ATMEGA169PV-8MCHR Atmel, ATMEGA169PV-8MCHR Datasheet - Page 227

• Manufacturer Part Number: ATMEGA169PV-8MCHR
• Description: MCU AVR 16KB FLASH 16MHZ 64QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA169PV-8MCHR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 54
• 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): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22.8
8018P–AVR–08/10
ADC Conversion Result
After the conversion is complete (ADIF is high), the conversion result can be found in the ADC
Result Registers (ADCL, ADCH).
For single ended conversion, the result is
where V
Table 22-3 on page 229
0x3FF represents the selected reference voltage minus one LSB.
Figure 22-14. Differential Measurement Range
IN
- V
is the voltage on the selected input pin and V
REF
and
Table 22-4 on page
ADC
Output Code
0x3FF
ADC
0x1FF
0x000
0x200
=
0
(
---------------------------------------------------- -
=
V
POS
V
--------------------------
IN
V
–
⋅
REF
V
V
1024
230). 0x000 represents analog ground, and
REF
NEG
REF
) 512
⋅
the selected voltage reference (see
ATmega169P
V
REF
Differential Input
Voltage (Volts)
227