Pin description – Rainbow Electronics ATA5812 User Manual
Page 3
3
ATA5811/ATA5812 [Preliminary]
4689B–RKE–04/04
Figure 2. Pinning
QFN48
Pin Description
Pin
Symbol
Function
1
NC
Not connected
2
NC
Not connected
3
NC
Not connected
4
RF_IN
RF input
5
NC
Not connected
6
433_N868
Selects RF input/output frequency range
7
NC
Not connected
8
R_PWR
Resistor to adjust output power
9
PWR_H
Pin to select output power
10
RF_OUT
RF output
11
NC
Not connected
12
NC
Not connected
13
NC
Not connected
14
NC
Not connected
15
NC
Not connected
16
AVCC
Blocking of the analog voltage supply
17
VS2
Power supply input for voltage range 4.4 V to 6.6 V
18
VS1
Power supply input for voltage range 2.4 V to 3.6 V
NC
NC
NC
RF_IN
NC
433_N868
NC
R_PWR
PWR_H
RF_OUT
NC
NC
RSSI
CS
DEM_OUT
SCK
SDI_TMDI
SDO_TMDO
CLK
IRQ
N_RESET
VSINT
NC
XTAL2
NC
NC
RX
_A
CT
IV
E
T1
T2
T3
T4
T5
PW
R
_
O
N
RX
_T
X
1
RX
_T
X
2
CDE
M
NC
NC
NC
AVC
C
VS2
VS1
VAU
X
TEST1
DV
CC
VSO
U
T
TEST2
XTAL
1
48 47 46 45 44 43 42 41 40 39 38 37
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
ATA5811/ATA5812