ATMEGA164P-20AU Atmel, ATMEGA164P-20AU Datasheet - Page 80

• Manufacturer Part Number: ATMEGA164P-20AU
• Description: IC MCU AVR 16K FLASH 44-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA164P-20AU

• 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: 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Package: 44TQFP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 32
• Interface Type: JTAG/TWI/SPI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Processor Series: ATMEGA16x
• Core: AVR8
• Data Ram Size: 1 KB
• Maximum Clock Frequency: 20 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• For Use With: ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

11.3.1
8011O–AVR–07/10
Alternate Functions of Port A
The Port A pins with alternate functions are shown in
Table 11-3.
• ADC7:0/PCINT7:0 – Port A, Bit 7:0
ADC7:0, Analog to Digital Converter, Channels 7:0
PCINT7:0, Pin Change Interrupt source 7:0: The PA7:0 pins can serve as external interrupt
sources.
Port Pin
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Port A Pins Alternate Functions
Alternate Function
ADC7 (ADC input channel 7)
PCINT7 (Pin Change Interrupt 7)
ADC6 (ADC input channel 6)
PCINT6 (Pin Change Interrupt 6)
ADC5 (ADC input channel 5)
PCINT5 (Pin Change Interrupt 5)
ADC4 (ADC input channel 4)
PCINT4 (Pin Change Interrupt 4)
ADC3 (ADC input channel 3)
PCINT3 (Pin Change Interrupt 3)
ADC2 (ADC input channel 2)
PCINT2 (Pin Change Interrupt 2)
ADC1 (ADC input channel 1)
PCINT1 (Pin Change Interrupt 1)
ADC0 (ADC input channel 0)
PCINT0 (Pin Change Interrupt 0)
ATmega164P/324P/644P
.
Table
11-3.
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