ATMEGA164A-MCHR Atmel, ATMEGA164A-MCHR Datasheet - Page 518

• Manufacturer Part Number: ATMEGA164A-MCHR
• Description: IC MCU AVR 16K 20MHZ 44QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA164A-MCHR

• Package / Case: 44-VQFN Exposed Pad
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 20MHz
• Number Of I /o: 32
• Eeprom Size: 512 x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Program Memory Size: 16KB (16K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

28.7.11
8272A–AVR–01/10
Internal Oscillator Speed
Figure 28-331.ATmega1284: Watchdog Oscillator Frequency vs. Temperature
Figure 28-332.ATmega1284: Watchdog Oscillator Frequency vs. V
164A/164PA/324A/324PA/644A/644PA/1284/1284P
123
122
121
120
119
118
117
116
115
114
113
124
122
120
118
116
114
-40
2
-30
2.5
-20
-10
3
0
10
3.5
Temperature (°C)
20
V
CC
(V)
30
4
40
50
4.5
60
CC
70
5
80
5.5
90
-40 °C
2.7 V
3.3 V
4.0 V
5.5 V
25 °C
85 °C
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