ATMEGA64A-ANR Atmel, ATMEGA64A-ANR Datasheet - Page 270

• Manufacturer Part Number: ATMEGA64A-ANR
• Description: IC MCU AVR 64K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64A-ANR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8160C–AVR–07/09
Table 25-5.
Signal
Name
COMP
ACLK
ACTEN
ADCBGEN
ADCEN
AMPEN
DAC_9
DAC_8
DAC_7
DAC_6
DAC_5
DAC_4
DAC_3
DAC_2
DAC_1
DAC_0
EXTCH
G10
G20
Boundary-scan Signals for the ADC
Output
Input
Input
Input
Input
Input
Input
Input
Input
Direction
as Seen
from the
ADC
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Description
Comparator Output
Clock signal to gain
stages implemented
as Switch-cap filters
Enable path from gain
stages to the
Comparator
Enable Band-gap
reference as negative
input to Comparator
Power-on signal to the
ADC
Power-on signal to the
gain stages
Bit nine of digital value
to DAC
Bit eight of digital
value to DAC
Bit seven of digital
value to DAC
Bit six of digital value
to DAC
Bit five of digital value
to DAC
Bit four of digital value
to DAC
Bit three of digital
value to DAC
Bit two of digital value
to DAC
Bit 1 of digital value to
DAC
Bit 0 of digital value to
DAC
Connect ADC
channels 0 - 3 to
bypass path around
gain stages
Enable 10x gain
Enable 20x gain
(1)
Recommended
Input when not
in Use
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
Recommended Inputs
are Used, and CPU is
ATmega64A
Output Values when
not Using the ADC
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
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