ATA5773-PXQW Atmel, ATA5773-PXQW Datasheet - Page 65
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:
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4.14.2.5
4.14.2.6
9137E–RKE–12/10
Digital Input Enable and Sleep Modes
Unconnected Pins
Note:
As shown in
input of the schmitt-trigger. The signal denoted SLEEP in the figure, is set by the MCU Sleep
Controller in Power-down mode, Power-save mode, and Standby mode to avoid high power
consumption if some input signals are left floating, or have an analog signal level close to
V
SLEEP is overridden for port pins enabled as external interrupt pins. If the external interrupt
request is not enabled, SLEEP is active also for these pins. SLEEP is also overridden by vari-
ous other alternate functions as described in
page
If a logic high level (“one”) is present on an asynchronous external interrupt pin configured as
“Interrupt on Rising Edge, Falling Edge, or Any Logic Change on Pin” while the external inter-
rupt is not enabled, the corresponding External Interrupt Flag will be set when resuming from
the above mentioned Sleep mode, as the clamping in these sleep mode produces the
requested logic change.
If some pins are unused, it is recommended to ensure that these pins have a defined level.
Even though most of the digital inputs are disabled in the deep sleep modes as described
above, floating inputs should be avoided to reduce current consumption in all other modes
where the digital inputs are enabled (Reset, Active mode and Idle mode).
The simplest method to ensure a defined level of an unused pin, is to enable the internal
pull-up. In this case, the pull-up will be disabled during reset. If low power consumption during
reset is important, it is recommended to use an external pull-up or pulldown. Connecting
unused pins directly to V
rents if the pin is accidentally configured as an output.
CC
/2.
66.
1. For the assembly program, two temporary registers are used to minimize the time from
pull-ups are set on pins 0, 1 and 4, until the direction bits are correctly set, defining bit 2 and
3 as low and redefining bits 0 and 1 as strong high drivers.
Figure 4-22 on page
CC
or GND is not recommended, since this may cause excessive cur-
61, the digital input signal can be clamped to ground at the
Section 4.14.3 “Alternate Port Functions” on
Atmel ATA5771/73/74
65
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