AT90PWM1-16SU Atmel, AT90PWM1-16SU Datasheet - Page 192
![MCU AVR 8K FLASH 16MHZ 24-SOIC](/photos/6/70/67046/453-24-soic_sml.jpg)
AT90PWM1-16SU
Manufacturer Part Number
AT90PWM1-16SU
Description
MCU AVR 8K FLASH 16MHZ 24-SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM1-16SU.pdf
(297 pages)
Specifications of AT90PWM1-16SU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
19
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
24-SOIC (7.5mm Width)
Processor Series
AT90PWMx
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
19
Number Of Timers
2
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRFBKIT, ATAVRISP2
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 11 Channel
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90PWM1-16SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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19.7
192
ADC Conversion Result
AT90PWM1
Figure 19-13. Differential Non-linearity (DNL)
•
•
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 62 on page 194
represents the selected reference voltage.
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
Quantization Error: Due to the quantization of the input voltage into a finite number of codes,
a range of input voltages (1 LSB wide) will code to the same value. Always ± 0.5 LSB.
Absolute Accuracy: The maximum deviation of an actual (unadjusted) transition compared
to an ideal transition for any code. This is the compound effect of offset, gain error,
differential error, non-linearity, and quantization error. Ideal value: ± 0.5 LSB.
Figure 19-14
IN
POS
is the voltage on the selected input pin and V
is the voltage on the positive input pin, V
Output Code
shows the decoding of the differential input range.
0x000
0x3FF
and
0
Table 63 on page
1 LSB
ADC
REF
REF
ADC
=
the selected voltage reference. The result is presented
.
(
----------------------------------------------------------------------- -
V
=
POS
195). 0x000 represents analog ground, and 0x3FF
V
--------------------------
IN
V
–
⋅
REF
V
1023
NEG
NEG
V
REF
REF
) GAIN 512
⋅
the voltage on the negative input pin,
the selected voltage reference (see
⋅
V
REF
Input Voltage
4378C–AVR–09/08
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