ATMEGA128A-MN Atmel, ATMEGA128A-MN Datasheet - Page 237
ATMEGA128A-MN
Manufacturer Part Number
ATMEGA128A-MN
Description
IC MCU AVR 128K FLASH 64VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA128A-MN
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K 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
64-TQFP
Core
AVR8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Figure 23-3. ADC Timing Diagram, First Conversion (Single Conversion Mode)
Figure 23-4. ADC Timing Diagram, Single Conversion
Figure 23-5. ADC Timing Diagram, Free Running Conversion
Cycle Number
ADC Clock
ADSC
ADIF
ADCH
ADCL
Cycle Number
ADC Clock
ADEN
ADSC
ADIF
ADCH
ADCL
Cycle Number
ADC Clock
ADSC
ADIF
ADCH
ADCL
1
1
2
MUX and REFS
Update
2
MUX and REFS
Update
Conversion
Complete
12
3
One Conversion
13
Sample & Hold
11
4
14
5
12
15
6
Sample &Hold
16
13
First Conversion
7
17
One Conversion
Next Conversion
1
18
8
MSB of Result
LSB of Result
19
9
2
MUX and REFS
Update
20
Conversion
10
Complete
21
3
11
Conversion
22
Complete
Sample & Hold
4
12
23
ATmega128A
24
13
25
MSB of Result
MSB of Result
LSB of Result
Next Conversion
1
MUX and REFS
Update
Next
Conversion
MUX and REFS
Update
1
LSB of Result
2
2
3
3
237
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