ATA5773-PXQW Atmel, ATA5773-PXQW Datasheet - Page 155
ATA5773-PXQW
Manufacturer Part Number
ATA5773-PXQW
Description
XMITTR UHF ASK/FSK 310MHZ 24VQFN
Manufacturer
Atmel
Datasheet
1.ATA5773-DK1.pdf
(219 pages)
Specifications of ATA5773-PXQW
Frequency
310MHz ~ 350MHz
Modulation Or Protocol
UHF
Power - Output
8dBm
Voltage - Supply
2 V ~ 4 V
Current - Transmitting
9.8mA
Data Interface
PCB, Surface Mount
Memory Size
4kB Flash, 256B EEPROM, 256B SRAM
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
24-VQFN Exposed Pad, 24-HVQFN, 24-SQFN, 24-DHVQFN
Processor Series
ATA5x
Core
AVR8
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
4 KB
Data Ram Size
256 B
Interface Type
SPI, USI
Maximum Clock Frequency
4 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 12 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Applications
-
Sensitivity
-
Data Rate - Maximum
-
Current - Receiving
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATA5773-PXQW
Manufacturer:
ATMEL
Quantity:
3 500
Part Number:
ATA5773-PXQW
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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4.20.10.2
9137E–RKE–12/10
ADCSRA – ADC Control and Status Register A
• Bit 7 – ADEN: ADC Enable
Writing this bit to one enables the ADC. By writing it to zero, the ADC is turned off. Turning the
ADC off while a conversion is in progress, will terminate this conversion.
• Bit 6 – ADSC: ADC Start Conversion
In Single Conversion mode, write this bit to one to start each conversion. In Free Running
mode, write this bit to one to start the first conversion. The first conversion after ADSC has
been written after the ADC has been enabled, or if ADSC is written at the same time as the
ADC is enabled, will take 25 ADC clock cycles instead of the normal 13. This first conversion
performs initialization of the ADC.
ADSC will read as one as long as a conversion is in progress. When the conversion is com-
plete, it returns to zero. Writing zero to this bit has no effect.
• Bit 5 – ADATE: ADC Auto Trigger Enable
When this bit is written to one, Auto Triggering of the ADC is enabled. The ADC will start a
conversion on a positive edge of the selected trigger signal. The trigger source is selected by
setting the ADC Trigger Select bits, ADTS in ADCSRB.
• Bit 4 – ADIF: ADC Interrupt Flag
This bit is set when an ADC conversion completes and the data registers are updated. The
ADC Conversion Complete Interrupt is executed if the ADIE bit and the I-bit in SREG are set.
ADIF is cleared by hardware when executing the corresponding interrupt handling vector.
Alternatively, ADIF is cleared by writing a logical one to the flag. Beware that if doing a
Read-Modify-Write on ADCSRA, a pending interrupt can be disabled. This also applies if the
SBI instruction is used.
• Bit 3 – ADIE: ADC Interrupt Enable
When this bit is written to one and the I-bit in SREG is set, the ADC Conversion Complete
Interrupt is activated.
• Bits 2:0 – ADPS2:0: ADC Prescaler Select Bits
These bits determine the division factor between the system clock frequency and the input
clock to the ADC.
Bit
0x06 (0x26)
Read/Write
Initial Value
ADEN
R/W
7
0
ADSC
R/W
6
0
ADATE
R/W
5
0
ADIF
R/W
4
0
ADIE
R/W
3
0
Atmel ATA5771/73/74
ADPS2
R/W
2
0
ADPS1
R/W
1
0
ADPS0
R/W
0
0
ADCSRA
155
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