AT90CAN128-16AI Atmel, AT90CAN128-16AI Datasheet - Page 285
AT90CAN128-16AI
Manufacturer Part Number
AT90CAN128-16AI
Description
IC MCU AVR FLASH 128K 64TQFP
Manufacturer
Atmel
Series
AVR® 90CANr
Specifications of AT90CAN128-16AI
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
128KB (128K x 8)
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, 64-VQFP
For Use With
ATDVK90CAN1 - KIT DEV FOR AT90CAN128 MCU
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90CAN128-16AI
Manufacturer:
ALTERA
Quantity:
101
Company:
Part Number:
AT90CAN128-16AI
Manufacturer:
ATMEL
Quantity:
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7679H–CAN–08/08
For single ended conversion, the result is:
where V
Table 21-3 on page 287
0x3FF represents the selected reference voltage minus one LSB.
If differential channels are used, the result is:
where V
GAIN the selected gain factor and V
in two’s complement form, from 0x200 (-512d) through 0x1FF (+511d). Note that if the user
wants to perform a quick polarity check of the result, it is sufficient to read the MSB of the result
(ADC9 in ADCH). If the bit is one, the result is negative, and if this bit is zero, the result is posi-
tive.
Table 82 shows the resulting output codes if the differential input channel pair (ADCn - ADCm) is
selected with a reference voltage of V
Figure 21-14. Differential Measurement Range
Figure 21-14
IN
POS
- V
is the voltage on the selected input pin and V
REF
is the voltage on the positive input pin, V
shows the decoding of the differential input range.
and
Table 21-4 on page
ADC
REF
Output Code
REF
0x3FF
ADC
=
the selected voltage reference. The result is presented
.
0x1FF
0x000
0x200
(
----------------------------------------------------------------------- -
V
=
POS
0
V
--------------------------
IN
V
–
⋅
REF
288). 0x000 represents analog ground, and
V
1023
NEG
NEG
V
REF
REF
) GAIN 512
⋅
the voltage on the negative input pin,
AT90CAN32/64/128
the selected voltage reference (see
⋅
V
REF
Differential Input
Voltage (Volts)
285
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