ATMEGA165-16AI Atmel, ATMEGA165-16AI Datasheet - Page 189
ATMEGA165-16AI
Manufacturer Part Number
ATMEGA165-16AI
Description
IC AVR MCU 16K 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA165-16AI
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Analog to Digital
Converter
Features
2573G–AVR–07/09
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The ATmega165 features a 10-bit successive approximation ADC. The ADC is con-
nected to an 8-channel Analog Multiplexer which allows eight single-ended voltage
inputs constructed from the pins of Port F. The single-ended voltage inputs refer to 0V
(GND).
The ADC contains a Sample and Hold circuit which ensures that the input voltage to the
ADC is held at a constant level during conversion. A block diagram of the ADC is shown
in Figure 83.
The ADC has a separate analog supply voltage pin, AVCC. AVCC must not differ more
than ± 0.3V from V
connect this pin.
Internal reference voltages of nominally 1.1V or AVCC are provided On-chip. The volt-
age reference may be externally decoupled at the AREF pin by a capacitor for better
noise performance.
The Power Reduction ADC bit, PRADC, in “Power Reduction Register - PRR” on page
34 must be written to zero to enable the ADC module.
10-bit Resolution
0.5 LSB Integral Non-linearity
± 2 LSB Absolute Accuracy
13 µs - 260 µs Conversion Time (50 kHz to 1 MHz ADC clock)
Up to 15 kSPS at Maximum Resolution (200 kHz ADC clock)
Eight Multiplexed Single Ended Input Channels
Optional Left Adjustment for ADC Result Readout
0 - V
Selectable 1.1V ADC Reference Voltage
Free Running or Single Conversion Mode
ADC Start Conversion by Auto Triggering on Interrupt Sources
Interrupt on ADC Conversion Complete
Sleep Mode Noise Canceler
CC
ADC Input Voltage Range
CC
. See the paragraph “ADC Noise Canceler” on page 196 on how to
ATmega165/V
189
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