save Mode............................................................................................... 43
Standby Mode..................................................................................................... 43
ATmega162(V/U/L)
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