ATMEGA16-16AC Atmel, ATMEGA16-16AC Datasheet - Page 3
![IC AVR MCU 16K 16MHZ COM 44-TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
ATMEGA16-16AC
Manufacturer Part Number
ATMEGA16-16AC
Description
IC AVR MCU 16K 16MHZ COM 44-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA16-16AC
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Part Number
Manufacturer
Quantity
Price
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Overview
Block Diagram
2466T–AVR–07/10
The ATmega16 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 ATmega16 achieves
throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power con-
sumption versus processing speed.
Figure 2. Block Diagram
VCC
GND
AVCC
AREF
INSTRUCTION
INSTRUCTION
AVR CPU
PROGRAMMING
CONTROL
PROGRAM
PROGRAM
REGISTER
DECODER
COUNTER
FLASH
LINES
PORTA DIGITAL INTERFACE
MUX &
PORTB DIGITAL INTERFACE
PORTA DRIVERS/BUFFERS
PORTB DRIVERS/BUFFERS
LOGIC
ADC
+
-
PA0 - PA7
PB0 - PB7
REGISTERS
INTERFACE
INTERFACE
PURPOSE
REGISTER
GENERAL
POINTER
STATUS
STACK
COMP.
SRAM
ALU
ADC
SPI
X
Y
Z
OSCILLATOR
WATCHDOG
INTERRUPT
COUNTERS
MCU CTRL.
INTERNAL
& TIMING
EEPROM
TIMERS/
USART
PORTC DIGITAL INTERFACE
TIMER
PORTD DIGITAL INTERFACE
PORTC DRIVERS/BUFFERS
PORTD DRIVERS/BUFFERS
UNIT
TWI
PC0 - PC7
PD0 - PD7
OSCILLATOR
OSCILLATOR
CALIBRATED
OSCILLATOR
INTERNAL
ATmega16(L)
XTAL1
XTAL2
RESET
3
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