AT90CAN64-16AUR Atmel, AT90CAN64-16AUR Datasheet - Page 310

• Manufacturer Part Number: AT90CAN64-16AUR
• Description: MCU AVR 64K FLASH 16MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® 90CANr

Specifications of AT90CAN64-16AUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: CAN, EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 64KB (64K x 8)
• 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: 64-TQFP, 64-VQFP
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

23.6.6
Figure 23-10. Analog to Digital Converter
310
AT90CAN32/64/128
Scanning the ADC
NEGSEL_2
NEGSEL_1
NEGSEL_0
MUXEN_7
MUXEN_6
MUXEN_5
MUXEN_4
MUXEN_3
MUXEN_2
MUXEN_1
MUXEN_0
EXTCH
ADC_7
ADC_6
ADC_5
ADC_4
ADC_3
ADC_2
ADC_1
ADC_0
ADC_2
ADC_0
ADC_1
Figure 23-10
The Boundary-scan cell from
not be used for pure connectivity testing, since all analog inputs are shared with a digital port pin
as well.
The signals are described briefly in
SCTEST
AMPEN
ACLK
ST
G10
To Comparator
shows a block diagram of the ADC with all relevant control and observe signals.
+
-
10x
ADCBGEN
VCCREN
G20
IREFEN
AREF
Figure 23-9
PASSEN
+
-
20x
1.22V
GNDEN
ref
ACTEN
Table
2.56V
ref
23-7.
is attached to each of these signals. The ADC need
PRECH
DAC_9..0
ADCEN
HOLD
10-bit DAC
PRECH
AREF
+
-
DACOUT
COMP
7679H–CAN–08/08