ata5428 ATMEL Corporation, ata5428 Datasheet - Page 5

• Manufacturer Part Number: ata5428
• Description: Uhf Ask/fsk Transceiver
• Manufacturer: ATMEL Corporation

4841D–WIRE–10/07
Table 1-1.
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
1
2
3
4
5
6
7
8
9
SDO_TMDO
DEM_OUT
433_N868
N_RESET
SDI_TMDI
PWR_ON
Pin Description
RF_OUT
RX_TX2
RX_TX1
Symbol
R_PWR
PWR_H
VSOUT
TEST1
TEST2
RF_IN
XTAL1
XTAL2
VSINT
CDEM
DVCC
AVCC
VAUX
RSSI
SCK
CLK
VS2
VS1
IRQ
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
CS
T5
ATA5423/ATA5425/ATA5428/ATA5429
Function
Not connected
Not connected
Not connected
RF input
Not connected
Selects RF input/output frequency range
Not connected
Resistor to adjust output power
Pin to select output power
RF output
Not connected
Not connected
Not connected
Not connected
Not connected
Blocking of the analog voltage supply
Power supply input for voltage range 4.4V to 6.6V
Power supply input for voltage range 2.4V to 3.6V
Auxiliary supply voltage input
Test input, at GND during operation
Blocking of the digital voltage supply
Output voltage power supply for external devices
Test input, at GND during operation
Reference crystal
Reference crystal
Not connected
Microcontroller interface supply voltage
Output pin to reset a connected microcontroller
Interrupt request
Clock output to connect a microcontroller
Serial data out/transparent mode data out
Serial data in/transparent mode data in
Serial clock
Demodulator open drain output signal
Chip select for serial interface
Output of the RSSI amplifier
Capacitor to adjust the lower cut
GND pin to decouple LNA in TX mode
Switch pin to decouple LNA in TX mode
Input to switch on the system (active high)
Key input 5 (can also be used to switch on the system (active low))
-
off frequency data filter
5