ATAB5425-3-WB Atmel, ATAB5425-3-WB Datasheet - Page 36
ATAB5425-3-WB
Manufacturer Part Number
ATAB5425-3-WB
Description
KIT DEMO 345MHZ BLACKBIRD
Manufacturer
Atmel
Type
Transceiver, UHFr
Specifications of ATAB5425-3-WB
Frequency
345MHz
Product
RF Modules
For Use With/related Products
ATA5425
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATAB-5425-3-WB
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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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