ATMEGA64RZAV-10MU Atmel, ATMEGA64RZAV-10MU Datasheet - Page 246
ATMEGA64RZAV-10MU
Manufacturer Part Number
ATMEGA64RZAV-10MU
Description
MCU ATMEGA644/AT86RF230 44-QFN
Manufacturer
Atmel
Series
ATMEGAr
Datasheets
1.ATMEGA644-20MU.pdf
(23 pages)
2.ATMEGA644-20MU.pdf
(376 pages)
3.AT86RF230-ZU.pdf
(98 pages)
Specifications of ATMEGA64RZAV-10MU
Frequency
2.4GHz
Modulation Or Protocol
802.15.4 Zigbee
Power - Output
3dBm
Sensitivity
-101dBm
Voltage - Supply
1.8 V ~ 3.6 V
Data Interface
PCB, Surface Mount
Memory Size
64kB Flash, 2kB EEPROM, 4kB RAM
Antenna Connector
PCB, Surface Mount
Package / Case
44-VFQFN Exposed Pad
Wireless Frequency
2.4 GHz
Interface Type
JTAG, SPI
Output Power
3 dBm
For Use With
ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFP770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Applications
-
Data Rate - Maximum
-
Current - Transmitting
-
Current - Receiving
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega64
- Current page: 246 of 376
- Download datasheet (8Mb)
21.8
246
ADC Conversion Result
ATmega644
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 21-3 on page 248
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 results, it is sufficient to read the MSB of the result
(ADC9 in ADCH). If this bit is one, the result is negative, and if this bit is zero, the result is posi-
tive.
Table 21-2
is selected with a gain of GAIN and a reference voltage of V
Figure 21-14
IN
POS
is the voltage on the selected input pin and V
shows the resulting output codes if the differential input channel pair (ADCn - ADCm)
is the voltage on the positive input pin, V
shows the decoding of the differential input range.
and
ADC
Table 21-4 on page
=
(
----------------------------------------------------------------------- -
V
ADC
POS
REF
the selected voltage reference. The result is presented
–
=
V
NEG
V
--------------------------
V
IN
REF
V
) GAIN 512
⋅
REF
⋅
1024
248). 0x000 represents analog ground, and
NEG
REF
⋅
the voltage on the negative input pin,
REF
the selected voltage reference (see
.
2593N–AVR–07/10
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