ATR2406_06 Datasheet, PDF (3/25 Pages) ATMEL Corporation – Low-IF 2.4-GHz ISM Transceiver

ATR2406
Table 2-1.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Paddle
Pin Description
Symbol
Function
PU_REG
Power-up input for auxiliary regulator
REF_CLK
Reference frequency input
RSSI
Received signal strength indicator output
VS_IFD
Digital supply voltage
VS_IFA
Analog supply voltage for IF circuits
RX-CLOCK RX-CLOCK, if RX mode with clock recovery is active
IC
IREF
Internally connected. Connect to V_S if internal AUX regulator is not used
External resistor for band-gap reference
REG_CTRL Auxiliary voltage regulator control output
VREG
Auxiliary voltage regulator output
VS_REG
Auxiliary voltage regulator supply voltage
REG_DEC
Decoupling pin for VCO_REG
VREG_VCO VCO voltage regulator
VTUNE
VCO tuning voltage input
CP
Charge-pump output
VS_SYN
Synchronous supply voltage
VS_TRX
Transmitter receiver supply voltage
RX_IN2
Differential receiver input 2
RX_IN1
Differential receiver input 1
TX_OUT
TX driver amplifier output
RAMP_OUT Ramp generator output for PA power ramping
IC
Internally connected, do not connect on PCB
IC
Internally connected, do not connect on PCB
RX_ON
RX control input
TX_ON
TX control input
nOLE
Open loop enable input
PU_TRX
RX/TX/PLL/VCO power-up input
RX_DATA
RX data output
TX_DATA
TX data input
CLOCK
3-wire-bus: Clock input
DATA
3-wire-bus: Data input
ENABLE
3-wire-bus: Enable input
GND
Ground
3
4779L–ISM–09/06