ATA5423-PLSW Atmel, ATA5423-PLSW Datasheet - Page 50
![IC TXRX ASK/FSK 315MHZ 48QFN](/photos/7/34/73471/48-vqfn-6_543-5130_01-4_sml.jpg)
ATA5423-PLSW
Manufacturer Part Number
ATA5423-PLSW
Description
IC TXRX ASK/FSK 315MHZ 48QFN
Manufacturer
Atmel
Specifications of ATA5423-PLSW
Frequency
315MHz
Data Rate - Maximum
20kbps
Modulation Or Protocol
ASK, FSK
Applications
Alarm, ISM, Telemetry
Power - Output
5dBm
Sensitivity
-112.5dBm
Voltage - Supply
2.4 V ~ 3.6 V or 4.4 V ~ 6.6 V
Current - Receiving
10.5mA
Current - Transmitting
10mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
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8.4
Figure 8-4.
8.5
8.6
8.7
50
Command: Write Control Register
Command: OFF Command
Command: Delete IRQ
Command Structure
ATA5423/ATA5425/ATA5428/ATA5429
SDO_TMDO
SDI_TMDI
Write Control Register
SCK
CS
Command: Write Control Register X
No. Bytes in the TX/RX Data Buffer
MSB
The control registers can be written individually or successively. An echo of the command and
the data bytes are provided for the microcontroller on pin SDO_TMDO.
If AVCC_EN in control register 1 is “0”, the input level on pin PWR_ON is low and on the key
inputs Tn is high, then the OFF command sets the transceiver in the OFF mode.
Figure 8-5.
The delete IRQ command sets pin IRQ to low.
Figure 8-6.
The three most significant bits of the command (bit 5 to bit 7) indicate the command type. Bit 0 to
bit 4 describe the target address when reading or writing a control or status register. In all other
commands bit 0 to bit 4 have no effect and should be set to “0” for compatibility with future
products.
OFF Command
Delete IRQ
LSB
MSB
Write Control Register X
Data Control Register X
SDO_TMDO
SDO_TMDO
SDI_TMDI
SDI_TMDI
SCK
SCK
CS
CS
LSB
No. Bytes in the TX/RX Data Buffer
No. Bytes in the TX/RX Data Buffer
MSB
MSB
Command: OFF Command
Command: Delete IRQ
Command: Write Control Register Y
MSB
Data Control Register X
LSB
LSB
LSB
4841D–WIRE–10/07
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