ATA5428-PLQW80 Atmel, ATA5428-PLQW80 Datasheet - Page 36
ATA5428-PLQW80
Manufacturer Part Number
ATA5428-PLQW80
Description
RF Transceiver ASK/FSK Transceiver 434 and 868MHz
Manufacturer
Atmel
Datasheet
1.ATAB5428-8-WB.pdf
(100 pages)
Specifications of ATA5428-PLQW80
Wireless Frequency
226 KHz, 237 KHz
Interface Type
4-Wire SPI
Noise Figure
7 dB
Output Power
10 dBm
Operating Supply Voltage
2.4 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN-48
Maximum Data Rate
20 Kbps
Minimum Operating Temperature
- 40 C
Modulation
ASK, FSK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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5.6
6. Microcontroller Interface
7. Digital Control Logic
7.1
36
2 Li Battery Application (6V)
Register Structure
ATA5423/ATA5425/ATA5428/ATA5429
The supply voltage range is 4.4V to 6.6V and VAUX is connected to an inductive supply.
Figure 5-6.
The microcontroller interface is a level converter which converts all internal digital signals that
are referred to the DVCC voltage into the voltage used by the microcontroller. Therefore, the pin
VSINT has to be connected to the supply voltage of the microcontroller.
This makes it possible to use the internal voltage regulator/switch at pin VSOUT as in
on page 7
to the supply voltage of the microcontroller as in
The configuration of the transceiver is stored in RAM cells. The RAM contains a 16
TX/RX data buffer and a 6
interface (CS, SCK, SDI_TMDI, SDO_TMDO).
The 1
The RAM and the status information are stored as long as the transceiver is in any active mode
(DVCC = VS1 or DVCC = V_REG2) and are lost when the transceiver switches to OFF mode
(DVCC =OFF).
8-bit status register is not part of the RAM and is readable via the 4-wire serial interface.
and
2 Li Battery Application (6V) with Inductive Emergency Supply
Figure 2-3 on page 9
RF Transceiver
Digital Control
ATA5423/ATA5425/
ATA5428/ATA5429
Logic
8-bit control register and is writable and readable via a 4-wire serial
SDO_TMDO
DEM_OUT
SDI_TMDI
NRESET
VSOUT
VSINT
AVCC
DVCC
VAUX
SCK
CLK
VS1
VS2
IRQ
CS
or to connect the microcontroller and the pin VSINT directly
Figure 2.2 on page
4.4V to 6.6V
VS
OUT
OUT
OUT
IN
IN
IN
IN
8.
ATmega
48/88/168
4841D–WIRE–10/07
Figure 2-1
8-bit
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