ATR2406 Datasheet, PDF (3/20 Pages) ATMEL Corporation – LOW IF .4 GHZ ISM TRANSCEIVER

ATR2406 [Preliminary]
Pin Description
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
Symbol
PU_REG
REF_CLK
RSSI
VS_IFD
VS_IFA
RX-CLOCK
IC
IREF
REG_CTRL
VREG
VS_REG
REG_DEC
VREG_VCO
VTUNE
CP
VS_SYN
VS_TRX
RX_IN2
RX_IN1
TX_OUT
RAMP_OUT
IC
IC
RX_ON
TX_ON
nOLE
PU_TRX
RX_DATA
TX_DATA
CLOCK
DATA
ENABLE
GND
Function
Power-up input for auxiliary regulator
Reference frequency input
Received signal strength indicator output
Digital supply voltage
Analog supply voltage for IF circuits
RX-CLOCK, if RX mode with clock recovery is active
Internal connected, do not connect on PCB
External resistor for band-gap reference
Auxiliary voltage regulator control output
Auxiliary voltage regulator output
Auxiliary voltage regulator supply voltage
Decoupling pin for VCO_REG
VCO voltage regulator
VCO tuning voltage input
Charge-pump output
Synchronous supply voltage
Transmitter receiver supply voltage
Differential receiver input 2
Differential receiver input 1
TX driver amplifier output
Ramp generator output for PA power ramping
Internal connected, do not connect on PCB
Internal connected, do not connect on PCB
RX control input
TX control input
Open loop enable input
RX/TX/PLL/VCO power-up input
RX data output
TX data input
3-wire-bus: Clock input
3-wire-bus: Data input
3-wire-bus: Enable input
Ground
3
4779F–ISM–09/04