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

• Manufacturer Part Number: ATMEGA164P-20MCU
• Description: MCU AVR 16K FLASH 20MHZ 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA164P-20MCU

• 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-VQFN Exposed Pad
• For Use With: ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.8
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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
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LCD reference removed from table note in
Updated code example in
Removed reference to External Memory Interface in
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Updated overview in
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356
Updated notes in
and
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Table 13-11 on page
on page 328,Table 27-5 on page
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acteristics” on page
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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
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Table 13-14 on page
”Bit 0 – IVCE: Interrupt Vector Change Enable” on page
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”Packaging Information” on page
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”Packaging Information” on page
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and
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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
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91,
”Pinout - DRQFN” on page
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Table 27-1 on page 328,Table 27-2
”Alternate Functions of Port A” on
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”Pinout - VFBGA” on page
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Table 13-10 on page
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”ATmega644P DC Char-
Table 8-9 on page
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Table 27-12 on
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