ATMEGA164P-20AU Atmel, ATMEGA164P-20AU Datasheet - Page 25

• 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

9.8
9.9
9.10
9.11
8011OS–AVR–07/10
Rev. 8011H- 04/08
Rev. 8011G- 08/07
Rev. 8011F- 04/07
Rev. 8011E - 04/07
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Added 44-pad DRQFN pinout for ATmega164P in
Added 49-ball VFBGA pinout for ATmega164P/324P in
Added note to
Updated ATmega164P
Added 44-lead QFN (44MC) to
Added 49-ball VFBGA (49C2) to
Updated
Added
Updated
LCD reference removed from table note in
Updated code example in
Removed reference to External Memory Interface in
page
Updated
Updated
Updated overview in
Added
Updated
356
Updated notes in
and
Updated
Table 13-11 on page
on page 328,Table 27-5 on page
page 337
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acteristics” on page
Updated
Updated
Updated
Updated
Table 8-11 on page
81.
”Data Retention” on page
”ATmega644P Typical Characteristic” on page
”Features” on page 1
”SPH and SPL – Stack Pointer High and Stack pointer Low” on page
”Data Reception – The USART Receiver” on page
”ADCSRB – ADC Control and Status Register B” on page
”ATmega324P DC Characteristics” on page 328
Table 27-7 on page 332
”Watchdog Timer Configuration” on page
”GTCCR – General Timer/Counter Control Register” on page
”EECR – The EEPROM Control Register” on page
Figure 28-31 on page
Table 13-7 on page
”Address Match Unit” on page
Table 8-3 on page 33.Table 8-8 on page
329.
”ADC - Analog-to-digital Converter” on page
88,
”Ordering Information” on page
38.
Table 13-14 on page
”Bit 0 – IVCE: Interrupt Vector Change Enable” on page
85,
”Packaging Information” on page
355,
”Packaging Information” on page
9.
and
331,
Table 13-8 on page
Figure 28-32 on page 356,Figure 28-33 on page
Table 8-13 on page
Table 27-9 on page
ATmega164P/324P/644P
”Sleep Modes” on page
215.
91,
”Pinout - DRQFN” on page
60.
Table 27-1 on page 328,Table 27-2
”Alternate Functions of Port A” on
389.
421.
”Pinout - VFBGA” on page
85,
and
38.
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36,
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Table 13-10 on page
333, and
”ATmega644P DC Char-
Table 8-9 on page
424.
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425.
43.
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160.
Table 27-12 on
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