ATMEGA256RZAV-8MU Atmel, ATMEGA256RZAV-8MU Datasheet - Page 288
ATMEGA256RZAV-8MU
Manufacturer Part Number
ATMEGA256RZAV-8MU
Description
MCU ATMEGA2561/AT86RF230 64-QFN
Manufacturer
Atmel
Series
ATMEGAr
Datasheets
1.ATMEGA640V-8CU.pdf
(38 pages)
2.ATMEGA640V-8CU.pdf
(444 pages)
3.AT86RF230-ZU.pdf
(98 pages)
Specifications of ATMEGA256RZAV-8MU
Frequency
2.4GHz
Modulation Or Protocol
802.15.4 Zigbee
Applications
ISM, ZigBee™
Power - Output
3dBm
Sensitivity
-101dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
15.5mA
Current - Transmitting
16.5mA
Data Interface
PCB, Surface Mount
Memory Size
256kB Flash, 4kB EEPROM, 8kB RAM
Antenna Connector
PCB, Surface Mount
Package / Case
64-QFN
Wireless Frequency
2.4 GHz
Interface Type
JTAG, SPI
Output Power
3 dBm
For Use With
ATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Data Rate - Maximum
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega256
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA256RZAV-8MU
Manufacturer:
Atmel
Quantity:
135
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25.7
2549M–AVR–09/10
ADC Conversion Result
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 25-3 on page 289
0x3FF represents the selected reference voltage minus one LSB.
If differential channels are used, the result is
where V
and V
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 positive.
ing of the differential input range.
Table 25-2 on page 289
(ADCn - ADCm) is selected with a gain of GAIN and a reference voltage of V
Figure 25-15. Differential Measurement Range
REF
IN
POS
the selected voltage reference. The result is presented in two’s complement form, from
is the voltage on the selected input pin and V
is the voltage on the positive input pin, V
- V
REF
and
shows the resulting output codes if the differential input channel pair
Table 25-4 on page
ATmega640/1280/1281/2560/2561
ADC
Output Code
0x3FF
ADC
0x1FF
0x000
0x200
=
(
---------------------------------------------------- -
0
=
V
POS
V
--------------------------
IN
V
–
⋅
REF
V
V
1024
290). 0x000 represents analog ground, and
REF
NEG
NEG
REF
) 512
⋅
the voltage on the negative input pin,
the selected voltage reference (see
Figure 25-15
V
REF
Differential Input
Voltage (Volts)
REF
shows the decod-
.
288
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