Datasheet

389
8272A–AVR–01/10
164A/164PA/324A/324PA/644A/644PA/1284/1284P
Figure 28-88. ATmega164PA: Calibrated 8 MHz RC Oscillator vs. Temperature
Figure 28-89. ATmega164PA: Calibrated 8 MHz RC Oscillator vs. OSCCAL Value
5.0 V
3.0 V
7.7
7.8
7.9
8
8.1
8.2
8.3
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 8090
Temperature (°C)
F
RC
(MHz)
85 °C
25 °C
-40 °C
0
2
4
6
8
10
12
14
16
0 163248 64 8096112128 144 160 176 192 208 224 240 256
OSCCAL (X1)
F
RC
(MHz)