ATMEGA164P-20AQ Atmel, ATMEGA164P-20AQ Datasheet - Page 407

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

Specifications of ATMEGA164P-20AQ

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

8011O–AVR–07/10
Figure 26-131.Calibrated 8 MHz RC Oscillator vs. Temperature
Figure 26-132.Calibrated 8 MHz RC Oscillator vs. OSCCAL Value
8.3
8.2
8.1
7.9
7.8
7.7
7.6
7.5
16
14
12
10
8
8
6
4
2
0
-60
0
16
-40
32
48
-20
64
80
96
0
Temperature (°C)
112
OSCCAL (X1)
128
20
ATmega164P/324P/644P
144
160
40
176
192
60
208
224
80
240
5.0V
3.0V
256
100
-40°C
85°C
25°C
407