ATMEGA168-20PU Atmel, ATMEGA168-20PU Datasheet - Page 30

• Manufacturer Part Number: ATMEGA168-20PU
• Description: IC AVR MCU 16K 20MHZ 28DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA168-20PU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• 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 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Processor Series: ATMEGA16x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: 2-Wire, SPI, USART, Serial
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 6 Channel
• A/d Inputs: 6-Channel, 10-Bit
• Cpu Speed: 20 MIPS
• Eeprom Memory: 512 Bytes
• Input Output: 23
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin PDIP
• Programmable Memory: 16K Bytes
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 4.5-5.5 V
• Controller Family/series: AVR MEGA
• No. Of I/o's: 23
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 1KB
• Rohs Compliant: Yes
• For Use With: ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.6
9.7
30
Rev. 2545G-06/06
Rev. 2545F-05/05
ATmega48/88/168
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Table 27-1 on page
Section 3. “Resources” on page 7
Section 7.6 “Calibrated Internal RC Oscillator” on page
“Setting the Boot Loader Lock Bits by SPM” on page
“Signature Bytes” on page 288
“Electrical Characteristics” on page
“Errata” on page
“Calibrated Internal RC Oscillator” on page
“ADC Noise Reduction Mode” on page
“Bit 2 - PRSPI: Power Reduction Serial Peripheral Interface” on page
“TCCR0B – Timer/Counter Control Register B” on page
“Fast PWM Mode” on page
“Asynchronous Operation of Timer/Counter2” on page
“SPI – Serial Peripheral Interface” on page
“UCSRnA – USART MSPIM Control and Status Register n A” on page
“Bit 6 – ACBG: Analog Comparator Bandgap Select” on page
“Prescaling and Conversion Timing” on page
“Limitations of debugWIRE” on page
Figure 14-7 on page
Section 26.8.3 “Serial Programming Instruction set” on page
Section 33. “Errata” on page
Table 13-3 on page
Table 7-12 on page
154,
78.
Table 24-1 on page
Section 27.2 “DC Characteristics ATmega48/88/168*” on page 303
Table 16-6 on page
“Bit Rate Generator Unit” on page
Table 8-2 on page
“Errata ATmega48” on page
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“Analog-to-Digital Converter” on page
“Errata ATmega48” on page
Table 14-3 on page
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Table 13-6 on page
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2545LS–AVR–08/07
Table 16-
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Table
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