Rainbow Electronics ATmega3290P_V - Manual (Page 319)

319
ATmega329/3290/649/6490
2552H–AVR–11/06
Note: 1. Voltage difference between channels.
LCD Controller Characteristics – Preliminary Data – TBD
Calibrated Internal RC Oscillator Accuracy
Notes: 1. Voltage range for ATmega329V/3290V/649V/6490V.
2. Voltage range for ATmega329/3290/649/6490.
V
INT
Internal Voltage Reference 1.0 1.1 1.2 V
R
REF
Reference Input Resistance 32 k
Ω
R
AIN
Analog Input Resistance 100 M
Ω
Table 142. LCD Controller Characteristics
Symbol Parameter Condition Min Typ Max Units
I
LCD
LCD Driver Current Total for All COM and SEG pins TBD µA
R
LCD
LCD Driver Output Resistance Per COM or SEG pin TBD k
Ω
Table 141. ADC Characteristics (Continued)
Symbol Parameter Condition Min Typ Max Units
Table 143. Calibration Accuracy of Internal RC Oscillator
Frequency V
CC
Temperature Calibration Accuracy
Factory Calibration 8.0 MHz 3V 25
°C
±10%
User
Calibration
7.3 - 8.1 MHz
1.8V - 5.5V (1)
2.7V - 5.5V (2)
-40
°C - 85°C
±1%